Why do some people eat soil?

What drives the body to crave something that isn’t real food?

• 33 mins

Who were the first farmers?

The story of how our ancestors tamed plants and animals

• 28 mins

Where’s my time machine?

When will sci fi’s favourite technologies become reality?

• 42 mins

Why do we pull faces when we concentrate?

We tackle the science of scowling, gesturing, and counting

• 33 mins

How many fossils are there?

Have we already found the last T. rex? Or are there many more to be discovered?

• 30 mins

Can I predict the future?

There are ordinary people among us who are exceptionally good at predicting the future

• 36 mins

Global infertility: Could The Handmaid’s Tale become reality?

What could cause mass infertility? Marnie Chesterton investigates

• 40 mins

How can I motivate myself?

We put science to the test to try and find out how can we best motivate ourselves.

• 37 mins

Do we need more space stations?

Would more satellites and space stations help us get further into the solar system?

• 31 mins

Are extroverts really happier?

We probe the links between happiness, personality and culture

• 27 mins

Can my migraines be cured?

What’s happening in my brain when I get a migraine? CrowdScience investigates

• 33 mins

Could I learn to think like Sherlock Holmes?

What does science have to say about the famous fictional detective?

• 34 mins

Is a vegan diet better for your health?

Many people follow a plant based diet, but is a vegan diet really better for your health?

• 33 mins

Do green spaces make us healthier?

Is there more to living alongside greenery?

• 33 mins

How can I live a longer life?

What is the secret to living healthily into very old age?

• 26 mins

Is maths real?

Is maths a tool created by humans? Or is it reality itself?

• 32 mins

Will my salmon swim home?

Could we repopulate salmon rivers?

• 34 mins

Can my stutter be cured?

Most of us take speaking for granted, but for Breeda it has been a lifelong struggle

• 34 mins

Why do I get sleepy?

We ask what happens in our body and brain when tiredness takes over

• 29 mins

Can a machine read my mind?

How machine learning is enabling minds to start melding with machines

• 42 mins

Should I stop eating palm oil?

Is palm oil environmental foe or poverty-fighting crop? Graihagh Jackson investigates

• 36 mins

Could humans hibernate during interstellar travel?

Hibernation could allow people to travel long distances in space. How realistic is it?

• 35 mins

Would humans exist if dinosaurs were still alive?

We explore an alternative reality where dinosaurs still roam the earth

• 35 mins

Can I save the insects?

The world’s insects are in trouble. What can each of us do to help them?

• 29 mins

Did Crowdscience change your life?

We delve into the Crowdscience archive to hear how our shows changed listeners’ lives

• 27 mins

How does the sun affect my body and mind?

We explore the power of light to impact our health and wellbeing.

• 33 mins

What is empathy?

What drives our feelings of compassion for others – what is happening in our brains?

• 38 mins

How low-carbon can CrowdScience go?

We try to find out the best ways to reduce our carbon footprint

• 40 mins

What is infinity?

We tackle impossible-sounding questions on topics from infinity to quantum mechanics

• 33 mins

Could we survive an extinction event?

Are humans capable of outwitting asteroids, volcanoes or other causes of mass extinction?

• 38 mins