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biology

Biological clock began ticking 2.5 billion years ago

Life

Biological clock began ticking 2.5 billion years ago

An enzyme found in nearly all forms of life runs on a 24-hour clock and dates back to a pivotal moment in evolution

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The humanity switch: How one gene made us brainier

Life

The humanity switch: How one gene made us brainier

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Move over DNA: Six new molecules can carry genes

Life

Move over DNA: Six new molecules can carry genes

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Babies are born dirty, with a gutful of bacteria

Life

Babies are born dirty, with a gutful of bacteria

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Ants inoculate themselves by licking sick nest-mates

Life

Ants inoculate themselves by licking sick nest-mates

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Men's Y chromosome is not about to go extinct

Life

Men's Y chromosome is not about to go extinct

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Prions point to a new style of evolution

Life

Prions point to a new style of evolution

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Patch of seagrass is world's oldest living organism

Earth

Patch of seagrass is world's oldest living organism

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I think we should let elephants loose in Australia

Earth

I think we should let elephants loose in Australia

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Why scarab beetles dance on a ball of dung

Life

Why scarab beetles dance on a ball of dung

Whatever ancient Egyptians might have said, scarab beetles dance to the sun not to worship it but to roll their dung ball in a straight line

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Life

Grouse have signature drumming styles

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Life

Zoologger: Transgender fish perform reverse sex flip

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Life

Zoologger: My brain's so big it spills into my legs

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Health

Abused children's brains work like soldiers' do

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