Earth News, Earth Science, Energy Technology, Environment News

March 04, 2014

New insights into the origin of birds
Bristol, UK (SPX) Mar 04, 2014
Mark Puttick and colleagues investigated the rates of evolution of the two key characteristics that preceded flight: body size and forelimb length. In order to fly, hulking meat-eating dinosaurs had to shrink in size and grow much longer arms to support their feathered wings. "We were really surprised to discover that the key size shifts happened at the same time, at the origin of Paraves," said Mr Puttick of Bristol's School of Earth Sciences. "This was at least 20 million years before the first ... read more

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No warming hiatus for extreme hot temperatures Extremely hot temperatures over land have dramatically and unequivocally increased in number and area despite claims that the rise in global average temperatures has slowed over the past 10 to 20 ye ... more		Wits scientists debunk climate change myths Wits University scientists have debunked two big myths around climate change by proving firstly, that despite predictions, tropical storms are not increasing in number. However, they are shifting, a ... more		Planet hunter sharpens eye surgery Physicians in the Netherlands have turned to expertise from a planet-hunting telescope to steady their surgical microscope and save the sight of people threatened by blindness. Doctors at the ... more
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