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reproduction

Polygamy boosts mouse sperm fitness

Earth

Polygamy boosts mouse sperm fitness

Bigger, better sperm give polygamous mice the edge in the mating game

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Health

Painkillers in pregnancy can affect fetal testicles

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Health

Zap testes with ultrasound for temporary 'vasectomy'

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Life

Men with younger women have more children

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Humans

High-protein diet, low fertility?

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Humans

Cancer drugs tame rogue womb cells

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Humans

Narcotic khat gets sperm going

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Humans

Life or death

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Humans

The great escape

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Health

From a heart drug to a safe male Pill

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Health

IVF smokescreen

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