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Author: Karen Harris

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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From Slave to Botanist, Professor, and Inventor: George Washington Carver

Born into slavery in 1864, George Washington Carver used his natural scientific curiosity and the power of education to become one of the leading agricultural scientists of his day. He advocated that southern farmers rotate their crops between cotton, which quickly depletes the soil, and peanuts, which added nitrogen to the soil. His concept of …

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mary leakey, louis leakey, palaeontology,

The Leakey Family: Paleontology’s Power Family

No one family is responsible for more scientific paleontology discoveries than the Leakeys. Husband and wife, Louis and Mary, together with their sons, Jonathan and Richard, Richard’s wife, Maeve, and their daughter, Louise, have helped to advance our understand of our ancestors and proven themselves to be the first family of paleontology with their seventy-plus …

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Under Pressure: How The Bends Affects the Human Body

Scuba diving is a great way to explore the ocean’s depths and witness all the wonders the undeseas world has to offer. But it can be dangerous, too, and we aren’t talking about man-eating sharks and killer jellyfish. In fact, this treat doesn’t come from the ocean’s water; it comes from inside your own body. …

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Street Turtle Rescue Squad: Do’s and Don’t’s of Helping a Little Ol’ Turtle Cross the Street

Welcome! Let me be the first to congratulate you on joining the Street Turtle Rescue Squad. The Street Turtle Rescue Squad, or STRS, is an elite team of wildlife rescue personnel completely and solely dedicated to serving the turtle population in your neighborhood. Our work is vital. Without the heroic efforts of the Street Turtle …

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