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cell biology

Madagascar's lemurs close to extinction after population crash

Earth

Madagascar's lemurs close to extinction after population crash

Ring-tailed lemurs have experienced a precipitous decline over the last two decades and are now one of the 25 most endangered primates in the world

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Strong bones may be vital for maintaining memory in old age

Health

Strong bones may be vital for maintaining memory in old age

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Birds have childhood sweethearts that they stay with as adults

Life

Birds have childhood sweethearts that they stay with as adults

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Light pollution is set to double between now and 2050

Earth

Light pollution is set to double between now and 2050

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Adelie penguins

Life

Let's hope chickless penguin colony can come back from the brink

Comment

crossword

Health

Making your brain cells longer could help ward off Alzheimer’s

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How a tiny fly can ‘scuba dive’ in a salty and toxic lake

Life

How a tiny fly can ‘scuba dive’ in a salty and toxic lake

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Scorpion

Life

Venom: The show with an unsettling sting in its tale

Culture

Josiah Zayner

Humans

Biohackers are using CRISPR on their DNA and we can't stop it

Insight

leader

Humans

Why the male infertility crisis could be good news for women

The steep decline in sperm counts is an opportunity to finally dispel the idea that fertility is primarily a women’s issue

Leader

Health

We're heading for a male fertility crisis and we're not prepared

Features

Life

Porpoises twist laws of physics to aim their focused sonar beams

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Earth

Human arrivals wiped out the Caribbean’s giant ground sloths

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Life

Giant coconut crab sneaks up on a sleeping bird and kills it

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