The Human Body

Why are certain fragrances considered masculine or feminine? © Getty Images

Why are certain fragrances considered masculine or feminine?

What’s the longest time that somebody has been constipated? © Getty Images

What’s the longest time that somebody has been constipated?

Why do people scratch their heads when confused? © Getty Images

Why do people scratch their heads when confused?

Why does coffee make me need a poo? © Dan Bright

Why does coffee make me need a poo?

Brain scans discover consciousness in coma patients © Alamy

Brain scans discover consciousness in coma patients

Sun Cream: Is it a risk to your health? © Getty Images

Reality Check Is sun cream a risk to your health?

Do intelligent people live longer? © Getty Images

Do intelligent people live longer?

Michael Mosley How much sleep do you really need?

Michael Mosley

Sniffing out disease: the power of smell in diagnosing illness © Getty Images

Future Technology

Sniffing out disease: the power of smell in diagnosing illness

Why do we have a nose and not just two holes? © Getty Images

What does disease smell like?

Why do some people get aggressive after drinking alcohol? © Getty Images

Why do some people get aggressive after drinking alcohol?

Can you be allergic to human hair? © Getty Images

Can you be allergic to human hair?

Do carrots help you see in the dark? © Dan Bright

Do carrots help you see in the dark?

Why do people doodle? © Getty Images

Why do people doodle?