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Overall, winters may become milder as the planet warms, but this season has been a stunningly cold outlier for eastern North America. Yesterday (March 4), the Great Lakes hit 91 percent ice cover, according to the Great Lakes Environmental Research Laboratory. Except for Lake Ontario, nearly all the Great Lakes are frozen stiff, just like everyone on the East Coast. In fact, if the months of below-normal temperatures and freezing winds persist, the Great Lakes could meet or break their 1973 record, the lab said.
By Will Dunham WASHINGTON (Reuters) - In Europe 150 million years ago, this dude was the biggest, baddest bully in town. Two scientists in Portugal announced on Wednesday that they have identified the largest carnivorous dinosaur ever found in Europe, a 33-foot-long (10-meter-long) brute called Torvosaurus gurneyi that was the scourge of its domain in the Jurassic Period. "It was indeed better not to cross the way of this large, carnivorous dinosaur," said paleontologist Christophe Hendrickx of Universidade Nova de Lisboa and Museu da Lourinhã in Portugal.
For the first time, astronomers have directly measured how fast a black hole spins, clocking its rotation at nearly half the speed of light. The distant supermassive black hole would ordinarily be too faint to measure, but a rare lineup with a massive elliptical galaxy created a natural telescope known as a gravitational lens that allowed scientists to study the faraway object. "The gravitational lens is crucial," study co-author Mark Reynolds of the University of Michigan told Space.com via email.."Without this, we would not be able to collect X-ray photons to measure the spin of a black hole that is so distant." [The Strangest Black Holes in the Universe] Quasars, the most luminous objects in the universe, shine brightly across vast distances, fed by material that falls into their black holes.
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