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Why does pain sometimes feel good?

What makes people seek out unpleasant or painful sensations, like eating chilli?

• 29 mins

Will the Earth ever lose its Moon?

Anand Jagatia is joined by a panel of experts to answer listener questions about the Moon

• 26 mins

I didn’t know that!

Did you know that flies fly in rectangles and fish hide by lighting themselves up?

• 26 mins

Why am I embarrassed when I fall?

Falling can be serious – so why do we find it embarrassing or even funny?

• 26 mins

Is beer better without alcohol?

How does non-alcoholic beer differ from the original - and is it better for us?

• 32 mins

Which animal has the biggest carbon footprint?

Humans emit far too much planet-warming carbon, but what about other species?

• 28 mins

How high can birds fly?

What altitude can birds cope with, and which species soars highest?

• 27 mins

Is my smartwatch good for my health?

Do smartwatches reliably monitor fitness? And can they make us healthier?

• 27 mins

Why can't I remember my early childhood?

Some huge milestones happen in our first years of life - but why do we forget them?

• 27 mins

Is anything truly random?

A question about bathroom tiles has us wondering whether everything is pre-determined

• 26 mins

Why isn't the sky green?

Why do we see so many colours in the sky, but never green?

• 27 mins

Whatever happened to tangerines?

Can we track down a tangerine variety lodged in one listener's memory?

• 28 mins

Is water wet?

The wetness of water seems obvious - but dive into the science and it's not so clear cut

• 26 mins