91色情片

Two mice up on their back legs having at it. The one facing us has its mouth open and teeth visible

Environment

Mice watching movies on iPods prefer action to mouse erotica

If you play them mouse movies, mice spend more time watching the ones showing fights than the videos of mouse sex

Panda watches panda porn

Environment

Five wild animals that won’t do it in cages

Coral spawning

Environment

Playing Cupid to get reluctant corals in the mood for love

Eleanor Bath

Environment

Why does semen make female fruit flies more aggressive?

60 Seconds

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

Environment

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

Humans

Dinosaurs took part in building competitions to attract females

Environment

Take beard inspiration from the amazing styles of other primates

91色情片

US drops lifetime ban on gay men donating blood

Men who have sex with men can now give blood 鈥� as long as they haven't had sex within the last year

Environment

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

91色情片

Obese men found to make sperm with thousands of modified genes

Environment

Howler monkeys have to choose between big balls and big bawls

91色情片

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