Thoughts of the family tree may not be uppermost in the mind of a person suffering from a slipped disc, but those spinal discs provide a window into our evolutionary past. They are remnants of the first vertebrate skeleton, ...
Evolution
Sep 12, 2014
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(PhysOrg.com) -- The world at large knows koalas as cute, cuddly, lovable iconic animals. The evolutionary biologist, on the other hand, will know them as extremely specialized, endangered animals, the evolutionary history ...
Archaeology
Feb 2, 2010
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(PhysOrg.com) -- People experience the world through five senses but sharks, paddlefishes and certain other aquatic vertebrates have a sixth sense: They can detect weak electrical fields in the water and use this information ...
Plants & Animals
Oct 11, 2011
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(PhysOrg.com) -- A novel X-ray imaging technology is helping scientists better understand how in the course of evolution snakes have lost their legs. The researchers hope the new data will help resolve a heated debate about ...
Archaeology
Feb 7, 2011
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A new study in Science suggests that thrill-seeking is not limited to humans and other vertebrates. Some honey bees, too, are more likely than others to seek adventure. The brains of these novelty-seeking bees exhibit distinct ...
Plants & Animals
Mar 8, 2012
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(Phys.org)—An international team of researchers has found a trove of marine fossils at a North American site that offers evidence of life bouncing back faster than thought after the most devastating mass extinction in Earth's ...
A fossil found by an elk hunter in Montana nearly seven years ago has led to the discovery of a new species of prehistoric sea creature that lived about 70 million years ago in the inland sea that flowed east of the Rocky ...
Archaeology
Apr 13, 2017
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Paleontologists agree that a massive asteroid strike triggered the end of the dinosaurs, but a debate has persisted over the reptiles' overall state at the time of the fateful collision.
Paleontology & Fossils
Dec 25, 2022
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Remember dropping your milk teeth? After a lot of wiggling the tooth finally dropped out. But in your hand was only the enamel-covered crown: the entire root of the tooth had somehow disappeared. In a paper published in Nature, ...
Archaeology
Oct 17, 2016
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The Cambrian explosion marked a major blossoming in the tree of life around 540 million years ago. Nearly all of the major phyla in the animal kingdom appeared in a sudden burst of evolution. One of the drivers of this rapid ...
Archaeology
Jan 7, 2011
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