Last updated 02/12/2008Latest In Depth

Tipple's status topples over proof

Great Moments in Science Alco-pops and other pre-mixed alcoholic drinks are cause for concern in the community. A century back it was absinthe that led the field in the social evil stakes. But Dr Karl reckons it's the same old problem.more'Tipple's status topples over proof'
Tuesday, 02 December 2008Tags: drug-use, medical-history, alcohol, 19th-century, 20th-century, greatmomentsinscience

HIV: a Nobel discovery

Science Feature It's been 25 years since scientists isolated HIV. We trace the history behind this profound discovery that changed our understanding, treatment and prevention of AIDS.more'HIV: a Nobel discovery'
Thursday, 27 November 2008Tags: epidemiology, aids-and-hiv, medical-history

Redheads' 'extinction' explanation splitting hairs

Great Moments in Science As if blondes and redheads don't get enough stick, now they're apparently facing extinction! But Dr Karl isn't so sure and has gone searching for the roots of the story.more'Redheads' 'extinction' explanation splitting hairs'
Tuesday, 25 November 2008Tags: eyes, genetics, anatomy, hair, greatmomentsinscience

How much of hunger is hormonal?

Ask an Expert How much of hunger is hormonal and how much is linked to the nervous system? What are the receptors and how do they act?more'How much of hunger is hormonal?'
Thursday, 20 November 2008Tags: neuroscience, brain-and-nervous-system, askanexpert

How to deal with a green office skeptic

Green Guru We would love to know how the ABC deals with the skeptics and creates a green culture at work.more'How to deal with a green office skeptic'
Wednesday, 19 November 2008Tags: business-economics-and-finance, community-and-society, environment, greenguru

Regrowth mystery reborn

Great Moments in Science If you're only as old as you feel then are you as old as your body? The idea that body cells regrow every seven years should be an accurate guide, right? Wrong! Dr Karl can sense it in his bones.more'Regrowth mystery reborn'
Tuesday, 18 November 2008Tags: nuclear-issues, alternative-medicine, older-people, anatomy, greatmomentsinscience

Deaf cats draw a blanc

Great Moments in Science Black cats have a reputation for bad omens, that's hocus-pocus and hard to prove. But white cats also present a riddle that Dr Karl found easier to solve.more'Deaf cats draw a blanc'
Tuesday, 11 November 2008Tags: veterinary-medicine, chemistry, mammals, greatmomentsinscience

Why don't all comets fall into the Sun?

Ask an Expert How is it that these relatively tiny objects (compared to the Sun) can travel such huge distances and yet orbit the Sun rather than be swallowed by it?more'Why don't all comets fall into the Sun?'
Thursday, 06 November 2008Tags: astronomy-space, physics, askanexpert

Slipped disc myth sticks

Great Moments in Science If you've ever experienced severe back pain you'll know that it's no laughing matter. But according to Dr Karl one common complaint associated with a 'bad back' is a misnomer.more'Slipped disc myth sticks'
Wednesday, 05 November 2008Tags: health, pain, anatomy, back-pain, greatmomentsinscience

Pallets get a bad wrap

Green Guru Can you recycle the miles of plastic used to wrap up industrial pallets?more'Pallets get a bad wrap'
Tuesday, 04 November 2008Tags: environmental-management, recycling-and-waste-management, greenguru