Modern humans evolved a 'selfish' X chromosome after some left Africa, which may have promoted its spread by killing sperm carrying Y chromosomes. However, Y chromosomes could have evolved counter mechanisms
The performance of image-generating AIs drops when trained using images previously created by other AIs, which may create problems for them given the proliferation of these imagesAlgorithms can pore over astrophysical data to identify underlying equations.
Now, physicists are trying to figure out how to imbue these “machine theorists” with the ability to find deeper laws of natureAfter blasting off on the enormous Space Launch System rocket, NASA's Orion capsule has flown within 130 kilometres of the lunar surface as it prepares to enter orbitIn adult mice, psychedelic drugs including LSD, ketamine and psilocybin have been shown to reopen the brain to a critical window for social learning usually only seen in...
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