Newswire Report

Sharks famously replenish their toothy grins with a conveyer belt of gnashers, but it seems they’re not alone. Majungasaurus, a predatory dinosaur that lived in Madagascar 70 million years ago, could replace its teeth just as fast, growing a new tooth in each socket roughly every two months. Reporting their findings in the journal PLOS ONE, a team from Adelphi University and Ohio University examined tiny growth lines, the tooth equivalent of tree rings, in fossil dinosaur teeth. They also scanned fossilized jaws to catch a glimpse of any unerupted…

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From cannibalistic tardigrades to snoozing skeleton shrimp, the winners of the Nikon Small World In Motion Competition have been announced, offering a fascinating glimpse into the rarely seen world of the oh-so-very-small. Now in its ninth year, the Nikon Small World in Motion is the video component of the long-standing Nikon Small World still-photography competition, whose winners were announced back in October. The video arm of the competition was added in 2011 in response to new technology that opened up the field to recording movies or time-lapse photography through a microscopic lens. The…

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