Answers to Biology Questions

Where do birds sleep? If it's in trees, why don't they fall out when they nod off?

What powers the light and how long can they keep it up?

Why do double-egg yolks exist?

How similar is a cat's vision to ours?

Only four nucleotide 'bases' make up the code for all life...

Bless you... bless you... bless you again...

Why do some people get freckles but not others?

Isn't that the worst time for it to happen?

And how much would it cost?

Can we use our toenails to stop rhino poaching?

The answer involves maths and physics...

Quite the loaded question...

Which creepy crawly gets crowned the brainiest?

Bees make honey - but where does the wax come from?

And why are humans excluded from the area?

How do huskies cope in hot weather?

Why are some people fertile but can't produce offspring with their partner?

And how does water get all the way to the top?

And if so, why?

Plant ecologist Howard Griffiths answered this blossoming question from listener Sarah

And how does the pill work? It's over to reproductive physiologist, Bill Colledge...

Is it as simple as "anything I don't want growing there"?

Is there a protocol for a space pregnancy?

Is it better to have a raw apple than a baked apple?