Are humans naturally clean and tidy?

Answering your questions about life, Earth and the universe

• 28 mins

Can smells fill you up?

CrowdScience explores how different smells affect your appetite.

• 33 mins

What is white?

CrowdScience explores what makes an object appear white.

• 28 mins

What happens to insects in the winter?

Marnie explores the many canny ways insects have adapted to survive extreme temperatures

• 40 mins

Can animals count?

CrowdScience finds out whether there are some creatures that have a way with numbers.

• 31 mins

Is there a language of laughter?

Do we all laugh at the same things or is there a language to learn first?

• 27 mins

Why don’t some things burn?

Why do some things burn, while others refuse to catch fire?

• 28 mins

Why are fish fish-shaped?

There are over 30, 000 species of fish – are they really all a similar shape?

• 32 mins

Why am I gay?

CrowdScience looks at what science can - and can't - tell us about homosexuality.

• 35 mins

How is mental health being supported in Africa?

CrowdScience visits Nairobi, Kenya, to discuss mental health with a live audience

• 26 mins

Why can't I change my accent?

Why are accents so hard to change even when you speak a language perfectly?

• 28 mins

When does weather change become climate change?

Heatwaves, floods and drought. Is it climate change, or is it just weather?

• 34 mins

How long before all the ice melts?

CrowdScience heads to Greenland to understand the story of melting in a warming world.

• 32 mins

Where do we go when the seas rise?

We see Greenland’s ice is melting - so where should we go to live in the future?

• 36 mins

Why don’t we fall out of bed when we’re asleep?

Answering the sleep questions that have been keeping CrowdScience listeners awake.

• 33 mins

How do we behave in crowds?

Crowds gather in all sorts of places. But is there a science to how they move and behave?

• 26 mins

What gives clouds their shapes?

Marnie turns to the skies to figure out how clouds form and how they get their shapes.

• 29 mins

Could my house run out of air?

Blocking up gaps might reduce energy bills, but can you make your home too airtight?

• 31 mins

What is friction?

Everything that moves involves frictional losses, but what actually is it?

• 36 mins

Why are my parents so annoying?

Blood is thicker than water but why are parents so annoying?

• 31 mins

Bullying Parrots and Glacial Cocktails

Work-place bullying between two parrots plus arctic cocktails with 5000 year old glacier

• 29 mins

How do you balance on a bicycle?

What’s going on when we ride a bicycle, how do we stay upright? CrowdScience investigates

• 27 mins

What happens to insects in the winter?

Marnie explores the many canny ways insects have adapted to survive extreme temperatures

• 27 mins

Why do we get jealous?

Crowdscience grapples with the green-eyed monster in close relationships.

• 29 mins

Where does the sand in a desert come from?

Lonely desert dunes have a romantic image, but how did they get there in the first place?

• 27 mins

How bad is our noise problem?

How does noise pollution impact wildlife and humans, and why do we hate certain sounds?

• 35 mins

Who’s afraid of public speaking?

Why does the thought of public speaking fill so many of us with terror?

• 28 mins

Are yoga claims bogus claims?

Which of the many claims about yoga are backed up by science?

• 28 mins

Where does our fat go when we exercise?

Where does our fat go when we exercise?

• 34 mins

Do climbing plants know where they’re going?

Marnie Chesterton finds out how clever climbing plants are.

• 29 mins