Can Trees Help us Fight Air Pollution?

Trees take in carbon dioxide but they also convert some of the toxic gases in our air.

• 27 mins

Is Being Fat a Choice?

Can we blame our weight on factors like genes or our environment?

• 27 mins

Science at the Movies

Science meets film in a special edition recorded live at South by Southwest Festival, USA.

• 26 mins

Does Weather Affect our Health?

Can a rain shower really cause aches and pains?

• 26 mins

Why Do We Have So Many Accents?

What makes us sound so different from each other – even when speaking the same language?

• 26 mins

Should we eat Insects?

Should we eat more insects? CrowdScience meets the people turning caterpillars into food

• 26 mins

Space Mining

Could we mine on asteroids?

• 26 mins

How Many People Can Earth Support?

When will we reach ‘peak human’ and how will we cope?

• 26 mins

Are Fingerprints the Best Form of ID?

CrowdScience explores the biometric systems capturing our identities

• 26 mins

Why Do We Have Males and Females?

We plunge into the weird world of sex determination.

• 26 mins

Where’s my Ejector Seat?

Why can’t commercial planes have ejector seats, like fighter jets do?

• 27 mins

Why is Childbirth Painful?

Why is it more painful for some women than others?

• 26 mins

Why do Human Faces Look so Different?

Unlike most animals, human facial features evolved to have more variety. But why?

• 30 mins

What’s the Oldest Living Thing?

What is the oldest tree or other living organism on Earth?

• 27 mins

Why Does It Always Rain on Me?

How do microclimates affect our weather and our lives?

• 27 mins

Can Your Lifestyle Be Passed on to Future Generations?

Can your lifestyle be passed on to future generations?

• 29 mins

Can plants talk?

This week we hack the secret plant communication network “The Wood Wide Web”.

• 28 mins

Do We Think in Words?

Do we think in words, images, or abstract concepts?

• 28 mins

Does Time really Exist?

Does Time really exist or is it all in our heads?

• 30 mins

Why is it so Hard to Quit Smoking?

We look at how nicotine tricks the brain into thinking tobacco’s good for us.

• 28 mins

Could a Computer Judge My Crime?

How much of the justice system could be replaced by technology?

• 27 mins

What Do Our Accents Say About Us?

Why do we sound so different from each other – even when we speak the same language?

• 26 mins

Can Animals Commit Murder?

Are humans the only species that murder each other? We head to the rainforest to find out

• 28 mins

Lightning Strikes Again

Can we collect electricity from lightning?

• 35 mins

Sydney Science Festival, Australia

Your questions about life, Earth & the universe tackled by a panel of experts.

• 26 mins

Trees v Air Pollution - the Rematch

Could trees be even better at tackling air pollution than previously thought?

• 27 mins

Spider Silk and Super Fly Senses

Your questions about the super abilities of insects

• 27 mins

How Could Humanity Become Extinct?

Nuclear weapons and mega asteroids: what would the aftermath look like?

• 29 mins

Could All Cars Be Electric?

Just one per cent of vehicles are powered by electricity

• 29 mins

Should We Kill One Species to Save Another?

Is it fair to kill invasive species which humans have introduced?

• 31 mins