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European ant is the first known animal to clone members of another species

news.ycombinator.com Sophie Berdugo 2025-09-24 11:27:01

The same Iberian harvester ant (Messor ibericus) queen produced the hairy male Messor ibericus (on the left) and the hairless male Messor structor (on the right), despite them being members of distantly related species. Queen ants in southern Europe produce male clones of an entirely different species — tearing up the playbook of reproductive biology and suggesting we need to rethink our understanding of species barriers. The workers in Iberian harvester ant (Messor ibericus) colonies are all

Topics: ants males queens species structor
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Robot Crab Meets Terrible Fate When Its True Nature Is Discovered by Real Crabs

futurism.com Unknown 2025-11-30 15:30:57

Scientists apparently underestimated the aggression of itty-bitty male fiddler crabs when they deployed a friendly robot version during mating season. In a paper published in the journal Proceedings of the Royal Society B, animal behavior researchers from the UK's University of Exeter detailed the embarrassing end to their experiment with "Wavy Dave," a 3D-printed, Bluetooth-controlled crab-bot trained to wave at its fellow crustaceans. Known for having one claw that's much larger than the oth

Topics: dave females fiddler male robot
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Robot Crab Meets Terrible Fate When Its True Nature Is Discovered by Real Crab

futurism.com Unknown 2025-12-01 03:30:57

Scientists apparently underestimated the aggression of itty-bitty male fiddler crabs when they deployed a friendly robot version during mating season. In a paper published in the journal Proceedings of the Royal Society B, animal behavior researchers from the UK's University of Exeter detailed the embarrassing end to their experiment with "Wavy Dave," a 3D-printed, Bluetooth-controlled crab-bot trained to wave at its fellow crustaceans. Known for having one claw that's much larger than the oth

Topics: dave females fiddler male robot
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Researchers get viable mice by editing DNA from two sperm

arstechnica.com Unknown 2026-03-04 15:34:11

For many species, producing an embryo is a bit of a contest between males and females. Males want as many offspring as possible, and want the females to devote as many resources as possible to each of them. Females are better at keeping their options open and distributing resources in a way to maximize the number of offspring they can produce over the course of their lives. In mammals, this plays out through the chemical modification of DNA, a process called imprinting. Males imprint their DNA

Topics: dna eggs females genome offspring
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