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Biggest spike ever in global warming gases: U.S.

Harmful carbon emissions from burning fossil fuels made their biggest ever annual jump in 2010, according to the US Department of Energy’s latest world data released this week. China led the way with a spike of 212 million metric tons of carbon in 2010 over 2009, compared to 59 million…

Federal medical marijuana patient: Cannabis worked a ‘miracle’ for me

LOS ANGELES — In 1988, Elvy Musikka (pictured, left) became the first woman in the United States to be legally permitted by the federal government to smoke marijuana for medicinal purposes, due to a case of Glaucoma that threatened to render her blind. Armed with a mountain of paperwork, a…

UN pushes energy projects to stop deforestation in the Congo

Forest conservation is a major challenge for the Democratic Republic of Congo, the world’s second biggest green lung after the Amazon, amid a paucity of energy production and renewable alternatives. The country’s massive tropical forest, four times the size of France, covers some 1.55 million square kilometres (600,000 square miles),…

Giant crack glimpsed in Antarctic ice sheet

A massive crack is growing wider in the Antarctic ice sheet and could break apart in the coming months, forming an iceberg the size of New York City, NASA scientists warned on Thursday. The crack in western Antarctica’s Pine Island Glacier stretches for at least 18 miles (30 kilometers) and…

Moscow ‘Mars mission’ ends after 520 days

Six volunteers on Friday stepped out into the outside world after spending the last one-and-a-half-years locked away in an isolation module in Moscow to simulate the effects of a return trip to Mars. The multi-national crew showed no ill effects after emerging from the capsule where they had lived and…

Skulls of new pre-historic mammal found in Argentina

BUENOS AIRES — A team of paleontologists showed reporters skulls of a rat-like mammal that lived when dinosaurs still roamed the earth and was recently discovered in southern Argentina. The creature, one of the few mammals discovered in South America from the time of the dinosaurs, was between 10 and…

Study: Medical marijuana does not increase use among youth

The legalization of medical marijuana in Rhode Island in 2006 did not increase its use among teenagers, according to research presented at the American Public Health Association Annual Meeting and Exposition on Wednesday. The study was led by Rhode Island Hospital physician Esther Choo. The finding directly contradicts White House…

Asteroid set to barely miss Earth Tuesday

A massive asteroid will make a rare fly-by Tuesday, and although it poses no danger of crashing to Earth, US scientists said this week they are looking forward to getting a closer look. “This is not a potentially hazardous asteroid, just a good opportunity to study one,” said National Science…

Time for change? GMT could be history

Leading scientists from around the world are meeting from Thursday to consider a proposal that could eventually see Greenwich Mean Time relegated to a footnote in history. For more than 120 years GMT has been the international standard for timekeeping, but it is now under threat from a new definition…

NASA: Martians probably lived underground, if at all

According to a new study conducted by NASA, the presence of abundant water on the surface of Mars was short lived, meaning any lifeforms probably lived within the planet and not on it. In 2005, scientists discovered clay deposits on Mars’ surface that indicated the presence, at one point, of water…

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