Novedades

Mexico Court Ruling Sparks High Hopes for Marijuana Legalization

Mexico's Supreme Court on Wednesday gave the green light to growing marijuana for recreational use in a landmark decision that could lead to legalization in a country with a bloody history of conflict with drug cartels. Supporters of reform sparked up joints to hail the court's decision,...
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Geminid meteor shower begins: watch out for fireballs

The mysterious Geminid meteor shower lights the skies of Earth between 12 and 16 December and is visible from almost anywhere on the planet. This year the peak rate is estimated to be 100-120 meteors per hour, rivalling the August Perseids, which are usually the most spectacular meteor shower of...
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How do hummingbirds thrive in the Andes?

New research finds that hummingbird species living at high altitudes have evolved hemoglobin with enhanced oxygen- binding properties so they can thrive in oxygen-poor environments. This enhanced oxygen-binding property is derived from the same mutations that arose independently in these...
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Manmade global warming: a stormy meeting between sceptics and believers

It was a summit of sorts, but certainly not a meeting of minds: at 10am on 19 November, six of Britain's most eminent climate change scientists entered a wood- panelled committee room in the House of Lords to face the country's most prominent climate change sceptic, Lord Lawson. The scientists had...
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Chinese scientists accused of trying to steal US seed samples

Two agricultural scientists from China have been accused of conspiring to take seeds from a research facility in Kansas and pass them to a Chinese delegation visiting the United States. At a detention hearing in Arkansas on Friday, a judge ordered one of the scientists, Wengui Yan, to remain in...
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Stairwell death case: coroner blames British woman's alcoholism

A woman found dead in a locked stairwell 17 days after she went missing from her room at San Francisco general hospital died accidentally, probably due to a chemical imbalance related to chronic alcohol abuse, the medical examiner's office has said. Lynne Spalding, 57, had been dead for days when...
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Colorado high school gunman shot two students before killing himself

A student carried a shotgun into his Colorado high school on Friday, asked for a teacher by name and then shot two students before killing himself, law enforcement officers said. One student, a teenage girl, was transported in serious condition to hospital, from the scene at Arapahoe High School,...
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Uruguay becomes first country to legalize marijuana trade

Uruguay became the first country to legalize the growing, sale and smoking of marijuana on Tuesday, a pioneering social experiment that will be closely watched by other nations debating drug liberalization. A government-sponsored bill approved by 16-13 votes in the Senate provides for regulation...
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