Central America

John Underkoffler: Pointing to the future of UI

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http://www.ted.com Minority Report science adviser and inventor John Underkoffler demos g-speak — the real-life version of the film’s eye-popping, tai chi-meets-cyberspace computer interface. Is this how tomorrow’s computers will be controlled? TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives ... Read More »

A 12-Year-Old’s Trek of Despair Ends in a Noose at the Border

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Noemi Álvarez Quillay’s death in Mexico was ruled a suicide. Credit José Luis Llivisaca Noemi Álvarez Quillay took the first steps of the 6,500-mile journey to New York City from the southern highlands of Ecuador on Tuesday, Feb. 4, after darkness fell. A bashful, studious girl, Noemi walked 10 minutes across dirt roads that cut through corn and potato fields, reaching the ... Read More »

Chlorine: From toxic chemical to household cleaner

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Few chemicals are as familiar as table salt. The white crystals are the most common food seasoning in the world and an essential part of the human diet. Sodium chloride is chemically very stable – but split it into its constituent elements and you release the chemical equivalent of demons. The process is brutal. Vast amounts of electricity are used ... Read More »

Iran president offers olive branch

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Iran’s president has underscored his moderate policies and outreach to the West during a military parade marking the country’s National Army Day. Hassan Rouhani said today that Iran has no hostile intentions toward anyone in the world, including the United States, which has long been considered an enemy. He said: “We are not after war, we are after logic, we ... Read More »

Entwining Tales of Time, Memory and Love

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The Magus of magical realism, Gabriel García Márquez — who died on Thursday at his home in Mexico City, at the age of 87 — used his fecund imagination and exuberant sleight of hand to conjure the miraculous in his fiction: plagues of insomnia and forgetfulness, a cluster of magical grapes containing the secret of death, an all-night rain of yellow ... Read More »

Animating life: bringing science to the YouTube generation

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Telling science stories often involves explaining complex interactions between a cast of molecular “actors,” on a set smaller than the wavelength of light, so scientists are increasingly using animation to communicate such stories to the broader public. This is part of a global shift in how knowledge is communicated, reflected in the rapid rise of online video content – more ... Read More »

Ant colonies help evacuees in disaster zones

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  An escape route mapping system based on the behavior of ant colonies could give evacuees a better chance of reaching safe harbor after a natural disaster or terrorist attack by building a map showing the shortest routes to shelters and providing regular updates of current situations such as fires, blocked roads or other damage via the smart phones of ... Read More »