The Best in Science News and Amazing Breakthroughs
on a road trip for the first time; Australian scientists discover that sperm gets lost in space; and much more!A 20-year mouse study has hit the limits of cloning. Genetic mutations built up after 25 generations, with 58th-gen mice unviable.
"Although serial cloning could not continue beyond the 58th generation , the re-cloned mice remained healthy except G58, raising the possibility that subsequent generations could be produced via sexual reproduction," the authors suggest.Human evolution is transitioning to being driven by culture and technology rather than environment, a controversial study suggests. "When we learn useful skills, institutions, or technologies from each other, we are inheriting adaptive cultural practices. On reviewing the evidence, we find that culture solves problems much more rapidly than genetic evolution. This suggests our species is in the middle of a great evolutionary transition," said cultural evolution researcher Tim Waring of the University of Maine.This relationship stayed consistent across coffee types – ground, instant, and even decaffeinated – and the benefits of coffee consumption were higher for men compared to women.The trap device. CERN transported a truckload of antimatter on Tuesday for the first time ever. The 10-km trip is a major milestone for studying the strange stuff. "The particles are still at the same position," CERN physicist Stefan Ulmer said jubilantly after the drive."Everything went smoothly… It's a very big success."Experiments have shown that human sperm struggle to navigate to an egg in low gravity – a major issue for future human space travel. "We observed a significant reduction in the number of sperm that were able to successfully find their way through the chamber maze in microgravity conditions compared to normal gravity," explains biologist Nicole McPherson from Adelaide University.Remarkably, initial findings showed that in the patients who received the highest doses, 82% saw reductions in their PSA levels – a commonly used measure of prostate cancer.
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