If apes have brown eyes why do we have many different colours?
Did cavemen have names? And when did people start using them?
Unless you are an identical twin it's unlikely you've found anyone else who looks just like you. But, why do...
Reduced sea ice is threatening polar bears in the Arctic. Listener Kevin wanted to know if they would thrive at the...
Why do we lose heair on our heads but still have super hairy legs and armpits? It just seems unfair.
Fingernails seem to have obvious uses but what are our toenails
for? Sam Mahaffey goes in search of a gripping answer.