Science on Mornings, on triple j
Dr Karl's famous triplej mission is to bring science to the peeps! Join host Zan Rowe, her guests, and a bunch of curious triplej listeners for a weekly injection of science, myth-bashing and answers!
Science on Mornings goes LIVE at 11:00AM Thursdays, Australian Eastern Standard Time.
You can listen to triplej over the web 24 hours a day.
Podcast
Recent episodes
The science of driving
Duration: 00:37:03; File size: 17MB 80kb Why do people get tired when driving? Is it possible to drive a fast car upside-down in a long, circular tunnel? Are your chances of surviving a car accident better if you are asleep and your body is limp?
Thursday, 29 March 2012
Rocking during sleep, morning sickness and coloured cat fur
Duration: 0:39:21; File size: 18MB 144kb Why do people rock from side-to-side when they sleep? Plus: are humans the only mammal that suffers morning sickness during pregnancy?; and why can cat fur have different colours along the length of each strand of hair?
Thursday, 22 March 2012
Peeing on lemon trees, hereditary birth marks and yellow sunglasses
Duration: 00:36:08; File size: 16MB 688kb Why is it considered a good thing to urinate on lemon trees? Plus: can birth marks be hereditary?; and why do yellow sunglasses make daylight appear brighter?
Thursday, 8 March 2012
Swallowing chewing gum, taste buds and drinking milk
Duration: 00:36:56; File size: 17MB 48kb What happens if you swallow chewing gum? Plus: can a woman's tastebuds change during and after pregnancy?; and can drinking milk cause osteoporosis?
Thursday, 1 March 2012
Exploding crockery, furry male allergies and female ejaculation test results
Duration: 00:37:26; File size: 17MB 960kb Why does crockery seem to randomly explode? Plus: Is it possible to be allergic to only male furry animals?; and a caller reports the results of his and his partner's female ejaculation tests.
Thursday, 23 February 2012
Sex, multiple orgasms and curing a morning glory
Duration: 00:38:23; File size: 17MB 720kb As part of triplej's 'sex week', Dr Karl and Zan Rowe take talkback questions ranging from female 'squirting' to male morning glories and having sex during pregnancy.
Thursday, 16 February 2012
Earbud headphones, jet-lag and funny trivial things
Duration: 00:39:08; File size: 18MB 48kb When using earbud-style headphones, why does the music's pitch seem lower when they're removed? Is there a way to reduce the effects of jet-lag?Why is it when you are extremely tired that trivial things seem very funny?
Thursday, 8 December 2011
Head spins, granite cookware and bullets fired in the air
Duration: 00:36:59; File size: 17MB 32kb Why does your head seem to spin when you lie down if drunk? What are the differences between various cookwares and are any types dangerous? What happens to bullets that are fired into the air?
Thursday, 1 December 2011
Celebrating 30 years of science talkback with Dr Karl
Duration: 00:39:46; File size: 18MB 288kb Previous 'Mornings' presenters drop by to share their favourite Dr Karl moments from the last 30 years on triplej. Plus: Karl's favourite organ; his first comments on radio re-enacted; and the five most-common science questions asked by listeners.
Thursday, 24 November 2011
Cannabis use and psychosis, with Dr Matthew Large
Duration: 00:38:52; File size: 17MB 944kb In a special triplej listener talkback, Zan Rowe and Dr Karl discuss the link between mental illness and marijuana use with psychiatrist Dr Matthew Large, from the University of New South Wales.
Thursday, 17 November 2011
Bad apples and the strange sounds our body can make
Duration: 00:36:38; File size: 16MB 896kb Does cold storage affect how food metabolises and germinates? Plus: why do some people's eyes squeak when they rub them?; and why can some people make their ears 'crack' when they press them?
Thursday, 10 November 2011
Do snipers consider the Coriolis effect?
Duration: 00:36:22; File size: 16MB 784kb Do snipers need to take in to account the Coriolis effect when taking a shot? Plus: what happens if you pee on an electric fence?; and can babies breathe underwater?
Thursday, 3 November 2011
Poltergeist phones and period cravings
Duration: 00:37:07; File size: 17MB 256kb Why do some mobile phones ring when they are switched off? And why do many women crave chocolate just before their periods?
Thursday, 27 October 2011
Frozen wasps, projecting black and foggy windscreens
Duration: 00:37:11; File size: 17MB 80kb Why do wasps survive being frozen? If black is a shade of light, then how does a projector recreate it? Why does cold air clear a foggy windscreen better than warm air?
Thursday, 20 October 2011
Blocking phone signals, vinegar-soothed sunburn and popping a yawn
Duration: 00:40:35; File size: 18MB 656kb Do microwave ovens block mobile phone reception? Will vinegar sooth sunburn? How can you 'pop' a yawn?
Thursday, 13 October 2011
Soft copper, blue tyres and compression pants
Duration: 0:37:48; File size: 17MB 416kb Can copper pipes be made hard again after they have been overheated then cooled? Why do new tyres sometimes leave a blue mark on the ground? Do sports compression shorts work?
Thursday, 22 September 2011
Farmer's tales, shaved-head hair, and quantum physics and God
Duration: 0:38:50; File size: 17MB 896kb What happens when fruit and vegetables cross-pollinate? Why does my hair appear to grow quicker now I shave my head? Does quantum physics imply the existence of a God?
Thursday, 15 September 2011
Clean scars, ear plugs and sobering exercise
Duration: 00:33:49; File size: 15MB 560kb Why don't scars get dirty the same way as the rest of your skin? Do noise-reducing ear plugs damage your ears if you wear them for too long? Can exercising after drinking alcohol help you sober up more quickly?
Thursday, 1 September 2011
Green tomatoes, vegans and static shock
Duration: 00:37:19; File size: 17MB 176kb How do you get green tomatoes to ripen quickly? Can people on a vegan diet receive the same amount of nutrients as meat-eaters? Can static shocks through headphones be dangerous?
Thursday, 25 August 2011
Itchy ankles, swelling cheeks and bellybutton fluff
Duration: 00:38:36; File size: 17MB 768kb Why do some people get itchy legs when they exercise? Plus: what causes some people's cheeks to swell and tingle while eating cheese? And why is bellybutton fluff always blue?
Thursday, 18 August 2011
Seeing spots, white rainbows and ghosts
Duration: 00:36:30; File size: 33MB 844kb Why do some people see thousands of tiny spots when they look up at the sky or a bright light? What causes a white rainbow? And is there any science to explain ghosts?
Thursday, 11 August 2011
Space special with NASA astronaut Dr Gregory Chamitoff
Duration: 00:39:56; File size: 18MB 736kb What's it like to live in space for 183 days? NASA astronaut Dr Gregory Chamitoff joins Dr Karl to answer all your space questions.
Thursday, 4 August 2011
Workout music and rumbling stomachs
Duration: 00:34:32; File size: 15MB 992kb Why do some people work harder at the gym when they listen to a favourite tune? Plus: why does your stomach rumble when you are hungry? And why do your hands tingle after an orgasm?
Thursday, 28 July 2011
Upset apples, brain capacity and caffeine sickness
Duration: 00:38:22; File size: 17MB 636kb Why does a bruised apple taste differently to an unbruised one? Plus: is it possible to evaluate the capacity of the brain in gigabytes? And why does caffeine make you feel sick in the stomach?
Thursday, 21 July 2011
Sunburnt nipples and global warming
Duration: 00:34:49; File size: 16MB 360kb Why doesn't the skin around nipples get sunburnt? Would global warming interrupt the Atlantic conveyer current and cause an ice age in the northern hemisphere?
Thursday, 14 July 2011
Unmoving escalators, circumnavigating ash clouds and orange oranges
Duration: 00:37:28; File size: 17MB 240kb Why does it feel unusual when walking on a stationary escalator? Plus: why did the recent Chilean volcano ash cloud travel in the opposite direction to the prevailing winds? And why are oranges orange?
Thursday, 7 July 2011
Chilli heat, breasts and volcanic lightning
Duration: 0:36:56; File size: 16MB 1008kb Why does chilli make your nose and throat itch? Plus: why are men so attracted to women's breasts?; and why is there sometimes lightning activity in volcanic ash clouds?
Thursday, 23 June 2011
'Winter hair', tickling and lunar eclipses
Duration: 0:37:08; File size: 17MB 80kb Does hair grow thicker during winter? Plus: Why is being tickled both pleasant and unpleasant at the same time?; and Dr Karl chats about this morning's lunar eclipse.
Thursday, 16 June 2011
Orgasms, biscuit dunking and billowing shower curtains
Duration: 0:37:04; File size: 18MB 16kb Is the female orgasm a sympathetic or parasympathetic nervous reaction? Plus: why do dunked biscuits soak up less milk when chocolate-flavoured additives are included with the milk; and why do shower curtains billow more when the water runs cold than hot?
Thursday, 9 June 2011
Horse whistlers, wee tricks and giant antennas
Duration: 00:37:04; File size: 16MB 1012kb Why do horses pee when you whistle? Can you make people wee by whistling? And why would an antenna pick up signals from different radio stations at different times of the day?
Thursday, 2 June 2011
Hermaphrodite leeches, black eyes and chewing gum
Duration: 0:39:32; File size: 18MB 176kb Can leeches be used to heal black eyes and bruises? And why does chewing gum make some people hungry?
Thursday, 26 May 2011
Migraines, planes and who's denying climate change
Duration: 00:36:49; File size: 16MB 960kb All about migraines. Plus, can aircraft be suspended in air by the wind?; and special guest Naomi Oreskes, author of 'Merchants of Doubt', discusses climate-change denial.
Thursday, 19 May 2011
Sleep deprivation, bleach-addicted cats and farting dogs, with Sam Simmons
Duration: 38:06; File size: 17MB 544kb Triplej announcer Sam Simmons attempts to stay on air 24-hours continuously. Plus: why are some cats attracted to bleach?; and why do dogs sometimes fart when they're nervous?
Thursday, 12 May 2011
Runny noses, shooting bullets and howling at the moon
Duration: 00:37:08; File size: 17MB 80kb Why do some people's noses start running after a large meal? Plus: if a bullet was shot directly up in to the air in a windless environment, where would it land?; and can a full moon affect human behaviour?
Thursday, 5 May 2011
Insects, salt and wind
Duration: 00:36:55; File size: 16MB 992kb Why does sprinkling salt on an insect that's been underwater bring it back to life? Plus: Why is the ocean salty? Why can you feel a gust of wind, but you can't see it?
Thursday, 28 April 2011
Sighs, drying dishwashers and multiple choices
Duration: 00:38:12; File size: 17MB 584kb Why do people sigh? Plus: Do dishes dry faster in a dishwasher with the door open or closed?; and why are there always four options in multiple-choice question quizzes?
Thursday, 21 April 2011
Earthquakes, aftershocks and hiccups
Duration: 0:38:45; File size: 17MB 848kb What's the difference between an earthquake and aftershock? Plus: why can eating a raw carrot cause hiccups?
Thursday, 14 April 2011
Sunburnt skin, fire-resistant soap and dancing dogs
Duration: 0:36:49; File size: 16MB 944kb Can sunburnt skin absorb water better than normal skin? Plus: is soap fire-resistant?; and why don't dogs dance?
Thursday, 7 April 2011
Radiation special, with Professor Dale Bailey
Duration: 0:39:41; File size: 19MB 912kb University of Sydney professor and nuclear medicine physicist, Dr Dale Bailey, joins Dr Karl and Zan Rowe to answer your radiation questions.
Thursday, 31 March 2011
Alternative nuclear energy, saliva and screwdrivers
Duration: 0:40:41; File size: 18MB 704kb What are thorium nuclear reactors? Plus: Can you stop a mozzie bite itching by putting saliva on it?; and can the length of the shank of a screwdriver affect its torque?
Thursday, 24 March 2011
Earthquakes, radiation and the Japanese nuclear crisis
Duration: 0:40:14; File size: 19MB 800kb How will the Japanese nuclear 'leaks' affect nearby sea life? Plus: what is radiation and how does it affect our body?; and how much energy would it take to cause a large earthquake?
Thursday, 17 March 2011
Is soup a food or drink?
Duration: 0:37:41; File size: 17MB 304kb It may be liquid, but is soup food? Plus: is Earth getting heavier?; and can your genes determine your personality?
Thursday, 10 March 2011
Space: shuttles, elevators and travel
Duration: 00:19:44; File size: 9MB 112kb Dr Karl jets off to Cape Canaveral for a space shuttle launch. Plus: how do space elevators work?; and what is the possibility of humanity travelling beyond our solar system?
Thursday, 24 February 2011
Nipples, tonsils and quantum computers
Duration: 00:38:56; File size: 17MB 896kb Why do some people have extra nipples and can men lactate? Plus: Do cola drinks soothe sore throats and tonsillitis?; and how do quantum computers work?
Thursday, 17 February 2011
Zero tides, man smell and stale bread
Duration: 00:35:54; File size: 16MB 480kb What is a 'zero tide'? Plus: can some men's pheromones linger on objects to the point that they can transfer to your skin?; and why does bread go hard when stale, but biscuits go soft?
Thursday, 10 February 2011
Cyclones, salt and car tyres
Duration: 00:37:35; File size: 17MB 256kb Why do cyclones only dump fresh-water rain given they form over salt water? Plus: Why does the pressure of car tyres decrease after a cyclone?; and what is the difference between a cyclone and a hurricane?
Thursday, 3 February 2011
Body temperature, blocked noses and itchy bites
Duration: 00:38:39; File size: 17MB 768kb Why does some people's body temperature get higher at night? Plus: why do we get blocked noses when we get sick?; and why are some insect bites itchy?
Thursday, 2 December 2010
Sceptics, energy fields and busting myths, with skeptoid.com's Brian Dunning
Duration: 00:38:56; File size: 17MB 928kb Can 'energy fields' be transferred between people?; does cooking food remove its nutrients?; and why does beer taste differently when outdoors?
Thursday, 25 November 2010
9-11, UFOs and military conspiracies, with Dr David Finkleman
Duration: 00:37:21; File size: 17MB 160kb What 9-11 was like from within the North American Aerospace Defense Command. Plus: collecting statistics of UFO sightings; secret scramjets; and what's on the dark side of the Moon.
Thursday, 18 November 2010
Mirages, tasty sex and shrinking stomachs
Duration: 00:38:16; File size: 17MB 592kb Why do we see mirages when it's hot? Plus: can different foods change the taste of people's ejeculate?; and can you shrink or stretch your stomach?
Thursday, 11 November 2010
Fish out of water, maturing crops and bird poo
Duration: 00:38:24; File size: 17MB 666kb Why can't fish survive out of water? Plus: does rain help crops come to maturity quicker than when it's dry?; and why is bird poo white?
Thursday, 4 November 2010
Sunscreen, psychosis and concentration
Duration: 00:37:57; File size: 17MB 512kb Will you absorb vitamin D from sunlight if you wear sunscreen? Plus: what happens during drug-induced psychosis?; and why does focused concentration make you physically tired?
Thursday, 28 October 2010
Your brain on music, with Daniel Levitin
Duration: 00:38:28; File size: 18MB 16kb Why do we have such strong reactions to music? Plus: how does music affect our mood, health and wellbeing?; and why do we want to dance when we hear music?
Thursday, 21 October 2010
Jet streams, killer pain and warm-weather wifi
Duration: 00:36:18; File size: 16MB 672kb Can jet streams turn into clouds? Plus: can someone die from pain?; and why do wifi signals work better in warm, dry weather?
Thursday, 14 October 2010
Goosebumps, orgasms and death
Duration: 00:36:53; File size: 17MB 256kb Why do you get goosebumps when frightened? Plus: does a foetus receive endorphins when it's mother orgasms?; and how environmentally sustainable is death?
Thursday, 30 September 2010
Absinthe, alcohol and antibiotics
Duration: 00:34:44; File size: 15MB 976kb Does absinth and Wormwood make you hallucinate? And can you drink alcohol when taking prescription antibiotics?
Thursday, 23 September 2010
Ice-cream headaches, hair and eye shape
Duration: 00:36:36; File size: 16MB 928kb What causes 'ice cream' headaches? Plus: will shaving cause us to become hairless?; how can eye shape affect the way you read?; and why do smoke detectors have radioactive material in them?
Thursday, 16 September 2010
Space elevators, black holes and time travel
Duration: 00:38:07; File size: 17MB 608kb The science of space, with Dr Alastair Reynolds. Plus: how does broadband go faster?; why can't nuclear waste be shot in to the Sun?; and what happens when black holes merge?
Thursday, 9 September 2010
Inertia, apnoea and debt: the science of sleep
Duration: 00:39:09; File size: 18MB 16kb The mysteries of sleep are explored, with sleep researcher Dr Shaun Williams. Plus: how do we fall asleep?; what is sleep inertia and sleep apnoea?; and what is sleep debt?
Thursday, 19 August 2010
Charges, cuts and stitches
Duration: 00:38:44; File size: 17MB 832kb Why do rechargeable batteries need to be run fully flat? Plus: why do shaving cuts bleed more than normally?; and what is runner's 'stitch'?
Thursday, 12 August 2010
High high in the sky
Duration: 00:36:27; File size: 16MB 763kb What colour is the Sun? Plus: Do your eyes or brain make you colour-blind? Can someone parachuting break the sound barrier? How much light is lost when transmitting through fibre-optic cables?
Thursday, 5 August 2010
Deodorant dilemmas and adopting diesel
Duration: 00:38:29; File size: 17MB 768kb Is deodorant bad for you and why does it stop you from smelling? If diesel is used in trucks, why is it not used in cars? Can plasma screens accelerate growth in plants?
Thursday, 29 July 2010
Animal accents and sweet sugar
Duration: 00:38:01; File size: 17MB 459kb Do animals in different countries have different accents? What's the difference between white and brown sugar? If Jupiter is a gas planet, why can we see the impact of meteorites on its surface?
Thursday, 22 July 2010
Fluoro tattoos and ultrasonic toothbrushes
Duration: 00:38:48; File size: 17MB 783kb Are there fluorescent ink tattoos that can only be seen under black light? What are ultrasonic toothbrushes and do they work? Why does it get colder as the sun rises?
Thursday, 15 July 2010
Tired eyes and bush fires
Duration: 00:38:11; File size: 8MB 992kb Why do we get bags under our eyes when we are tired? Can you use salt water to put out bush fires? Can second-hand smoke cause heart disease?
Thursday, 8 July 2010
Magnetic metals and tattoo theories
Duration: 00:37:07; File size: 16MB 1016kb Why are some metals magnetic and other metals are not? Does tattooed skin act as a barrier for skin cancer? Why isn't Pluto a planet anymore?
Thursday, 1 July 2010
Acid rain and light dimmers
Duration: 00:37:28; File size: 17MB 195kb How much acid rain falls in Australia? Does dimming the lights in your house save energy? What is Murphy's Law and where does it come from?
Thursday, 24 June 2010
Shooting star sounds and spider web sparks
Duration: 00:37:16; File size: 17MB 106kb Can you hear a shooting star? Do spider webs conduct electricity? Does the old wives' tale of deaths coming in threes have any scientific basis?
Thursday, 17 June 2010
Slumber senses and remembering dreams
Duration: 00:38:07; File size: 17MB 536kb Does your sense of smell work when you are sleeping? Can you train yourself to remember your dreams? How many alcoholic drinks does it take before you damage your brain cells?
Thursday, 10 June 2010
Train your brain and 3D TVs
Duration: 00:33:55; File size: 16MB 960kb Can you increase your memory by training your brain? Why do you need glasses to watch 3D TVs? Are our eyeballs fully grown when we are born?
Thursday, 3 June 2010
Venomous spider bites and muscle cramp myths
Duration: 00:36:21; File size: 16MB 929kb If you receive antivenom for a spider bite are you immune from future venomous spider bites? Can throat lozenges make your throat worse? What causes muscle cramps?
Thursday, 27 May 2010
Skin burns and burning energy
Duration: 00:37:01; File size: 16MB 1010kb Do you burn more energy walking up or down a hill? Are there any side effects from using too much sunscreen? Is it harder to swim in fresh or salt water?
Thursday, 20 May 2010
Energy efficiency and cracking knuckles
Duration: 00:40:07; File size: 18MB 414kb Will a shadow cast on a solar panel reduce its efficiency? Is it possible to harness energy through compost? Which renewable resources are most effective in Australia? Is cracking your knuckles bad for you?
Thursday, 13 May 2010
Green carrot cake bake-off and 3D shadows
Duration: 00:36:50; File size: 16MB 918kb Why does carrot cake turn green? Would you cast a 3D shadow if you lived in a 4D world? Can you overcome ticklishness? Would you float at the centre of the Earth if you could dig a hole that far?
Thursday, 6 May 2010
Brain control and TV reception
Duration: 00:37:30; File size: 17MB 208kb Can you overwrite a section of your brain? Why does the reception improve when you stand close to your TV? Can you absorb caffeine through your skin?
Thursday, 29 April 2010
Vicious volcanoes and vitamins
Duration: 00:37:52; File size: 17MB 377kb What caused the lightning over the Eyjafjallajokull volcano? Does taking a daily multi-vitamin keep you healthy? Would an electronic music device weigh more if it was full of music?
Thursday, 22 April 2010
Easing itchiness and waterproof chocolate
Duration: 00:38:10; File size: 17MB 525kb Why does hot water ease itchiness? Is chocolate waterproof? Does shining a light on the back of your knee reset your body clock?
Thursday, 15 April 2010
One-way glass wonders and sticker scams
Duration: 00:36:00; File size: 16MB 872kb How does one-way glass work and can it be used to trap light? Do mobile phone anti-radiation stickers really work? How do trees know that it's time to lose their leaves in autumn?
Thursday, 8 April 2010
Vivid voices and special scales
Duration: 00:37:50; File size: 17MB 367kb If you hear a voice in your head, can your middle ear detect the sound? Do scales measuring your fat and bone density actually work? Is it scientifically possible to choose the sex of your baby?
Thursday, 1 April 2010
Colourful clouds and cold headaches
Duration: 00:34:46; File size: 15MB 976kb Why do clouds turn green before it hails? Why do we get headaches when we eat or drink something cold? And what are the squiggly lines that appear on your eyeball?
Thursday, 25 March 2010
Ringing eardrums and insect conundrums
Duration: 00:33:09; File size: 15MB 221kb Why do your ears ring after hearing loud music? Do ants know when it's going to rain? How many times can a mosquito bite you? And can you break your penis?
Thursday, 18 March 2010
Weight-gain gum and glowing bones
Duration: 00:36:56; File size: 16MB 965kb Does chewing gum make you put on weight? What happens to your brain when you have a thought? Are there any sure-fire ways of winning money, and glow-in-the-dark chicken bones!
Thursday, 11 March 2010
Fruit verses vegies and sensitive senses
Duration: 00:34:00; File size: 15MB 778kb What is the difference between a fruit and a vegetable? Are your senses heightened in the dark? Why does your stomach grumble? Did the recent earthquake change time?
Thursday, 4 March 2010
Time travel and bad bananas
Duration: 00:36:47; File size: 16MB 901kb Could you go back in time if you travel fast enough? Why do bruised bananas taste bad? Are straight lines really straight?
Thursday, 25 February 2010
Olympic flames and winter games
Duration: 00:36:53; File size: 16MB 940kb Why doesn't the Olympic flame cast a shadow? If you weigh more will you go faster on the luge? Does burning dried cattle poo keep the flies away?
Thursday, 18 February 2010
Blue blood and vampires
Duration: 00:35:53; File size: 16MB 472kb Would your blood turn blue if you cut yourself in an oxygen-free environment? Can people crave blood and be sensitive to sunlight just like vampires? Would an astronaut explode if they took their helmet off in outer space?
Thursday, 11 February 2010
Swearing and seeing stars
Duration: 00:37:52; File size: 17MB 381kb Why doesn't it hurt as much when you swear? Can you see stars during daytime if you are down a deep well? Can low frequency sounds damage your hearing?
Thursday, 4 February 2010
Extraterrestrial fire and balancing bands
Duration: 00:35:48; File size: 16MB 435kb How does fire behave in space? Can you see the whites of animals' eyes? And do holographic wristbands improve your balance?
Thursday, 28 January 2010
Bouncing berries and naming boogers
Duration: 00:38:34; File size: 17MB 709kb Why do raisins in a glass of champagne bob up and down? Why do I weigh less in the morning than I did the night before? And what's the scientific name for a booger?
Thursday, 21 January 2010
Catching rays and losing warts
Duration: 00:35:16; File size: 16MB 152kb Can you be exposed to more radiation on a long plane flight than you would get from having a CT scan? How do warts grow and how do you get rid of them?
Thursday, 3 December 2009
Pee in the pool and spinning sperm
Duration: 00:38:46; File size: 17MB 816kb Can pee in pool water make your eyes sting? Is it possible to spin yourself fast enough to separate male and female sperm? And why is the moon bigger on the horizon than in the sky?
Thursday, 26 November 2009
Dry lightning and deja vu
Duration: 00:37:22; File size: 17MB 143kb What is dry lightning? Is there a scientific explanation for deja vu? Can hot tea cool you down in hot weather? And could a fart cast a shadow?
Thursday, 19 November 2009
Farts in baths and musical heartbeats
Duration: 00:37:24; File size: 17MB 168kb Why do farts smell worse in the bath? Why does my heartbeat change to the beat of the music? And without oxygen can things still explode in space?
Thursday, 12 November 2009
Space screams and surfing feeds
Duration: 00:38:26; File size: 17MB 649kb Is it true you can't hear a scream in space? Can eating burnt toast give you cancer? And is it better for my metabolism if I eat before or after I go surfing?
Thursday, 5 November 2009
Water, wormholes and freezing cheese
Duration: 00:37:20; File size: 17MB 134kb Why does hot water in the shower taste different to water out of the tap? Does a wormhole take more energy to create than is available in the universe? And can you freeze cheese?
Thursday, 29 October 2009
Runaway rubber and stunted gym junkies
Duration: 00:35:41; File size: 16MB 345kb Where does all the rubber you lose from your tyres go? If you start working out at a young age will it stunt your growth? And is there alcohol in sweets?
Thursday, 22 October 2009
Bug baby and mobile mysteries
Duration: 00:39:40; File size: 18MB 45kb Can flying ants give birth to live young? Why can I get mobile phone coverage at a gig when the band is playing and not when it stops? Why does my brain hurt if it doesn't have pain receptors?
Thursday, 15 October 2009
Romantic reproduction and rutty roads
Duration: 00:36:12; File size: 16MB 629kb Does the mood a couple are in when having sex to conceive a child have any effect on the personality of the resulting child? And what causes corrugations to form on dirt roads?
Thursday, 8 October 2009
Wee, water and weighty wind
Duration: 00:36:01; File size: 16MB 539kb Why do we get an urge to wee when we hear the sound of running water? How did water come to be on Earth? And do you lose weight when you pass wind?
Thursday, 1 October 2009
Dr Karl gets dusty in the name of science
Duration: 00:46:55; File size: 21MB 532kb Why did the sun appear blue in the dust storm yesterday? What causes the white marks you can get on your fingernails? How can women who haven't given birth lactate? And can you smell danger?
Thursday, 24 September 2009
Stainless steel soap, sunburn and synaesthesia
Duration: 00:39:11; File size: 17MB 963kb How does stainless steel soap work? Can animals get sunburn and skin cancer? Who invented the concept of time? And why do you see different colours and shapes when you close your eyes?
Thursday, 17 September 2009
Speedy spacecraft and eating dirt
Duration: 00:40:25; File size: 18MB 517kb Could my child love eating dirt because of an iron deficiency? Why do spacecraft re-enter the atmosphere so fast? And why do the mushrooms in my paddocks grow in big circles?
Thursday, 10 September 2009
Lumpy tattoos and tiger allergies
Duration: 00:36:01; File size: 16MB 541kb Why do tattoos become lumpy when the weather changes? If you were allergic to cats would you also be allergic to lions and tigers? Can the image resolution of a digital camera beat the human eye?
Thursday, 3 September 2009
Seeing red and heavy sleepers
Duration: 00:34:57; File size: 16MB 44kb Why do you vomit when you overexercise? Can we create AC electricity from sunlight? Do you actually see red when you're angry? And why do people feel heavier when they're asleep?
Thursday, 27 August 2009
Dr Karl and Fred Watson celebrate National Science Week
Duration: 00:38:00; File size: 17MB 819kb What causes bags under your eyes? Does using sunscreen reduce your body's ability to produce Vitamin D? And what is a shooting star and why does it shoot?
Thursday, 20 August 2009
Hoaxes, human skeletons and hermaphrodites
Duration: 00:35:07; File size: 16MB 120kb Dr Karl debunks some persistent internet hoaxes. Plus: How are scientists able to reconstruct what a person looked like from only their skeleton? And how does hermaphroditism occur?
Thursday, 13 August 2009
Dr Karl talks stars, shadows and baby pelicans
Duration: 00:38:12; File size: 17MB 544kb What is the Big Aussie Star Hunt? During the bushfires why did shadows have a light blue tinge? Why are flies so attracted to humans? And where do baby pelicans live?
Thursday, 6 August 2009
Shocking science and Guinness world records
Duration: 00:37:20; File size: 17MB 131kb What would happen if you got stuck in an electric fence? Why do Perth and Melbourne have such different climates although they are at similar latitudes? Why do some people have a heightened sense of smell when they exercise?
Thursday, 30 July 2009
Dr Karl looks for aliens with Jill Tarter
Duration: 00:34:59; File size: 16MB 60kb How does SETI@home work? Would technologically advanced alien civilisations share similar emotional and psychological traits to us? How did an African tribe know Sirius had a companion star centuries before astronomers? And what's the best picture of aliens you've ever seen?
Thursday, 23 July 2009
Dr Karl explores the universe with Simon Singh
Duration: 00:42:05; File size: 19MB 313kb What happens if you remove an electron from an atom? Is anything in the physical world truly random? What caused the Big Bang? How do you measure distance in space and would a corpse decompose on the moon?
Thursday, 16 July 2009
Dr Karl ponders with the public on triplej
Duration: 00:24:02; File size: 11MB 43kb Do springs get affected by tides? Why is it colder just before dawn? Sound in air races sound travelling via an electric cable, and sunburn faces off against osteoporosis.
Thursday, 9 July 2009
Men, mobiles and Min Min lights
Duration: 00:40:24; File size: 18MB 549kb Will humans need to become mechanised? And myths about men, mobiles and Min Min lights.
Thursday, 2 July 2009
Dr Karl answers some itchy questions
Duration: 00:39:29; File size: 18MB 118kb Why does back scratching feel so good? Also: Can you recharge your mobile by sending an SMS? Is urinating on tomato plants good for them? And do tides occur in salt lakes?
Thursday, 25 June 2009
Dr Karl and heads in jars
Duration: 00:40:08; File size: 18MB 426kb Could a head survive without its body? Also: Why don't sharks eat the other fish in aquariums? Could a double-yolked egg give rise to twin chicks? And why do we make silly faces when we're exercising?
Thursday, 18 June 2009
Salivating science with Dr Karl
Duration: 00:37:27; File size: 17MB 187kb What's so hot about a toasted sandwich? Also: Why do we shiver? How painful is pain? And why are galaxies galactic-shaped?
Thursday, 11 June 2009
Dr Karl talks quantum science with Marcus Chown
Duration: 00:40:00; File size: 18MB 363kb Why can some types of radiation escape black holes but light can't? Also: how do planes survive lightning strikes?; why do my new ugg boots give me electric shocks?; and can you get a hangover from non-alcoholic wine?
Thursday, 4 June 2009
Your plastic brain with Bernie Hobbs and Dr Norman Doidge
Duration: 00:36:12; File size: 16MB 617kb What is neuroplasticity? And: how does the brain repair itself after stroke?; what neuroplasticity tells us about our sexual tastes; and so much more.
Thursday, 28 May 2009
Space myths busted with Bernie Hobbs and Fred Watson
Duration: 00:37:43; File size: 17MB 312kb Can you land on a gas giant? And: is it possible to block gravity?; could life exist elsewhere in the universe?; and so much more.
Thursday, 14 May 2009
Eco-friendly science with Bernie Hobbs
Duration: 00:34:06; File size: 15MB 665kb What's better for the garden - rain or tap water?; how do you measure the distance to the horizon?; and why does my skin go wrinkly?
Thursday, 7 May 2009
Flu-free science with Dr James Bradfield Moody
Duration: 00:36:41; File size: 16MB 852kb Where did swine flu come from?; do text messages contribute to global warming?; and why does my home-brew beer go flat?
Thursday, 30 April 2009
Hot science with Bernie Hobbs
Duration: 00:33:31; File size: 15MB 392kb What happens when you eat chilli? Plus: are diesel or petrol cars more green?; do fish feel pain when they get hooked?; and why can't blood donors have hot drinks afterwards?
Thursday, 23 April 2009
Bernie Hobbs and fossilised farting bacteria
Duration: 00:37:17; File size: 47MB 144kb Dr Karl stand-in, Bernie Hobbs, reveals the decline of methane-producing ancient bacteria led to an oxygen-rich atmosphere for earth. Plus: when do babies begin to remember things?; when we smell something what are we actually breathing in?; why do radios move off their set frequency?; why do the Earth's magnetic poles move?; and what would happen if a person died on Mars and their body was left there, would it still decay?
Thursday, 16 April 2009
Dr Karl on triplej
Duration: 00:38:02; File size: 17MB 462kb Why did the recent Italian earthquake happen?; can babies dream in the womb?; how do 3D motion pictures work?; does rice continue to expand in your stomach after you've eaten it?; what types of food make you dream more?; and what's the purpose of snot?
Thursday, 9 April 2009
Dr Karl talks back with Dr Tim Flannery
Duration: 00:37:57; File size: 17MB 464kb What's the quickest way to stop sweating after exercise?; is biochar a legitimate solution to carbon emissions?; why do men have nipples?; double glazing versus solar power; how can you navigate through space when everything is moving?; and why do diamonds have different colours?
Thursday, 2 April 2009
Death and science
Duration: 00:41:04; File size: 18MB 896kb Why do your bowels move when you die?; are whale beachings suicide or caused by something else?; how might we live forever?; where do your bodily fluids go when you die?; how long could your brain survive after decapitation?; and what is the margin of error when declaring someone brain dead?
Thursday, 26 March 2009
Dr Karl on triplej
Duration: 00:36:59; File size: 16MB 960kb This week: gyrocoptors, Twitter and connectivity; belly button fluff and washing clothes; do dead march flies attract more march flies; asparagus and smelly urine; do cockroaches survive high doses of radiation?; the moon and optical air density; long-term effects of car exhaust on human health; life, the universe and everything in between.
Thursday, 19 March 2009
Dr Karl on triplej
Duration: 00:37:19; File size: 17MB 96kb This week, Dr Karl discusses: oil spills off Moreton Island; zombies; the real cost of solar-generated electricity; frequency of sex and men's testicle size; Frank Zappa; pins and needles; regenerative braking; does the left-side of our bodies feel pain more than our right-side?; and much, much more.
Thursday, 12 March 2009