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Subtle Differences Can Lead to Major Changes in Parasites
March 23, 2012 Researchers have found the subtle genetic differences that make one parasite far more virulent than its close relative. They looked at the evolution of these parasites and found that although their ... > full story -
Runner's High Motivated the Evolution of Exercise, Research Suggests
March 22, 2012 Runners often extol the virtues of the runner's high, but now a team of researchers suggest that the runner's high could have evolved to motivate us to exercise as part of our early long-distance ... > full story -
The Viking Journey of Mice and Men
March 19, 2012 House mice happily live wherever there are humans. When populations of humans migrate the mice often travel with them. New research has used evolutionary techniques on modern day and ancestral mouse ... > full story -
Was Human Evolution Caused by Climate Change?
March 15, 2012 Models of how animal and plant distributions are affected by climate change may also explain aspects of human ... > full story -
Evolutionary Surprise: Developmental 'Scaffold' for Vertebrate Brain Found in Brainless Marine Worm
March 14, 2012 Scientists report finding some of the genetic processes that regulate vertebrate brain development in the acorn worm, a brainless, burrowing marine ... > full story -
Tiny Teeth of Long-Extinct Vertebrate – With Tips Only Two Micrometers Across -- Are Sharpest Dental Structures Ever
March 14, 2012 The tiny teeth of a long-extinct vertebrate -- with tips only two micrometers across: one twentieth the width of a human hair -- are the sharpest dental structures ever measured, new research has ... > full story -
Mystery Human Fossils Put Spotlight on China
March 14, 2012 Fossils from two caves in southwest China have revealed a previously unknown Stone Age people and give a rare glimpse of a recent stage of human evolution with startling implications for the early ... > full story -
Two New Species of Horned Dinosaur Named
March 12, 2012 Two new horned dinosaurs have been named based on fossils collected from Alberta, Canada. The new species, Unescopceratops koppelhusae and Gryphoceratops morrisoni, are from the Leptoceratopsidae ... > full story -
Early Evolution of Life: Study of Ribosome Evolution Challenges 'RNA World' Hypothesis
March 12, 2012 In the beginning -- of the ribosome, the cell's protein-building workbench -- there were ribonucleic acids, the molecules we call RNA that today perform a host of vital functions in cells. And ... > full story -
Extensive Taste Loss Found in Mammals: Feeding Preferences Shaped by Taste Receptors
March 12, 2012 Scientists report frequent loss of sweet taste in mammalian species that are exclusive meat eaters. Further, two sea-dwelling mammals that swallow their food whole have extensive taste loss. Many ... > full story
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