51

conservation

Medicine for sick koalas turns out to actually kill them

Earth

Medicine for sick koalas turns out to actually kill them

Koalas are often given antibiotics to treat a lethal strain of chlamydia, but the medicines often kill the koalas by wiping out friendly bacteria in their guts

51

Sudan was the last male northern white rhino

Life

There’s no point reviving the northern white rhino – yet

Analysis

These searing hot chilli peppers are in danger thanks to snakes

Earth

These searing hot chilli peppers are in danger thanks to snakes

51

US climate report warns nation will lose out if it doesn't act

Earth

US climate report warns nation will lose out if it doesn't act

51

Leopards that live in cities are protecting people from rabies

Life

Leopards that live in cities are protecting people from rabies

51

shell

Life

Mussel pain: The crisis engulfing our freshwater molluscs

Features

A deadly predator could save the UK’s threatened red squirrels

Earth

A deadly predator could save the UK’s threatened red squirrels

51

Drones reveal huge colonies of 1.5 million penguins on islands

Earth

Drones reveal huge colonies of 1.5 million penguins on islands

51

North Atlantic right whale

Earth

North Atlantic right whales didn't have a single calf this year

51

Mute male crickets are still trying to serenade females

Life

Mute male crickets are still trying to serenade females

Male Hawaiian crickets that have lost the ability to chirp still go through the motion of “singing”, even though females can’t hear them

51

Earth

People are slaughtering orangutans and wiping them out

51

Earth

The survivors: Is climate change really killing polar bears?

Features

Life

Shark-free world? That's a wish that would come back to bite us

Comment

Earth

Polar bears waste lots of their energy and it could be a problem

51

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop