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Category: Geology

fish, coral reef, environment, ocean

Meet RangerBot, Out to Save the Great Barrier Reef from Starfish

The Great Barrier Reef faces a number of challenges, many of which can be directly blamed on humans. However, the Crown-Of-Thorns Starfish is one exception – it is a sea creature that merely feeds on healthy coral, posing a threat to the reef. To deal with the problem, researchers at Queensland University of Technology initially …

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Scientist Bio: Marie Tharp: Getting to the Bottom of Things

Before geologist and oceanographer, Marie Tharp, proved them wrong, most scientists believed the ocean’s floor was a smooth, flat, unimpressive expanse. But in 1952, Tharp, a brilliant geologist who had been relocated to a cramped basement office in New York City, because of the superstition that women bring bad luck at sea, she was not …

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hackmanite, winchite

Color Changing Gemstone: Photochromism At Its Finest

You know those Transition eyeglasses that automatically darken in the bright sunlight then return to normal indoors? The process that makes Transition lenses possible is called tenebrescence, otherwise known as reversible photochromism. Tenebrescence is not a man-made invention developed strictly for sunglasses. It occurs naturally. Some minerals, including hackmanite, have the ability to change color …

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