Loading

Why sperm is still so mysterious

Credit: Serenity Strull/ BBC)

Editor's Picks

Is Google about to destroy the web?

By Thomas Germain

The Sea Eagle boat operated by Sea Shepherd sails alongside two Sicilian coastguard ships in the Tyrrhenian Sea (Credit: Sea Shepherd)

Unravelling Italy's web of illegal fish traps

By Alice Pistolesi and Monica Pelliccia

Dark undulating clouds loom over a landscape with a road stretching away from the viewer (Credit: Getty Images)

How microbes living in the clouds affect our lives

By Carl Zimmer

Workers walking over a bridge (Credit: Getty Images)

The activity that can reveal your brain's age

By Jasmin Fox-Skelly

(Credit: Getty Images)

The effects of lockdown on children now emerging

By Katharine Gammon

Earth

A DC-6 plane (Credit: Office of Noaa Corps Operations)

Project Stormfury: The US quest to tame hurricanes

By Matthew Ponsford

People drive electric scooters to commute to work in Beijing, China (Credit: Getty Images)

Why China is betting big on salt batteries

By Xiaoying You

Nuclear Lake, near Russia's Ural Mountains, on a calm day (Credit: Andrei Fadeev)

The Soviet nuclear plan to reverse Siberian rivers

By Howard Amos

Aerial view of Guernevile, California, inundated by flood water from atmospheric river (Credit: Getty Images)

The Californian megafloods that start in Japan

By Sophie Hardach

History

1

The hunt for Marie Curie's radioactive fingerprints in Paris

Earth

2

Is it better to neglect your garden?

Health

3

The mystery rise of lung cancer in non-smokers

Space

4

From cat urine to gunpowder: Exploring the peculiar smells of outer space

Hurricanes

5

What a US mission to control hurricanes taught us about deadly storms

Engineering

6

Panjandrum: The 'giant firework' built to break Hitler's Atlantic Wall

Health

7

How your pets alter your immune system

Earth

8

How electric scooters are driving China's salt battery push

Mountain

9

'It's terrifying': The Everest climbs putting Sherpas in danger