Æthelstan, crowned in 925, was the first true king of England but remains overshadowed by Alfred the Great and later rulers. A new biography highlights his military triumphs, legal innovations, and cultural patronage that shaped England’s identity. From the decisive Battle of Brunanburh to his reforms in governance and learning, Æthelstan’s legacy is finally being revived after centuries of neglect.
Read moreDifferent dinosaur groups independently evolved gigantic body sizes, but they all faced the same problems of overheating and damaging their brains.
Read moreA Tyrannosaurus rex could bite hard enough to shatter the bones of its prey. But how it accomplished this feat without breaking its own skull bones has baffled paleontologists. That's why scientists are arguing that the T. rex's skull was stiff much like the skulls of hyenas and crocodiles, and not flexible like snakes and birds as paleontologists previously thought.
Read moreAn evolutionary biologist has spent more than three decades studying the skulls of many species of large carnivores — including wolves, lions and tigers — that lived from 50,000 years ago to the present. She reports today the answer to a puzzling question.
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