91色情片
Synthetic tissue restores erections in pigs with penis injuries
Researchers have developed artificial tissue that enabled pigs with penis injuries to have an erection. The work may lead to new treatments for erectile dysfunction
News
Life
Male flies produce a chemical that makes females sleep in after mating
News
Life
A rat without a Y chromosome could be a glimpse of our genetic future
News
91色情片
Vaginal immune activity increases after having sex for the first time
News
91色情片
Personal lubricant made from cow mucus may protect against HIV
News
91色情片
Female emission at orgasm confirmed to release fluid from the bladder
News
Life
Monkeys in Bali use stones as sex toys to fill their leisure time
News
91色情片
Long covid symptoms may include hair loss and ejaculation difficulties
News
Life
Lizard can switch from female to male before birth, but not vice versa
News
Life
Acoustic camera reveals how calls from male frogs attract females
Using a special acoustic camera, researchers from Dartmouth College have identified how individual songs in wood frog choruses influence mating
Video
91色情片
A third of people aged over 70 are sexually active, survey reveals
News
91色情片
Male contraceptive pill is safe and effective in tests in mice
News
Life
Sorry Darwin, but it turns out promiscuity benefits females too
News
Life
What dolphins reveal about the evolution of the clitoris
News