Wind, humidity and rainfall combined precisely to create Monday's massive killer tornado in Oklahoma. The awesome amount of energy released dwarfed the power of the atomic bomb that leveled Hiroshima.
14 hours ago
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Tornados, among the most violent of atmospheric storms, rarely reach the size and brutality of the twister that swept through an Oklahoma City suburb on Monday, experts say.
19 hours ago
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When infections occur in the body, stem cells in the blood often jump into action by multiplying and differentiating into mature immune cells that can fight off illness. But repeated infections and inflammation ...
18 hours ago
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(Phys.org) —Grapefruits have long been known for their health benefits, and the subtropical fruit may revolutionize how medical therapies like anti-cancer drugs are delivered to specific tumor cells. University ...
19 hours ago
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The Senate dragged Apple Inc., the world's most valuable company, into the debate over the U.S. tax code Tuesday, grilling CEO Tim Cook over allegations that its Irish subsidiaries help the company avoid ...
17 hours ago
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(Phys.org) —Northwestern University researchers have developed a new method for delivering molecules into single, targeted cells through temporary holes in the cell surface. The technique could find applications ...
19 hours ago
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Rice University scientists have unveiled a robust new method for arranging metal nanoparticles in geometric patterns that can act as optical processors that transform incoming light signals into output of ...
19 hours ago
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(Phys.org) —Two tech talents, formerly employees at video game publisher Valve, have been working on their own vision in the form of game-ready glasses. Their company, Technical Illusions, will seek to ...
20 hours ago
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Positively charged gold nanoparticles are usually toxic to cells, but cancer cells somehow manage to avoid nanoparticle toxicity. Mayo Clinic researchers found out why, and determined how to make the nanoparticles effective ...
20 hours ago
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14 species of crocodile lived in South America around 5 million years ago, at least seven of which populated the coastal areas of the Urumaco River in Venezuela at the same time. Paleontologists from the ...
21 hours ago
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(Phys.org) —In Antarctica in January, 2013 – the summer at the South Pole – scientists released 20 balloons, each eight stories tall, into the air to help answer an enduring space weather question: ...
14 hours ago
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American teenagers are sharing more information about themselves on social media sites, but taking steps to protect their privacy online, a study showed Tuesday.
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US online giant Amazon has unveiled plans for a futuristic greenhouse style headquarters "where employees can work and socialize in a more natural, park-like setting."
14 hours ago
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