Photos: Colorful Glacier Algae Aristotle First Spotted May Be Trouble
Multicolored algae have bloomed on glaciers since the Ice Age, but scientists think the patches of pink, purple, and green snow are getting bigger.
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Multicolored algae have bloomed on glaciers since the Ice Age, but scientists think the patches of pink, purple, and green snow are getting bigger.
Beavers love the warming Arctic, so they're re-landscaping it. Their dams change Alaska's lakes and rivers so much you can see it from space.
Without satellite navigation, rockets can't navigate to the moon without ground control, which is costly, cumbersome, and requires a lot of math.
Turtles have a slow, quiet reputation. But researchers put a microphone in the water with 50 turtle species, and they all made a variety of noises.
Earth and Mars are similar sizes, but the average person could throw a ball much, much farther on the red planet, clearing the length of a plane.