Sex
Why Was Erotic Art So Popular in Ancient Pompeii?
A new exhibition spotlights 70 examples of sensual imagery discovered in the Roman city
This Male Spider Catapults Itself Into the Air to Avoid Sexual Cannibalism
The arachnids propel themselves to safety at breakneck speeds after they’ve mated to avoid being eaten alive
Why Have Female Animals Evolved Such Wild Genitals?
From ducks to dolphins, females have developed sex organs that help them deter undesirable suitors and derive pleasure from non-reproductive behavior
FDA Approves First Condom for Anal Sex
Health experts say FDA authorization may increase condom usage during anal intercourse and reduce sexually transmitted infections
The Sects That Rejected Sex in 19th-Century America
Why three religious groups traded monogamy for celibacy, polygamy and "complex marriage"
Female Dolphins Have a Fully Functional Clitoris
A new study finds surprising similarities between human and cetacean sexual anatomy
Half of These Earwigs Use Their Right Penis. The Other Half Use Their Left Penis. Why?
Scientists mated males with females under a microscope to try and understand why some are southpaws and others are righties
The True History Behind 'The Last Duel'
A new film from Ridley Scott dramatizes the 1386 trial by combat of a medieval man accused of a horrific crime
The Sex Education Pamphlet That Sparked a Landmark Censorship Case
Women's rights activist Mary Ware Dennett was arrested in 1929 for mailing a booklet deemed "obscene, lewd or lascivious"
Mysterious Iron Age Burial May Hold Remains of Elite Nonbinary Person
The Finnish grave's occupant likely had Klinefelter syndrome, meaning they were born with an extra copy of the X chromosome
Britney Spears and the Age-Old History of Men Policing Women's Trauma
The singer's conservatorship, on trial this month, recalls the history of hysterectomies, insane asylums, forced contraception, among others
These Male Birds Deploy Deceptive Plumage to Win Mates
Male tanager feathers have microstructures that reflect light in ways that make their bearer look more attractive, even if he’s not the fittest bird around
This Mantis Attracts Males With a Y-Shaped, Balloon-Like Pheromone Gland
Female dragon mantises attract mates in the dark by inflating a forked, translucent-green organ that researchers say also wiggles
In a Warming World, Heat Interferes With Sex Determination in These Australian Lizards
Scientists have discovered how hot temperatures override chromosomes in bearded dragons
How Darwin's 'Descent of Man' Holds Up 150 Years After Publication
Questions still swirl around the author’s theories about sexual selection and the evolution of minds and morals
These Cockroaches Mate for Life. Their Secret? Mutual Sexual Cannibalism
Both males and females will munch on each other’s wings after sex, a behavior that may encourage lifelong partnership
How Covid-19 Has Hurt the Effort to Track STDs
As gonorrhea, syphilis and chlamydia have hit their highest marks in decades, many STD contact tracers have shifted to work on the pandemic
These Bats Mask Up to Woo Mates
Male wrinkle-faced bats use a furry neck flap to cover their faces while serenading the opposite sex in never-before-seen behavior
What Raising the Age of Sexual Consent Taught Women About the Vote
Before many women could vote in the United States, they lobbied male legislators to change statutory rape laws and gained political skills in the process
Anglerfish Drop Their Immune Defenses to Find Love
Male anglerfish are major clingers. To avoid mistaking mates as foreign tissue, the deep sea couples lost part of their immune system in evolution
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