Skip to navigation | Skip to content

In the beginning car hacking simply set off a car's alarm or prevented it starting... Honk if you're being hacked

Great Moments in Science Dr Karl goes back to the beginning of the car hacking era in part one of a three-part series.moreHonk if you're being hacked
Tuesday, 01 September 2015Tags: computers-and-technology, internet, hacking, greatmomentsinscience, drkarl, podcast

The 300 Club is the most southerly club under the planetThe coolest club on Earth

Great Moments in Science You have to be pretty thick skinned to join the 300 Club. Dr Karl explains what it takes to survive the initiation ritual.moreThe coolest club on Earth
Tuesday, 25 August 2015Tags: biology, greatmomentsinscience, drkarl, podcast

How much anaesthetic will knock you out?

Great Moments in Science How do doctors work out how much anaesthetics to give people? Dr Karl carves up the figures.moreHow much anaesthetic will knock you out?
Tuesday, 18 August 2015Tags: medical-procedures, pain, anatomy, greatmomentsinscience, drkarl, podcast

Solar rain: the Sun's plasma gets squirted to a height of about 63,000 kilometres, cools and then falls down againSurprising Sun facts

Great Moments in Science Did you know our Sun has long-lost siblings? Dr Karl runs through some surprising facts about that big ball of nuclear energy in the sky.moreSurprising Sun facts
Tuesday, 11 August 2015Tags: astronomy-space, stars, greatmomentsinscience, drkarl, podcast

Exercise was the key to fewer holes in the heartRunning off a hole in the heart

Great Moments in Science It seems that exercise can reduce the risk of congenital heart disease - if you are a mouse - says Dr Karl.moreRunning off a hole in the heart
Tuesday, 04 August 2015Tags: exercise-and-fitness, heart-disease, anatomy, greatmomentsinscience, drkarl, podcast

Brontosaurus: what's in a name?

Great Moments in Science Brontosaurus is back - at least in name. Its reinstatement as an official dinosaur is a win for the splitters, says Dr Karl, and the lumpers just have to lump it. moreBrontosaurus: what's in a name?
Tuesday, 21 July 2015Tags: dinosaurs, fossils, palaeontology, greatmomentsinscience, drkarl, podcast

Real or not real? This is an obsolete model of an apatosaurine with a sculpted headBrontosaurus and the Bone Wars

Great Moments in Science In part 1 of this series, Dr Karl explains how the infamous Bone Wars lead to the discovery of 142 new dinosaurs. But were they all real? moreBrontosaurus and the Bone Wars
Tuesday, 14 July 2015Tags: dinosaurs, fossils, palaeontology, greatmomentsinscience, drkarl, podcast

Bodies are a mini powerhouse of radioactivity, emitting some 40 mrem each year Meet the radioactive you

Great Moments in Science We are bathed by radioactivity 24 hours a day. Dr Karl lists some of the most common - and surprising - sources.moreMeet the radioactive you
Tuesday, 23 June 2015Tags: physics, greatmomentsinscience, drkarl, podcast

Whenever there's a star in an image taken by the Hubble Space Telescope, that star has four points or spikesStars look pointy because ...

Great Moments in Science Why do stars look pointy even though they're actually spheres of plasma sans points or spikes? Dr Karl dissects the anatomy of vision. moreStars look pointy because ...
Tuesday, 16 June 2015Tags: eyes, anatomy, stars, greatmomentsinscience, drkarl, podcast

When they go to sleep, the inhabitants of the ISS have to make sure that they are in a well-ventilated areaHow do astronauts breathe in space?

Great Moments in Science Astronauts on the International Space Station breathe air almost identical to the stuff we breathe on Earth. Dr Karl explains where it comes from.moreHow do astronauts breathe in space?
Tuesday, 09 June 2015Tags: space-exploration, spacecraft, chemistry, greatmomentsinscience, drkarl, podcast

Follow us

  • Subscribe to our email alert
  • Latest audio and podcasts
  • ABC Science on YouTube
  • Follow us on Facebook
  • Follow us on Twitter
Crude - the incredible story of oil

We depend upon oil, yet few of us know what it is. Watch this award-winning documentary to discover how oil is shaping our Earth's future.