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Three-parent babies: It's more messy than we thought

Life

Three-parent babies: It's more messy than we thought

Mitochondrial replacement lets a child's cells use power packs from a donor. But if the donor can pass on other traits, that really complicates the ethics

Leader

Meet the ancient megatrees of arid lands

Life

Meet the ancient megatrees of arid lands

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Human 'language gene' makes mice smarter

Life

Human 'language gene' makes mice smarter

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The go-between: Life's unexpected messenger

Life

The go-between: Life's unexpected messenger

Features

Environment

Fish that picks its work partners wisely

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Earth

Fungal fix for UK's Himalayan balsam problem

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Eggs-tra shell

Last Word

Eggs-tra shell

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Last Word

Deposit account

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Beautiful but doomed: Demise of the passenger pigeon

Life

Beautiful but doomed: Demise of the passenger pigeon

CultureLab

Swelling Australian cities harbour ever bigger spiders

Life

Swelling Australian cities harbour ever bigger spiders

Arachnophobes have more reason to steer clear of Australia: as its cities get more built-up, urban spiders are getting larger

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Life

Striped sweater

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Earth

Meet the lodgers: Wildlife in the great indoors

Features

Life

Avast! It's a gas-filled blob with a sting in the tail

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Life

Brain drain: Are we evolving stupidity?

Features