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Health

Men's sperm quality decreases at age 35

Both the quality and quantity of sperm start to decline earlier than was thought, and older men become more likely to have girls

News

Chimps have experimented with sex more than humans

Life

Chimps have experimented with sex more than humans

News

Voice almighty: Decoding speech's secret signals

Life

Voice almighty: Decoding speech's secret signals

Features

First baby born after full genetic screening of embryos

Life

First baby born after full genetic screening of embryos

News

Control sex for humanity's future

Life

Control sex for humanity's future

CultureLab

Life

Designer babies are on the horizon but aren't here yet

Opinion

Zoologger: Hipster toad has weaponised moustache

Life

Zoologger: Hipster toad has weaponised moustache

News

Does banning prostitution make women safer?

Life

Does banning prostitution make women safer?

Opinion

Life

Mice lacking serotonin swap sexual preferences

News

Zoologger: The tiny insect with the massive sperm

Life

Zoologger: The tiny insect with the massive sperm

A Malaysian ground louse has a unique mating habit that may illuminate how sex evolved: the males attach an unusual packet of sperm to the females' bodies

News

Life

Brutal battles of animal sexes

Books & Arts

Life

Zoologger: Picture-winged fly quenches thirst on sperm

News

Health

US women can get morning-after pill over the counter

News

Life

Woman WLTM tall, broad man. Big penis preferred

News