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Humpback whales photographed having sex — and gay sex — for the first time
First Ever Footage of Humpback Whales Having Sex Raises Some Awkward Questions
AI can tell a person's sex from brain scans with 90 per cent accuracy
Self-Love Is Important, but We Mammals Are Stuck With Sex
Female scorpions get stung during sex – and they seem to welcome it
When Will We Finally Have Sex In Space?
The Sex-Obsessed Marsupials That Will Sleep When They’re Dead
Tiny marsupials sacrifice sleep for sex during the breeding season
This Tiny Marsupial Gives Up Sleep for Sex, Then Drops Dead
With just weeks to live, these marsupials prioritize sex over sleep
These Tiny Creatures Become Cannibals After Sex Turns Deadly
Some corals change sex each year so they can find mates
Plastic Waste Is Turning Tiny Marine Animals Off Sex
This Bat Uses Its Oversized Penis as an 'Arm' during Sex
Bat uses its huge penis like an arm during sex
To Understand Sex, We Need to Ask the Right Questions
Do animals know that sex leads to babies?
Sex Appears to Protect Brain Health in Older Adults, Scientists Say
These female frogs fake their own deaths to get out of sex
Mammals may use same-sex sexual behavior for conflict resolution, bonding, and more. It's been observed in at least 51 species of non-human primates.