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marine biology

Gut bacteria influence the birth of new brain cells in mice

Life

Gut bacteria influence the birth of new brain cells in mice

Wiping out a mouse's gut bacteria with a long course of antibiotics hinders the growth of new brain cells – but exercise and probiotics can reverse this

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A grey and white porpoise lying on a pebbly beach

Life

UK's harbour porpoise strandings linked to rising starvation

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Trees at night

Life

Trees seen resting branches while ‘asleep’ for the first time

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Cancel the Olympic Games in Brazil because of Zika? No way

Health

Cancel the Olympic Games in Brazil because of Zika? No way

Comment

Building blocks of life's first self-replicator recreated in lab

Life

Building blocks of life's first self-replicator recreated in lab

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Got dandruff? The bacteria living on your head might be to blame

Life

Got dandruff? The bacteria living on your head might be to blame

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Super-salty Turkish lakes may hold key to spotting life on Mars

Earth

Super-salty Turkish lakes may hold key to spotting life on Mars

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A pic of okenia rosacea, which is an inch long pink sea slug, covered in tentacles, looking a bit like a sea anemone or a pink mophead

Earth

North Pacific's sea slug invasion linked to mystery ocean blob

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Let people most affected by gene editing write CRISPR rules

Health

Let people most affected by gene editing write CRISPR rules

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Dolly sheep

Life

The story of Dolly is about us as much as cloning

Twenty years after the first cloned animal, scientific progress remains messy, human, and often optimistic

Leader

Environment

Massive new coral reef discovered at Amazon river mouth

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Humans

Meet our hybrid ancestors who kept extinct humans' DNA alive

Features

Earth

How two tiny dots defy the history of life and the solar system

Features

Life

Insects reveal an alien beauty in huge extreme close-up photos

Regulars

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