Why is the sun at the centre?

With astronomers and physicists, we unpack how we know the Earth revolves around the sun

• 27 mins

Is there a connection between memory and speech?

Caroline Steel finds out how dementia affects our ability to speak

• 28 mins

Can Artificial Intelligence teach itself?

What happens if artificial intelligence starts learning from its own material?

• 26 mins

Why can’t I see images in my head?

Anand Jagatia discovers what mental images are for and why some people don’t have them

• 38 mins

Human v machine

How efficient are humans?

• 27 mins

Why do I crave unhealthy foods?

What are food cravings and why do we crave unhealthy foods instead of healthy ones?

• 30 mins

Why do we experience vertigo?

Anand Jagatia finds out why we lose our sense of balance

• 33 mins

Why aren't we all ambidextrous?

With a panel of experts, we unpack why some people (and animals) are left or right-handed

• 34 mins

Why do we get bored?

Why boredom affects some people more than others and why it can lead to innovation

• 27 mins

Why does some music make us sad?

How music and emotion are intimately linked

• 35 mins

Is the ‘sunshine cure’ a real thing?

Does living somewhere sunny make us happier and healthier?

• 26 mins

Are dogs good for us?

Investigating whether our canine companions are good for our health and wellbeing

• 28 mins

What is the weight of the internet?

How do we go about trying to weigh the internet – what even counts as part of it?

• 35 mins

How do butterflies and moths fly?

Why do butterflies and moths fly so erratically, but land so precisely?

• 26 mins

What does a sustainable life look like?

What would it take for all eight billion of us to share the planet sustainably?

• 28 mins

Why do my children stress me out?

Caroline Steel investigates how we respond to stress.

• 27 mins

Why am I scared of bridges?

What makes a fear become a phobia, and where do they come from?

• 28 mins

Can we grow a conscious brain?

With advances in stem cell research, could we grow a human brain? And would we want to?

• 26 mins

What is consciousness?

It's easy to observe that we ourselves are conscious but how do you study this phenomenon?

• 36 mins

Can humans be part of healthy ecosystems?

We depend on ecosystems for our survival, so can we play a more sustainable role in them?

• 30 mins

Why are spices delicious?

CrowdScience listener Kristine wants to know why herbs and spices taste so good?

• 27 mins

Which is healthier, farmed or wild salmon?

This week on CrowdScience: which is healthier, farmed salmon or wild?

• 36 mins

Green Man Festival: Why are some animals so ugly?

Why are some animals cute – and some downright weird?

• 26 mins

How does food affect our mood?

What we eat impacts our microbiome. How does that impact our mental health?

• 27 mins

What will 1.5° of warming look like?

Listener Julian wants to know what to expect on the other side of this climate threshold.

• 39 mins

Why do we lie?

Almost all of us lie. But how did it become so engrained in human behaviour?

• 26 mins

What’s the difference between reading and listening to books?

Why our brains respond differently if we listen to books instead of reading them

• 27 mins

What is brainwashing?

Is it possible to control someone’s mind?

• 36 mins

Where does our fat go when we exercise?

What happens to the fat in our bodies when we exercise?

• 26 mins

Are seeds alive?

How come a seed can do nothing for months, or even years, before bursting into life?

• 27 mins