Cosima Marriner
Cosima Marriner is a Sun-Herald senior writer
Sexual assault victims find justice online
Cosima Marriner A date rapist is one of the sexual attackers caught after multiple reports to an anonymous sexual assault website.
Why you shouldn't work more than 25 hours a week
Cosima Marriner Just how well your brain performs depends on how many hours you work.
Embryo donor mum upset by claims of lost pregnancy
Cosima Marriner It was a priceless gift – donating an embryo to a couple in the hope it could become their longed-for baby.
Embryo donor mum upset by claims of lost pregnancy
Cosima Marriner It was a priceless gift – donating an embryo to a couple in the hope it could become their longed-for baby.
Surrogacy: Babysitting or baby trading?
Cosima Marriner Is a biological connection severed when surrogate babies are handed over, or are they being united with their 'real' families?
Singles should be banned from surrogacy, survey says
Cosima Marriner Most Australians think a child born via surrogacy needs two parents in a committed relationship, survey shows.
Food brands 'game' government's health star rating scheme
Cosima Marriner Is that tin of Milo rated 4.5 stars for nutrition? Or just 1.5 stars?
Health star rating system out of step with canteen 'traffic light' guidelines
Cosima Marriner Treats could be back on the menu if the health star food rating system was introduced in school canteens.
The damage pornography did to a six-year-old child
Cosima Marriner One woman reveals the damage porn did to her when she was just six years old.
Children are better at maths if they don't go to preschool: study
Cosima Marriner Kids who don't attend any preschool or day care do "significantly" better at maths than the kids who do.
Anti-vaxxers now keeping silent about kids' immunisation status
Cosima Marriner Sick of having to justify their controversial decision, anti-vaxxers now have a new approach.
Teenagers increasingly assaulting, abusing their parents
Cosima Marriner and Timna Jacks More and more children are lashing out when they don't get their way or are denied something.
'She terrorises us': How entitled children are making their parents' lives hell
Cosima Marriner and Rachel Browne The Richardsons are among a growing number of parents under siege from their children.
Cyber bullies come out to play in the school holidays
Cosima Marriner As schools break up for the year, police have warned parents to be on guard for cyber bullying, which spikes during the holidays.
Federal surrogacy inquiry won't halt NSW law reform
Cosima Marriner The NSW government is pushing ahead with its planned reform of state surrogacy laws, rather than wait for the outcome of a new national inquiry into surrogacy arrangements.
Cultural differences fade when Westerners and Chinese fall in love
Cosima Marriner One in three Australian marriages are now intercultural. Researchers have found out a key ingredient for success.
Tablets reshaping the way preschoolers develop, play and learn
Cosima Marriner Toddlers are making online purchases by themselves before they're even out of nappies, as the widespread use of tablets by preschoolers spurs their developmental of digital skills ahead of...
How witnessing domestic violence damages children
Cosima Marriner Children who witness domestic violence during the breakdown of their parents' relationship do worse than their peers socially and academically, become distrusting of adults, and can develop...
'Ditch dairy' animal welfare campaign called 'irresponsible'
Cosima Marriner An animal welfare campaign urging people to "ditch dairy" contradicts official nutrition guidelines and has been slammed for advocating a fad diet which could be detrimental to children's health.
Childfree by choice
Do women who chose to go childfree regret the decision?
Cosima Marriner A quarter of women who choose not to have children live to regret their decision, as they face growing old without family, new research suggests.