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Birch Mouse Ancestor Discovered in Inner Mongolia Is New Species of Rare 'Living Fossil'
May 24, 2011 — Fossils from Inner Mongolia are a new species of birch mice, Sicista primus. This significantly extends the geologic history of the rodent family that includes jumping mice. The teeth from sediments ... > full story -
Sniff Sniff: Smelling Led to Smarter Mammals, Researchers Say
May 19, 2011 — A rose by any other name would smell as sweet; the saying is perhaps a testament to the acute sense of smell that is unique to mammals. Paleontologists have now discovered that an improved sense of ... > full story -
On Prehistoric Supercontinent of Pangaea, Latitude and Rain Dictated Where Species Lived
May 12, 2011 — More than 200 million years ago, mammals and reptiles lived in their own separate worlds on the supercontinent Pangaea, despite little geographical incentive to do so. Mammals lived in areas of ... > full story -
Sticking Their Necks out for Evolution: Why Sloths and Manatees Have Unusually Long (or Short) Necks
May 5, 2011 — As a rule all mammals have the same number of vertebrae in their necks regardless of whether they are a giraffe, a mouse, or a human. But both sloths and manatees are exceptions to this rule having ... > full story -
Missouri Elk Are Being Reintroduced in the Wrong Part of the State, Anthropologist Says
April 28, 2011 — According to prehistoric records, elk roamed the northwestern part of Missouri, U.S. until 1865. Now, the Missouri Department of Conservation is planning to reintroduce elk, but this time in the ... > full story -
Fossil Sirenians, Related to Today's Manatees, Give Scientists New Look at Ancient Climate
April 21, 2011 — What tales they tell of their former lives, these old bones of sirenians, relatives of today's dugongs and manatees. And now, geologists have found, they tell of the waters in which they swam. While ... > full story -
Discovery Identifies Elaborate G-Protein Network in Plants
April 21, 2011 — The most elaborate heterotrimeric G-protein network known to date in the plant kingdom has just been ... > full story -
Right-Handedness Prevailed 500,000 Years Ago
April 19, 2011 — Markings on fossilized front teeth show that right-handedness goes back a half-million years in the human ... > full story -
Long-Sought Fossil Mammal With Transitional Middle Ear
April 13, 2011 — A new, complete fossil turns what's known about the evolution of early mammals on its ear. The specimen shows the bones associated with hearing in mammals -- the malleus, incus and ectotympanic -- ... > full story -
Did Dinosaurs Have Lice? Researchers Say It's Possible
April 5, 2011 — A new study louses up a popular theory of animal evolution and opens up the possibility that dinosaurs were early -- perhaps even the first -- animal hosts of ... > full story
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