Solving the mystery of the four-headed echidna penis
Monotremes are among the world's strangest animals, mixing mammalian and reptilian characteristics in the one creature.
Evolution
Jun 9, 2021
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News tagged with penis
Researchers find evidence of independent evolution of female penis in cave insects
A team of researchers from Japan, Brazil and Switzerland has found evidence that suggests female penis-like appendages in two types of cave insects evolved independently. In their paper published in the journal Biology Letters, ...
'Penis bones' – an evolutionary puzzle explained using innovative 3-D scanning
For ferrets, sex is a prolonged affair. In total, the act of mating might last up to three hours. Fortunately for the males of the species, they are packing a secret weapon to help them through this daunting task. Some modern ...
Plants & Animals
Sep 20, 2018
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Why some animals still have a penis bone
A team of researchers affiliated with several institutions in the U.K. has found a possible explanation for why some animals still have a penis bone—"prolonged intromission." In their paper published in Proceedings of the ...
Meet the mud dragon—the tiny animal that lives on the beach
You might not know it, but you have probably met the mud dragon before. They live at the beach, hidden in the sand and floating in the shallows.
Plants & Animals
Apr 23, 2018
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Amazon drops sale of circumcision kit in UK after complaint
The British arm of Amazon has dropped sale of a circumcision training kit from its website after concerns were raised.
Business
Dec 20, 2017
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Weaponized penis drives sexual 'arms race' (in beetles)
Evolution works in mysterious ways, especially when it comes to sex.
Plants & Animals
May 24, 2017
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315
An intimate look at the mechanics of dolphin sex
Earth's creatures outwardly display an astonishing diversity of genitalia and mating behavior, but the intricate details of how genitalia interact during copulation has remained largely mysterious. In a new study, researchers ...
Plants & Animals
Apr 23, 2017
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Ancestor of arthropods had the mouth of a penis worm
Imagine a meter long worm with 12 stubby legs and matching sets of flaps running down the body. On the head is a large pair of spiny appendages used for grasping prey that transport victims into a circular mouth with several ...
Archaeology
Sep 26, 2016
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145
It depends on the level of stiffness: Researchers investigate beetle penises
The penis of the thistle tortoise beetle is as long as the beetle itself. Something that initially sounds exciting, can be complicated during mating. This is because the females also have a hyper-elongated sexual organ, which ...
Plants & Animals
Jul 7, 2016
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