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Articles on Fossils

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Artist’s illustration of Bullerichthys, a placoderm fish that could resorb its teeth like modern bony fishes do. Brian Choo & Peter Schouten

Many animals can reshape and shed their teeth – and now scientists have traced this ability back 380 million years

A new study of ancient, extinct fish known as placoderms provides another piece of the evolutionary puzzle about our deep time, aquatic ancestors.
Hobbits are exceptions to the rule that older ancient humans had proportionally larger wisdom teeth and smaller brains. Jim Watson/AFP via Getty Images

Hobbits of Flores evolved to be small by slowing down growth during childhood, new research on teeth and brain size suggests

New research on the size relationship between brains and wisdom teeth suggests that bigger brains aren’t necessarily the driving force in human evolution.
A Gorgosaurus dinosaur skeleton, the first to be offered at auction, at Sotheby’s New York on July 5, 2022. (AP Photo/Julia Nikhinson)

Fossils are scientific evidence, and shouldn’t be auctioned for millions to private buyers

Dinosaur fossils are sold for millions to private collectors. These fossils are scientific evidence, and need to be accessible for research and public education.
Proteins were taken from the enamel of this Paranthropus robustus’ tooth. Courtesy Dr. Bernhard Zipfel, with permission from Dr. Lazarus Kgasi, junior curator of Plio-Pleistocene Paleontology at Ditsong National Museum of Natural History in Pretoria, South Africa.

New clues from 2 million-year-old tooth enamel tell us more about an ancient relative of humans

Researchers have extracted 2-million-year-old protein remains from Paranthropus robustus teeth to reveal biological sex and genetic variability.

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