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sex

Zoologger: The most bizarre life story on Earth?

Life

Zoologger: The most bizarre life story on Earth?

There's something strange living on lobster mouths – an animal unlike any other, with an astonishingly complex way of reproducing itself

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Life

How female wallabies boost their males' testosterone

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Male crayfish turned on by urine

Life

Male crayfish turned on by urine

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Zoologger: The world's most promiscuous… snail

Life

Zoologger: The world's most promiscuous… snail

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Post-coital warfare: insect semen kills rival sperm

Life

Post-coital warfare: insect semen kills rival sperm

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Women with good genes may have more sexual partners

Life

Women with good genes may have more sexual partners

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Dirty tricks of the egg and sperm race

Life

Dirty tricks of the egg and sperm race

Features

Even in the virtual world, men judge women on looks

Life

Even in the virtual world, men judge women on looks

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Humans

How to put science into romance

Opinion

My big fat geek wedding: Tears, joy and oxytocin

Life

My big fat geek wedding: Tears, joy and oxytocin

How did ¿ìè¶ÌÊÓƵ reporter Linda Geddes make her big day even more memorable? By taking blood samples from her nearest and dearest

Features

Health

The secret of a sperm's wiggle

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Life

Intense males have the best sperm

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Life

When men shouldn't be in want of a wife

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Life

2009 review: Sex at the noughties' end

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