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sex

Eleanor Bath

Life

Why does semen make female fruit flies more aggressive?

Molecules smuggled in alongside sperm can have big effects on female fruit flies' behaviour, says evolutionary biologist Eleanor Bath

Opinion

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News

Male spiders lure aggressive females with peek-a-boo paddle game

Male spiders lure aggressive females with peek-a-boo paddle game

News

Male spiders lure aggressive females with peek-a-boo paddle game

Life

Male spiders lure aggressive females with peek-a-boo paddle game

News

Dinosaurs took part in building competitions to attract females

Life

Dinosaurs took part in building competitions to attract females

News

Take beard inspiration from the amazing styles of other primates

Life

Take beard inspiration from the amazing styles of other primates

Features

US drops lifetime ban on gay men donating blood

Health

US drops lifetime ban on gay men donating blood

News

Pandas don't lack sex drive, they just need to fancy each other

Life

Pandas don't lack sex drive, they just need to fancy each other

News

Obese men found to make sperm with thousands of modified genes

Life

Obese men found to make sperm with thousands of modified genes

News

Howler monkeys have to choose between big balls and big bawls

Life

Howler monkeys have to choose between big balls and big bawls

In species with the largest vocal organs, males have the smallest testicles, suggesting an evolutionary trade-off between winning mates and making sperm

News

Health

'Gay test' fear mustn't derail work on sexuality's genetic basis

Comment

Life

Top exoplanet hunter keeps job despite serial sexual harassment

News

Earth

Bean beetle displays spiky penis before damaging sex

Regulars

Life

Why did sex evolve? Blame an ancient hook-up

Opinion

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