udi columbus

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Ancient Ethiopian man's genome illuminates ancestry of Africans

WASHINGTON (Reuters) - DNA extracted from the skull of a man buried 4,500 years ago in an Ethiopian cave is providing new clarity on the ancestry of modern Africans as well as shedding light on an influx of people from the ancient Middle East into the Horn of Africa.<p>The man, dubbed "Mota," became …

Who Buys Ivory? You’d Be Surprised

A new international survey reveals what’s really driving the demand side of the ivory market.<p>The majority of people who buy products made from ivory say they would support banning the sale of ivory.<p>That conflicting sentiment is one of several surprising findings in a new international survey …

Never, Ever Interrupt Mating Giant Tortoises

Changing Planet<p>Run like shell. (Photo by Neil Gelinas)<p>At 183 years old, Jonathan the Aldabra tortoise is the oldest known living animal in the world, and I’ve just had an unexpected encounter with one of his younger relatives here on Assumption Island.<p>I’ve come as leader of the National Geographic …

Zoology

Weird Newfound Dinosaur Had Four 'Wings' & Very Long Tail Feathers, Scientists Say

The largest "four-winged" dinosaur known has been found, and this predator has the longest feathers yet outside of birds, researchers say. This new finding yields insights on how dinosaurs may have flown, the scientists added.<p>The 125-million-year-old feathered dinosaur, named <i>Changyuraptor yangi</i>, …