11/02/2020

What we learned from dinosaur teeth in North Africa

As dinosaurs go, Spinosaurus is one of the most recognizable: a predator with sharp claws, a long jaw full of teeth, and a big sail on its back. It lived near rivers, hunting for fish, 100 million years ago in a place that's ...

Buried in mud: Wildfires threaten North American water supplies

As rain offers a welcome relief to fire-scorched Australia, concerns over flash floods and freshwater contamination cast a shadow on the joy. Already, massive fish kills have been reported due to heavy ash and sediment in ...

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