Monday, May 30, 2016

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As much as 35 percent of northern and central Great Barrier Reef dead or dying: scientists

By Colin Packham SYDNEY (Reuters) - Mass bleaching has destroyed as much as 35 percent of the coral on the northern and central Great Barrier Reef, Australian scientists said on Monday, a major blow to the World Heritage Site that attracts about A$5 billion ($3.59 billion) in tourism each year. Australian scientists said in March just seven percent of the entire Great Barrier Reef had avoided any damage as a result of bleaching, and they held grave fears particularly for coral on the northern reef. After further aerial surveys and dives to access the damage across 84 reefs in the region, Australian scientists said the impact of the bleaching is more severe than they had expected.


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As much as 35 percent of northern and central Great Barrier Reef dead or dying - scientists

By Colin Packham SYDNEY (Reuters) - Mass bleaching has destroyed as much as 35 percent of the coral on the northern and central Great Barrier Reef, Australian scientists said on Monday, a major blow to the World Heritage Site that attracts about A$5 billion ($3.59 billion) in tourism each year. Australian scientists said in March just seven percent of the entire Great Barrier Reef had avoided any damage as a result of bleaching, and they held grave fears particularly for coral on the northern reef. After further aerial surveys and dives to access the damage across 84 reefs in the region, Australian scientists said the impact of the bleaching is more severe than they had expected.


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Experimental installations put the social in social science

NEWARK, N.J. (AP) — The truck-size metal container sitting in a downtown park here isn't meant to raise awareness about the global shipping industry, though it may nudge some people's curiosity in that direction.

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Antarctic seas defy global warming thanks to chill from the deep

By Alister Doyle OSLO (Reuters) - A persistent chill in the ocean off Antarctica that defies the global warming blamed for melting Arctic ice at the other end of the planet is caused by cold waters welling up from the depths after hundreds of years, scientists said on Monday. The Southern Ocean off Antarctica may be among the last places on Earth to feel the impact of man-made climate change, with a lag of centuries to affect waters emerging from up to 5,000 metres (16,000 ft) deep, the U.S. study said. Many people who doubt mainstream scientific findings that human use of fossil fuels is warming the planet often point to the paradox of expanding winter sea ice off Antarctica in recent decades and a rapid shrinking of ice in the Arctic.


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Antarctic seas defy global warming thanks to chill from the deep

By Alister Doyle OSLO (Reuters) - A persistent chill in the ocean off Antarctica that defies the global warming blamed for melting Arctic ice at the other end of the planet is caused by cold waters welling up from the depths after hundreds of years, scientists said on Monday. The Southern Ocean off Antarctica may be among the last places on Earth to feel the impact of man-made climate change, with a lag of centuries to affect waters emerging from up to 5,000 meters (16,000 ft) deep, the U.S. study said. Many people who doubt mainstream scientific findings that human use of fossil fuels is warming the planet often point to the paradox of expanding winter sea ice off Antarctica in recent decades and a rapid shrinking of ice in the Arctic.


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Sunday, May 29, 2016

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New incentives needed to develop antibiotics to fight superbugs

By Bill Berkrot NEW YORK (Reuters) - Drugmakers are renewing efforts to develop medicines to fight emerging antibiotic-resistant bacteria, but creating new classes of drugs on the scale needed is unlikely to happen without new financial incentives to make the effort worth the investment, companies and industry experts said. "The return on investment based on the current commercial model is not really commensurate with the amount of effort you have to put into it," said David Payne, who heads GlaxoSmithKline PLC's antibiotics drug group. Other pharmaceutical companies expressed a similar sentiment.


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Saturday, May 28, 2016

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Snorkeling Paradise Inside a Volcano Named Best US Beach

Hanauma Bay's new title represents the third in a streak of winners from the island of Oahu in the annual "Best Beaches" rankings, which are put together annually by Stephen Leatherman, a coastal researcher at Florida International University also known as "Dr. Beach." Leatherman ranks the top 10 public beaches around the United States based on factors ranging from sand softness and wind speeds to wave height and pollution. "Frankly, the United States is blessed with hundreds of wonderful beaches," Leatherman told Live Science.


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Study: Scientists document world's largest known sponge

HONOLULU (AP) — Researchers in Hawaii have been absorbed by a sea creature they discovered last summer, and their findings are pretty big.

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NASA to make second attempt at inflating space station test module

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - Astronauts aboard the International Space Station will try again on Saturday to inflate a novel experimental habitat after the fabric module failed to unfurl as planned earlier this week, NASA officials said on Friday. The Bigelow Expandable Activity Module, or BEAM, was unpacked 10 months later than expected due to launch delays, manufacturer Bigelow Aerospace told reporters on a conference call. The impact was likely most serious on the outer layers, said Lisa Kauke, BEAM deputy program manager at Bigelow.


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Scientists disagree over Zika risk at Brazil's Olympics

One day after a top U.S. health official declared there was no public health reason to cancel or delay this summer's Olympics in Brazil, more than 150 scientists on Friday called for just that, saying the risk of infection from the Zika virus is too high. The scientists, many of them bioethicists, who signed an open letter published online to Dr. Margaret Chan, director-general of the World Health Organization. The letter urged that the Games, due to be held in Rio de Janeiro in August, be moved to another location or delayed.


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Neanderthals Likely Built These 176,000-Year-Old Underground Ring Structures

About 40,000 years before the appearance of modern man in Europe, Neanderthals in southwestern France were venturing deep into the earth, building some of the earliest complex structures and using fire. That's according to new research that more precisely dated bizarre cave structures built from stalagmites, or mineral formations that grow upward from the floor of a cave. Scientists discovered about 400 stalagmites and stalagmite sections that were collected and stacked into nearly circular formations about 1,100 feet (336 meters) from the entrance of Bruniquel Cave, which was discovered in 1990.


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Prototype space station module begins inflating on NASA's second try

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - Astronauts aboard the International Space Station on Saturday slowly inflated an experimental fabric module that may provide a less expensive and safer option for housing crews during long stays in space, a NASA TV broadcast showed. An initial attempt to unfurl the module on Thursday failed, most likely because of friction within the module's layers of fabric, foam and reinforced outer covering, NASA said. "It's a learning process," said NASA mission commentator Dan Huot.


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Friday, May 27, 2016

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Dead or Alive, Schrödinger's Cat Can Be in 2 Boxes at Once

Bizarrely behaving light particles show that the famous Schrödinger's cat thought experiment, meant to reveal the strange nature of subatomic particles, can get even weirder than physicists thought. "We are showing an analogy to Schrödinger's cat that is made out of an electromagnetic field that is confined in two cavities," said study lead author Chen Wang, a physicist at Yale University. The findings could have implications for cracking unsolvable mathematicalproblems using quantum computing, which relies on the ability of subatomic particles to be in multiple states at once, Wang said.


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Can Stomach Botox Injections Help People Lose Weight?

Doctors are considering a new use for Botox: The drug may help obese people lose weight, according to early research. In addition, researchers in earlier studies assumed that Botox, which relaxes muscles, would help people lose weight because it would slow down the rate that the stomach empties itself.

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Vaping Could Make Medical Pot Healthier

A new type of smoking called "cannavaping" — using e-cigarettes for vaping cannabis — may help people use marijuana for medical reasons, according to a small, early study. Smoking conventional marijuana cigarettes may lead a person to inhale high amounts of the toxic contaminants that are released when marijuana is burned, the researchers said. In contrast, cannavaping might provide a way to avoid inhaling high levels of these contaminants, the researchers said.

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Rosetta spacecraft finds key building blocks for life in a comet

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - Scientists for the first time have directly detected key organic compounds in a comet, bolstering the notion that these celestial objects delivered such chemical building blocks for life long ago to Earth and throughout the solar system. The European Space Agency's Rosetta spacecraft made several detections of the amino acid glycine, used by living organisms to make proteins, in the cloud of gas and dust surrounding Comet 67P/Churyumov-Gerasimenko, scientists said on Friday. Glycine previously was indirectly detected in samples returned to Earth in 2006 from another comet, Wild 2.

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