Palaeontologists uncovered a strange new dinosaur a few years ago — a crazy, patchwork quilt of a creature dubbed Chilesaurus diegosuarezi. Its bizarre and often conflicting characteristics defied classification, forcing scientists to make an educated guess about its place on the dino family tree. New research suggests the initial attempt…
For years, a debate has raged among scientists as to which ancient creature represents the first true animal, sponges or jellies. Using a new genetic technique, a collaborative team of researchers has concluded that ctenophores — also known as comb jellies — were the first animals to appear on Earth….
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