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Dimetrodon rendering
2014-09-05 05:17:41

Chuck Bednar for redOrbit.com - Your Universe Online Originally believed to have occurred around the same time that mammals evolved some 200 million years ago, researchers from the Field Museum of Natural History in Chicago now report that the transition to nocturnal behavior actually occurred more than 100 million years earlier. Previous theories regarding nocturnal behavior were based on the large brains of mammals, which allow them to better process information from senses such as...

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2011-04-15 05:55:00

A new study by researchers at University of California-Davis finds that velociraptors had night vision that helped them stalk their prey at night. The study reverses conventional wisdom that dinosaurs were active by day while early mammals scurried around at night, said Ryosuke Motani, professor of geology at UC Davis and co-author of the report. "It was a surprise, but it makes sense," he said. Plant-eating dinosaurs also had some limited night vision, likely to satisfy their round the clock...


Word of the Day
cruet
  • A vial or small glass bottle, especially one for holding vinegar, oil, etc.; a caster for liquids.
This word is Middle English in origin, and ultimately comes from the Old French, diminutive of 'crue,' flask.
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