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Life

What to read this week: Lixing Sun's ambitious On the Origin of Sex

Ducks with corkscrew penises, fish changing sex – what do we really know about sex and reproduction on Earth? Less than we think, reveals a mind-boggling new book. Elle Hunt explores

Culture

Health

Surprising male G-spot found in most detailed study of the penis yet

News

Health

A smartphone app can help men last longer in bed

News

We can block the spread of HIV: Best ideas of the century

Health

We can block the spread of HIV: Best ideas of the century

Features

Life

Is there an evolutionary reason for same-sex sexual behaviour?

Analysis

Humans

Kissing may have evolved in an ape ancestor 21 million years ago

News

Health

Why aren't young people having sex any more?

News

Health

Sex could help wounds heal faster by reducing stress

News

Mating Garter snakes

Life

Sex may have evolved as a way to pool resources during tough times

News

Health

Men taking antibiotics could cut rates of bacterial vaginosis in women

Bacterial vaginosis, which is caused by bacteria overgrowing in the vagina, can be hard to treat, with women often experiencing recurring symptoms. Now it seems that asking their male sexual partners to use antibiotic pills and cream could be key to tackling the condition

News

Health

'Sexome' microbes swapped during sex could aid forensic investigations

News

Health

Pain during intercourse is common among women who have sex with men

News

Health

Bisexual women expect to have an orgasm with women more than with men

News

Humans

People watch sports, have sex, make children, study finds

Regulars