sparks

African wild dogs with pleading eyes sparks rethink of dog evolution

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“Puppy-dog eyes didn’t just evolve for us, in domestic dogs,” says comparative anatomist Heather Smith. Her team’s work has thrown a 2019 finding1 that the muscles in dogs’ eyebrows evolved to communicate with humans in the doghouse by showing that African wild dogs also have the muscles to make the infamous pleading expression. The study … Read more

Did ‘alien’ debris hit Earth? Startling claim sparks row at scientific meeting

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Avi Loeb and his team say that metallic balls found near Papua New Guinea could be of extraterrestrial origin.Credit: Avi Loeb’s photo collection The Woodlands, Texas A sensational claim made last year that an ‘alien’ meteorite hit Earth near Papua New Guinea in 2014 got its first in-person airing with the broader scientific community on … Read more