The Human Body

Can we make artificial blood? © Getty Images

Can we make artificial blood?

Why do men have nipples? © Getty Images

Why do men have nipples?

Does the smell of your earwax have any diagnostic potential?

Does the smell of your earwax have any diagnostic potential?

Why do we get ‘the giggles’? © Getty Images

Why do we get ‘the giggles’?

How to free a hostage © Getty Images

How to free a hostage

Why do we have fingerprints? © Getty Images

Why do we have fingerprints?

Why do our faces contort when we’re in pain? © iStock

Why do our faces contort when we’re in pain?

Why do we drool before being sick? © iStock

Why do we drool before being sick?

Why do we get fur on our tongues? © iStock

Why do we get fur on our tongues?

Why do songs get stuck in my head? © Getty Images

Why do songs get stuck in my head?

Can you cleanse your internal organs with yoga? © Getty Images

Can you cleanse your internal organs with yoga?

Do medications that fight a cold’s symptoms prolong the cold? © iStock

Do medications that fight a cold’s symptoms prolong the cold?

Are some women genetically predisposed to give birth to more boys or more girls? © Getty Images

Are some women genetically predisposed to give birth to more boys or more girls?

Why is rail and air travel so tiring? © Getty Images

Why is rail and air travel so tiring when you aren’t doing anything?

Is there any scientific evidence to support neuro-linguistic programming (NLP)? © Getty Images

Is there any scientific evidence to support neuro-linguistic programming (NLP)?