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Ruby Prosser Scully

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A koala

Life

Giving koalas faecal transplants could help them adapt to a new diet

A wall of moss

Technology

Cities are using walls of moss to tackle air pollution from traffic

The team found DNA (red) and an enzyme (green) on the surface of human gallstones (yellow)

Health

Sticky nets of DNA from immune cells may be to blame for gallstones

Humans

Neanderthals spent a surprising amount of time underwater

An Ebola treatment centre in Butembo

Health

Ebola breakthrough: two drugs could treat up to 90 per cent of cases

Space

Milky Way’s black hole has got 75 times brighter and we don’t know why

Chain catsharks glow green in deep water

Life

Sharks use a special kind of protein to glow green in deep water

Earth

Earth’s magnetic poles probably won’t flip within our lifetime

Heracles inexpectatus lived in New Zealand

Life

World’s largest parrot was a metre tall and lived 19 million years ago

bumblebee

Life

Bees’ very hairy tongues help them mop up different types of nectar

Macaques eating rice

Life

Macaques really can use logical reasoning to solve puzzles

Earth

The Amazon rainforest depends on fires in Africa for a vital nutrient