Archive for March 23rd, 2017:

Dinosaur crater’s clue to origin of life

Image copyright Tim Peake/Nasa/ESA Image caption The crater is buried partly offshore and partly onshore, under Mexico’s Yucatan Peninsula The crater made by the asteroid that killed off the dinosaurs is revealing clues to the origins of life on Earth. Scientists have drilled into the 200km-wide Chicxulub crater now buried under the Gulf of Mexico.

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Major shake-up suggests dinosaurs may have ‘UK origin’

Image copyright Millard H. Sharp Image caption The shake-up means savage, meat-eating dinosaurs such as Tyrannosaurus rex get reclassified The first dinosaurs may have originated in the Northern Hemisphere, possibly in an area that is now Britain. This is one of the conclusions of the first detailed re-evaluation of the relationships between dinosaurs for 130

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‘New’ wave-like cloud finally wins official recognition

Image copyright Gary McArthur Image caption The wavy ridges of the rare asperitas cloud Twelve “new” types of cloud – including the rare, wave-like asperitas cloud – have been recognised for the first time by the International Cloud Atlas. The atlas, which dates back to the 19th Century, is the global reference book for observing

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© Warren Fyfe