Scientists found the world's first female 'penises' on cave-dwelling bugs
Thinkstock


Cave-dwelling bugs in Brazil, belonging to the rare Neotrogla genus, set themselves apart in more ways than one, National Geographic reported.
Scientists studying the bugs found that the females possess genitalia structurally and functionally similar to a penis, while the males use a vagina-like opening to distribute their sperm. The researchers published their study in the journal Current Biology.
"It was a surprise for all of us," Rodrigo Ferreira, the study's co-author, said. "This elaborate female penis is completely unique."
Subscribe to The Week
Escape your echo chamber. Get the facts behind the news, plus analysis from multiple perspectives.

Sign up for The Week's Free Newsletters
From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.
From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.
It's also quite fit.
Researchers looking at the copulating insects found the couples mated for an average of 50 hours, with one pairing hitting the 73-hour mark. The scientists said the findings could be used to test different hypotheses about sexual selection and the evolution of genitalia.
A free daily email with the biggest news stories of the day – and the best features from TheWeek.com
Sarah Eberspacher is an associate editor at TheWeek.com. She has previously worked as a sports reporter at The Livingston County Daily Press & Argus and The Arizona Republic. She graduated from Northwestern University's Medill School of Journalism.
-
ICE agents take down Lady Justice | June 21 editorial cartoons
Cartoons Saturday’s political cartoons include ICE, Donald Trump as a lion tamer, and ordering from the Bible
-
5 editorial cartoons about ICE raids
Cartoons Political cartoonists take on ICE raids, harvesting Big Macs for Donald Trump, and what to do when Stephen Miller shows up at the front door
-
Grilled radicchio with caper and anchovy sauce recipe
The Week Recommends Smoky twist on classic Italian flavours is perfect to grill, drizzle and devour
-
Dehorning rhinos sharply cuts poaching, study finds
Speed Read The painless procedure may be an effective way to reduce the widespread poaching of rhinoceroses
-
Breakthrough gene-editing treatment saves baby
speed read KJ Muldoon was healed from a rare genetic condition
-
Sea lion proves animals can keep a beat
speed read A sea lion named Ronan beat a group of college students in a rhythmic dance-off, says new study
-
Humans heal much slower than other mammals
Speed Read Slower healing may have been an evolutionary trade-off when we shed fur for sweat glands
-
Novel 'bone collector' caterpillar wears its prey
Speed Read Hawaiian scientists discover a carnivorous caterpillar that decorates its shell with the body parts of dead insects
-
Scientists find hint of alien life on distant world
Speed Read NASA's James Webb Space Telescope has detected a possible signature of life on planet K2-18b
-
Katy Perry, Gayle King visit space on Bezos rocket
Speed Read Six well-known women went into lower orbit for 11 minutes
-
Scientists map miles of wiring in mouse brain
Speed Read Researchers have created the 'largest and most detailed wiring diagram of a mammalian brain to date,' said Nature