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DNA analysis of more than 400 skeletons, covering 9 generations, has allowed researchers to map out the relationships within a mysterious warrior clan. The Avars were a warrior culture which lived in the Carpathian Basin in modern-day Hungary about 1,500 years ago. The core of the Avar society was a khagan, a political leader surrounded […]

Scientists have pushed the earliest appearance of bioluminescence among animals back by nearly 300 million years. Bioluminescence is when an organism produces its own light, through chemical reactions in the creature’s body. It occurs in some fungi, bacteria and insects such as fireflies. But it is particularly common among marine vertebrates and invertebrates. Evidence suggests […]