Does BPA make mice daughters lazy?

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When female mice are exposed to bisphenol A (BPA), a chemical found in plastics, or to ethinyl estradiol (EE), the estrogen in birth control pills, their daughters exercise less and have slower metabolisms. Both BPA and EE...

Zoom in on metallic glasses to find fractals

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Metallic glasses are very strong and elastic materials that appear with the naked eye to be identical to stainless steel. But metallic glasses differ from ordinary metals in that they are amorphous, lacking an...

A kid’s math ‘self-concept’ predicts test scores

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How strongly children identify with math—their math “self-concept”—can predict how high they will score on a standardized test of math achievement, a new study shows. The study also measured the strength of students’ stereotype that “math...

6 scientific tips to improve your writing

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A new book uses insights into the reading brain to give writers clear-cut, science-based guidelines on how to write anything well, from an email to a multi-million-dollar proposal. Yellowlees Douglas, an associate professor of management communication...

Scientists release first draft of the ‘supertree’ of life

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Scientists have just released a first draft of the “tree of life” for the roughly 2.3 million named species of animals, plants, fungi, and microbes. The tree depicts the relationships among living things as they...

Scientists zoom in on 2 brain cells touching

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A new technique is letting scientists study the exact way two brain cells interact. The work focuses on myelin, the fatty insulator that enables communication between nerve cells. Cellular interactions that trigger the production of...

Low-key chase lets whale sharks gulp tiny prey

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Whale sharks—the largest of the fish—eat truly tiny prey: krill and plankton. To dive to great depths for a good meal, they’ve evolved ways of swimming and diving that use as little energy as...

Diving whales offer clues to making synthetic blood

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Deep-diving whales can remain active while holding their breath for up to two hours. Figuring out how they do it may help scientists create lifesaving synthetic blood for human trauma patients. For a new study,...

Coal burns cleaner when you add oat hulls

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Scientists wondered what would happen if you burned biomass in a controlled environment, such as in a power plant, that at least partially replaces using a fossil fuel. To find out they examined practices...

Teeth link ‘Darwinius’ fossil to lemurs not monkeys

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The fossil Darwinius is the best preserved primate known to exist. The scientists who discovered it thought the 47-million-year-old fossil was closely related to squirrel monkeys. But a new examination of the sequence in which adult teeth come in—known as dental...
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