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Earth-sized worlds spotted in new advance for exoplanets

Astronomers on Tuesday said that for the first time they had spotted two Earth-sized worlds orbiting a Sun-like star, in another big advance in the search for so-called exoplanets. One of the planets is just three percent bigger than Earth and the other is 13 percent smaller, which would make it…

FDA approves human trials for HIV vaccine

In the battle to prevent HIV, the United States has officially turned to its northern neighbor for a possible solution. The Food and Drug Administration (FDA) announced Tuesday that an HIV vaccine developed by Canadian scientists has been approved for human trials, according to the CBC. Researchers from the University of…

Scientists warn of danger if journals publish killer flu details

Two top scientific journals said Tuesday they were mulling whether to publish details of a man-made mutant killer flu virus that has sparked concerns of mass deaths if it were released. A US government’s science advisory committee urged the US journal Science and the British journal Nature to withhold key details so…

Researchers claim to pinpoint Stonehenge rocks’ origin

The much discussed conversation of where the renowned Stonehenge rocks in Britain came from appears to be over thanks to the work of two archaeologists. According to the BBC Monday, National Museum Wales’ Dr. Richard Bevins and Leicester University’s Dr. Rob Ixer conformed the exact origin of the rocks after…

China orders non-carbon emissions reductions by 2015

China on Tuesday ordered local governments to reduce emissions of “major pollutants” by as much as 10 percent by 2015, amid growing public anxiety over the country’s bad air. Authorities will also start to monitor the smallest and most dangerous airborne pollution, known as PM2.5, in densely populated areas such…

France to order 30,000 women to remove breast implants

French medical authorities will this week tell 30,000 women who received defective breast implants to have them removed after several suspicious cases of cancer, the Liberation newspaper reported on Tuesday. Quoting senior medical officials, the daily said that before the end of the week authorities will ask all women who…

How renewable energy may be Edison’s revenge

LONDON (Reuters) – At the start of the 20th century, inventors Thomas Alva Edison and Nikola Tesla clashed in the “war of the currents.” To highlight the dangers of his rival’s system, Edison even electrocuted an elephant. The animal died in vain; it was Tesla’s system and not Edison’s that…

Maggots speed up cleaning of stubborn wounds

NEW YORK (Reuters Health) – Maggots may trump scalpels when it comes to cleaning large wounds that won’t heal easily, such as those seen in diabetics, according to French researchers. To allow such wounds to heal, doctors usually remove infected or dead tissue with scalpels or enzymes, a process they…

Overstretched U.S. drone pilots face stress risk

WASHINGTON (Reuters) – Flying drone aircraft over Afghanistan from the comfort of a military base in the United States is much more stressful than it might seem, even for pilots spared the sacrifice of overseas deployment and separation from family and friends. America’s insatiable demand for drone technology is taking…

DHEA hormone may help women through menopause: study

LONDON (Reuters) – A hormone called DHEA and mostly secreted by the adrenal glands may be able to help women who are going through menopause and could also give them better sex lives, a study found on Tuesday. Italian researchers writing in the journal of the International Menopause Society, Climacteric,…

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