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Astronauts in spacewalk to try to fix space station ammonia leak

he International Space Station’s crew set off on a precedent-setting spacewalk Saturday to try to stop ammonia leaking into space from the research laboratory’s power system. During the spacewalk, NASA astronauts Tom Marshburn and Chris Cassidy were to try to inspect and possibly repair the ammonia leak that affected the…

Predator Ariel Castro and the psychology of violence

The case of Ariel Castro has shocked the world – but experts fear many crimes of kidnapping and sexual slavery go undetected The annals of criminal history are writ large with ordinary streets that hide dark secrets, but even so the peculiar horror believed to have been perpetrated by Ariel…

Slippery eel population slipping as demand for delicacy grows

Cupping a tiny, translucent eel in the palm of his hand, New York environmental researcher Chris Bowser shook his head in amazement. “This is worth about one dollar,” he said. As every spring, baby eels — big black eyes at the end of bodies the size of earthworms — are…

Seminarian expelled for being gay became a sperm donor for lesbians constrained by anti-gay donation rules

Markus K. didn’t set out in life to father 24 children. He set out to be a priest — but that dream came to an end in 1994, when someone reported to his seminary that he was gay, and they threw him out. He told Munich’s Abenzeitung, “My life hit…

Plants use underground fungus network to send ‘distress signals’ to each other

British researchers released a study on Thursday saying that plants can communicate with each other by using an underground network of fungi. According to the BBC, the study, published in the journal Ecology Letters, said that plants signal each other when they are under attack by aphids to that other…

Australian sky-gazers witness ‘ring of fire’ annular solar eclipse

Sky-gazers were treated to an annular solar eclipse in remote areas of Australia on Friday, with the Moon crossing in front of the Sun to leave a “ring of fire” around its silhouette. The eclipse, which occurs when the Moon passes between the Earth and the Sun but is too…

Meteorite crater reveals future of a globally warmed world

Lake sediments recorded the climate of the Arctic during the last period when CO2 levels were as high as today The future of a globally warmed world has been revealed in a remote meteorite crater in Siberia, where lake sediments recorded the strikingly balmy climate of the Arctic during the…

Traces of water in moon came from Earth: study

Lunar rocks brought home by US astronauts contain droplets of water chemically identical to that on ancient Earth Traces of water inside the moon were inherited from ancient Earth, according to a fresh analysis of lunar rocks brought home by US astronauts. The findings make for a clearer picture of…

Researchers develop new tool in HIV vaccine fight

US researchers have developed a new test to identify antibodies capable of fighting most strains of HIV, the virus that causes AIDS, in a breakthrough that could accelerate the hunt for a vaccine. A report published in the journal Science on Thursday said that scientists at the National Institute of…

Scientists infect mosquitos with bacteria to curb malaria transmission

US scientists have found a way to infect mosquitoes with bacteria in order to break the chain of malaria transmission, according to research published Thursday in a leading scientific journal. A similar approach has helped cut back on dengue in some locations, and researchers hope that the findings could offer…

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