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How the Whale Got Its Teeth: Scientists Explore Development of Unique Dentition of 'Toothed Whales'
February 19, 2013 — Whales are mammals, but they don't look like the mammals living around us, as they have a triangular fluke for tail, no hind legs and no body hair. And inside their mouths, their teeth are unfamiliar ... > full story -
Ancient Teeth Bacteria Record Disease Evolution
February 17, 2013 — DNA preserved in calcified bacteria on the teeth of ancient human skeletons has shed light on the health consequences of the evolving diet and behavior from the Stone Age to the modern ... > full story -
'The Scars of Human Evolution': Physical Fallout from Two-Footed Walking
February 17, 2013 — From sore feet to backaches, blame it on human ... > full story -
Being Overweight Linked to Higher Risk of Gum Disease
February 6, 2013 — Affecting approximately one-third of the U.S. population, obesity is a significant health concern for Americans. It's a risk factor for developing type 2 diabetes, heart disease, and certain forms of ... > full story -
Gum Disease Found to Worsen Infection in Animal Model of AIDS
January 31, 2013 — Scientists have found that moderate gum disease in an animal model exposed to an AIDS- like virus had more viral variants causing infection and greater inflammation. Both of these features have ... > full story -
Tooth Development and Weaning in Chimpanzees Not as Closely Related as Once Thought
January 28, 2013 — Using a first-of-its-kind method, scientists have used digital photographs to show that, after the eruption of their first molar tooth, many juvenile chimps continue to nurse as much, if not more, ... > full story -
Berries May Be Healthful, but Some Health Benefits of Berries May Not Make It Past Your Mouth
January 28, 2013 — For the first time, scientists have exposed extracts from numerous berries high in healthy pigments to human saliva to see just what kinds of health-promoting substances are likely to survive and be ... > full story -
More Small Meat-Eating Dinosaurs Than Thought
January 23, 2013 — Researchers used fossilized teeth to identify at least 23 species of small meat-eating ... > full story -
Beta-Catenin Molecule Is Required for Tooth Root Formation
January 23, 2013 — The tooth root, together with the surrounding periodontium, maintains the tooth in the jaw. The root develops after the crown forms, a process called morphogenesis. While the molecular and cellular ... > full story -
New Research Throws Doubt on Earlier 'Killer Walrus' Claims
January 17, 2013 — Palaeontologists who examined a new fossil found in southern California have thrown doubt on earlier claims that a "killer walrus" once ... > full story
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