Science

Pterosaurs, ancient flying reptiles that existed about 215 million years ago, were the first vertebrates to take flight using powered flight. Despite their similarities to birds and bats, pterosaurs were a separate branch of the reptile family tree, evolving from rabbit-like creatures. Their ability to fly set them apart from dinosaurs, with whom they coexisted.
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Gratitude is often touted as a key component of a happy and fulfilling life. A recent study conducted by researchers from the Harvard TH Chan School of Public Health suggests that gratitude may also play a role in extending one’s lifespan. The study, which involved nearly 50,000 older nurses in the US, found a correlation
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