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Space Mining
Could we mine on asteroids?
How Many People Can Earth Support?
When will we reach ‘peak human’ and how will we cope?
Are Fingerprints the Best Form of ID?
CrowdScience explores the biometric systems capturing our identities
Why Do We Have Males and Females?
We plunge into the weird world of sex determination.
Where’s my Ejector Seat?
Why can’t commercial planes have ejector seats, like fighter jets do?
Why is Childbirth Painful?
Why is it more painful for some women than others?
Why do Human Faces Look so Different?
Unlike most animals, human facial features evolved to have more variety. But why?
What’s the Oldest Living Thing?
What is the oldest tree or other living organism on Earth?
Why Does It Always Rain on Me?
How do microclimates affect our weather and our lives?
Can Your Lifestyle Be Passed on to Future Generations?
Can your lifestyle be passed on to future generations?
Can plants talk?
This week we hack the secret plant communication network “The Wood Wide Web”.
Do We Think in Words?
Do we think in words, images, or abstract concepts?
Does Time really Exist?
Does Time really exist or is it all in our heads?
Why is it so Hard to Quit Smoking?
We look at how nicotine tricks the brain into thinking tobacco’s good for us.
Could a Computer Judge My Crime?
How much of the justice system could be replaced by technology?
What Do Our Accents Say About Us?
Why do we sound so different from each other – even when we speak the same language?
Can Animals Commit Murder?
Are humans the only species that murder each other? We head to the rainforest to find out
Lightning Strikes Again
Can we collect electricity from lightning?
Sydney Science Festival, Australia
Your questions about life, Earth & the universe tackled by a panel of experts.
Trees v Air Pollution - the Rematch
Could trees be even better at tackling air pollution than previously thought?
Spider Silk and Super Fly Senses
Your questions about the super abilities of insects
How Could Humanity Become Extinct?
Nuclear weapons and mega asteroids: what would the aftermath look like?
Could All Cars Be Electric?
Just one per cent of vehicles are powered by electricity
Should We Kill One Species to Save Another?
Is it fair to kill invasive species which humans have introduced?
Can We Make Artificial Organs?
Human organs are in short supply. But what if you could grow news ones in the lab?
Is Carbon Dioxide Higher Than Ever?
Where did our climate last have this much carbon dioxide?
Can We Worm Our Way Into Better Health?
Could parasites help give our immune systems a boost and help us fight disease?
Is There Proof of Life After Death?
Many people believe in an afterlife. Does science have any proof it exists?
How Can We Fight Unwanted Noise?
Can science and engineering tackle annoying, ear-damaging sounds?
How Did Life Get onto Land?
It was one of the most unlikely events in history. But how did fish become land animals?
How Can I Remember More?
Does your memory sometimes fail you?
