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Researcher works on human embryos in dish

Life

When does life begin? Lab embryo advance reopens a big debate

Human embryos are surviving ever longer in labs. Any review of political limits on culturing them must fit the biological facts, says Jane Maienschein

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People wearing hoodies with their backs to the camera looking out over rooftops

Health

Equally long lives for rich and poor? This dream is in retreat

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Someone is inspecting the label on a jar of processed sauce

Health

Processed food bad, natural food good? We've got it so wrong

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elephant cartoon

Life

Record ivory burning shows world is failing Africa's elephants

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An Earth made verdant by greenhouse gases brings its own dangers

Life

An Earth made verdant by greenhouse gases brings its own dangers

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The musician Prince

Health

Purple pain: Why grief runs so deep when a pop icon dies young

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Belgian cyclo-cross rider Femke Van Den Driessche

Technology

Hidden motors: cycling's mechanical doping problem hits new low

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A woman and baby in a poor area of town

Life

Zika may bring a wave of mental health problems in future years

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Andrew Wakefield

Health

Warning: Wakefield's anti-vax film may make you sick

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drone

Technology

Will weaponised drones end the need for boots on the ground?

Small, armed drones that look like insects or birds could hold territory in war zones, without the need for troops on the ground, says David Hambling

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Space

Ease up doom mongers, Planet Nine is not about to destroy us

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Life

The clap trap: Did ancient STIs make humans monogamous?

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Health

It’s crazy that latest LSD study is first to scan brains on acid

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Earth

Capitalism must be re-engineered if we want a low-carbon world

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