The Human Body

How much of the human body is salt? © Getty Images

Does the body need salt?

Charles Conway, MD, holds a vagus nerve stimulation device, which is implanted in research participants to treat depression on June 22, 2018. MATT MILLER/WASHINGTON UNIVERSITY SCHOOL OF MEDICINE

Nerve stimulation treatment for depression offers new hope

How many Fruit Pastilles would you need to eat to get one of your five-a-day? © Alamy

How many Fruit Pastilles would you need to eat to get one of your five-a-day?

Why do we sweat when we're anxious? © Getty Images

Why do we sweat when we’re anxious?

Can animal senses take us beyond human limits? © Alamy

Can animal senses take us beyond human limits?

Where does jealousy come from? © Getty Images

Where does jealousy come from?

Who really discovered how blood circulates? © Getty Images

Who really discovered how blood circulates?

The power of music for health

The power of music for health

Does dreaming affect the quality of our sleep? © Getty images

Does dreaming affect the quality of our sleep?

Can we stop male suicide? © Owen Gent

Can we stop male suicide?

Why do we get used to smells? © iStock

Has our sense of smell evolved based on what is good and bad for us?

Eating insects is good for your gut © Getty Images

Eating insects is good for your gut

Inventing Ourselves: The Secret Life of the Teenage Brain by Sarah-Jayne Blakemore is winner of the 2018 Royal Society Insight Investment Science Book Prize (£20, Doubleday)

Sarah-Jayne Blakemore: how to understand teenage brain development

The psychology of suicide © Owen Gent

What psychology can tell us about suicide