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Thursday, October 8, 2015

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The Moon Goes Visiting: Bright Views in This Week's Early Morning Sky

Just before dawn, you'll be able to view four bright planets. Venus, as usual, is the brightest of the bunch, with Jupiter close behind. Mars and Mercury are more challenging, and you may need binoculars to spot them.

For Stargazers' Delight, Uranus and Neptune: The Most Distant Planets

It's officially autumn, and time once again to seek out the two most distant planets of our solar system, Uranus and Neptune. Uranus, in fact, can be seen with just your unaided eyes under a dark, clear sky — if you know where to look. Interestingly, although the planet Uranus can be glimpsed with the unaided eye under favorable conditions, its presence was unknown until March 13, 1781, when William Herschel discovered it by accident using a 6-inch reflecting telescope.

US Spysat Launch Early Thursday to Carry Fleet of Tiny Cubesats: Watch Live

An American spy satellite will blast off early Thursday morning (Oct. 8), taking 13 tiny "cubesats" along for the ride, and you can watch all the action live.

El Niño brings welcome rains to Chile's farmers, ski resorts

By Rosalba O'Brien SANTIAGO (Reuters) - After eight years of drought which left fields parched and ski resorts dry, a burst of wet weather, likely triggered by the El Niño phenomenon, has been welcomed in central Chile. August and September in Chile have both seen higher amounts of rain than average for the Southern Hemisphere spring, with capital Santiago's normally blue skies replaced with a grey pall and brown lawns turning a vibrant green. There is growing consensus among global weather forecasters that this year is seeing a strong El Niño, a warming of sea-surface temperatures in the Pacific that can lead to hot, dry weather in Asia and rains in South America.

Nobel discoveries on DNA repair now fueling cancer drug research

When deoxyribonucleic acid (DNA) repair mechanisms fail, they predispose people to cancer. Modrich, Tomas Lindahl and Aziz Sancar won the prize for "mechanistic studies of DNA repair." Their work mapped how cells repair DNA to prevent damaging errors from appearing in genetic information. Subsequent work by Dr. Bert Vogelstein of the Johns Hopkins Kimmel Cancer Center and Richard Kolodner, then at Harvard Medical School and currently at the University of California, San Diego, showed mismatch repair defects are the chief cause of the most common inherited form of colorectal cancer, affecting 15 percent of colon cancer patients.

Supercharged Auroras May Be Visible Across Northern US Tonight

A geomagnetic storm kicked up by high-speed solar wind should amplify the northern lights tonight — making them potentially visible as low as Pennsylvania, Iowa and Oregon as the storm intensifies, space weather experts say. According to an Oct. 7 alert from the National Oceanic and Atmospheric Administration's (NOAA) Space Weather Prediction Center in Boulder, Colorado, the storm will range from strong to extreme, reaching a G3 or greater on NOAA's scale and a K-index of 7 or greater. If you live in the potential visibility area, the best way to see the northern lights is to be well away from city lights in an area with extremely dark skies.

Sizzling Longevity: World's Oldest Person Eats Bacon Daily

Could it be that a few slices of bacon a day keep the doctor away? The world's oldest living person, Susannah Mushatt Jones of Brooklyn, New York, recently said that she eats a serving of bacon every day. Jones, who turned 116 on July 6 and was crowned the world's oldest living person by Guinness World Records that month, confessed her bacon habit in an interview published this week on the New York Post's site Page Six.

Girl Develops Acute Hepatitis After Drinking Unusual Green Tea

A mysterious green tea drink likely caused a healthy teenage girl in the U.K. to develop an acute case of hepatitis, according to a new report of the girl's case. Jaundice is a yellowing of the skin, and is often a sign of liver problems. "I had only lost a couple of pounds, but then started having horrible pains in my joints, and felt very dizzy and sick," the girl said, writing in the "patient perspective" section of the case report.

Breast-Feeding Mothers Gain Support in Hospitals

Breast-feeding mothers are now getting more support from hospitals, according to a new report from the Centers for Disease Control and Prevention (CDC). In 2013, over half of the hospitals in the United States were meeting at least five of 10 common recommendations for hospitals to support breast-feeding, up from 29 percent of hospitals that met that many recommendations in 2007. Breast-feeding is the most effective way for babies to get the best nutrition, and hospitals play a major role in supporting moms who want to breast-feed, Dr. Tom Frieden, director of the CDC, said at a news conference today (Oct. 6).

Scientists call for urgent trials to judge flu drugs for pandemics

By Kate Kelland LONDON, Oct 8 (Reuters) - - Scientists still don't know if two commonly-used flu drugs -- Roche's Tamiflu and GlaxoSmithKline's Relenza -- really work in seasonal or pandemic flu outbreaks and say robust clinical trials are urgently needed to find out. While such medicines are stockpiled by governments around the world and were widely used in the 2009/2010 H1N1 "swine flu" pandemic, no randomised trials were conducted then, so evidence is scant on how effective that approach was. Publishing a report on the use of such antiviral drugs - known as neuraminidase inhibitors - against flu, experts co-led by Wellcome Trust director Jeremy Farrar said this had been a huge wasted opportunity and one that should not happen again.

Bariatric Surgery May Increase Risk of Self-Harm

People who undergo bariatric surgery to help them lose weight may face an increased risk of self-harming behaviors in the two to three years following the surgery, a new study from Canada reports. In the study, researchers looked at more than 8,800 people who'd had weight-loss surgery, monitoring them for three years before their surgery and three years after their operation. There were 62 reports of self-harm in the three years prior to people's surgeries, compared with 96 reports of self-harm in the three-year period after these people had weight-loss surgery — an increase of 54 percent.

Online Ads Could Help Deliver Important Health Messages

Those pesky ads that show up in Internet searches might have a new use — to deliver public health messages that aim to prevent cancer, a new study suggests. In the study, researchers used the online advertising service Google Ads to create advertisements aimed at preventing skin cancer linked to indoor tanning. The ads contained warnings about the harms of tanning beds, and directed people who clicked on them to information from the Centers for Disease Control and Prevention.

Beating parasites wins three scientists Nobel prize for medicine

By Simon Johnson and Ben Hirschler STOCKHOLM/LONDON (Reuters) - Three scientists from Japan, China and Ireland whose discoveries led to the development of potent new drugs against parasitic diseases including malaria and elephantiasis won the Nobel Prize for Medicine on Monday. Irish-born William Campbell and Japan's Satoshi Omura won half of the prize for discovering avermectin, a derivative of which has been used to treat hundreds of millions of people with river blindness and lymphatic filariasis, or elephantiasis. China's Tu Youyou was awarded the other half of the prize for discovering artemisinin, a drug that has slashed malaria deaths and has become the mainstay of fighting the mosquito-borne disease.

Nobel prize for solving puzzle of ghostly neutrino particles

By Simon Johnson and Ben Hirschler STOCKHOLM/LONDON (Reuters) - A Japanese and a Canadian scientist won the 2015 Nobel Prize for Physics on Tuesday for discovering that elusive subatomic particles called neutrinos have mass, opening a new window onto the fundamental nature of the universe. Neutrinos are the second most bountiful particles after photons, which carry light, with trillions of them streaming through our bodies every second, but their true nature has been poorly understood. Takaaki Kajita and Arthur McDonald's breakthrough was the discovery of a phenomenon called neutrino oscillation that has upended scientific thinking and promises to change understanding about the history and future fate of the cosmos.

Extinct Hippolike Creature Was Prehistoric Vacuum Cleaner

Fossils of the newfound species — found on the Aleutian Islands' Unalaska, the location of the popular reality TV show "Deadliest Catch" — show that it had a long snout and tusks. Its unique tooth and jaw structure indicates it was a vegetarian, said study co-author Louis Jacobs, a vertebrate paleontologist at Southern Methodist University in Texas. "They were marine mammals, but they were not completely marine, like whales," Jacobs said in a video about his research.

Prolific Comet Hunter David Levy Donates Astronomy Logs

A prolific comet hunter has donated almost 60 years' worth — and counting! — of historic observation logs to be pored over by the public. Only one of David Levy's 18,500 recorded skywatching sessions contains the time he first spotted what would be named Comet Shoemaker-Levy 9, which later played a part in the first solar system collision humanity ever witnessed as it tore apart and barreled into Jupiter. Now, he's donated all 25 of those logs to the Linda Hall Library in Kansas City, Missouri — the world's largest independently funded library devoted to science, engineering and technology — and promises more to come, just as soon as he writes them.

Hacking the Cosmos: Event Hopes to Solve Complex Data Challenges

Last week, astronomers, astrophysicists, data scientists and programmers came together at New York University to try to solve some of astronomy's toughest problems — in just five days. To deal with the huge complexity of data and simulation in astronomy today, many researchers are turning to data scientists and programmers for inspiration — or becoming programmers themselves. "Many of the projects [that] people are working on didn't exist before, let's say, a week ago," said Phil Marshall, a staff scientist at the SLAC National Accelerator Laboratory at Stanford University in California and one of Astro Hack Week's organizers.

Atlas rocket blasts off with U.S. spy satellite and 13 mini: satellites

By Irene Klotz CAPE CANAVERAL, Fla. - An unmanned Atlas 5 rocket blasted off from California on Thursday to put a classified spy satellite and 13 tiny experimental spacecraft into orbit for the U.S. government. The rocket, built and flown by United Launch Alliance, a partnership of Lockheed-Martin and Boeing, lifted off from a seaside launch pad at Vandenberg Air Force Base at 8:49 a.m. EST, a live ULA webcast showed. The rocket's primary cargo, owned by the National Reconnaissance Office (NRO), was not disclosed.

Supersonic Planes 'Paint' Gorgeous Shock Waves in the Sky (Photos)

A new technique has captured images of the sonic waves that form when planes break the sound barrier. The new images could one day help engineers design quieter supersonic planes by identifying the regions where a shock wave produces the most noise.

Migraines May Begin Deep in the Brain

Blocking a single neurotransmitter in the brain may stop the firing of the nerves that are linked with migraine headaches, a new study in animals suggests. In experiments, researchers looked at the effects of two vasodilators — which are medicines that cause blood vessels to widen, increasing blood flow — on certain receptors in rats' brain cells. They found that when they administered one of these vasodilators, nicknamed PACAP, directly into the rats' brains, a cluster of neurons in the center of the head called the trigeminovascular system started firing more than normal, mimicking the symptoms of a migraine in the animals.

Antioxidant Supplements May Accelerate Melanoma Spread

Antioxidants are often touted for their potential cancer-fighting abilities, but now researchers say the compounds may actually speed up the spread of the potentially deadly skin cancer melanoma, according to a new study done in mice and in cultured human cancer cells. The compounds are widely consumed by both healthy people and people with cancer for their supposed ability to prevent and fight cancer, the researchers said. But research on the anti-cancer benefits of antioxidants has yielded mixed results, with some studies showing that taking antioxidants may actually increase cancer risk, they said.

US Spy Satellite Launches Into Space Along with 13 Tiny Cubesats

8:49 a.m. local California time), lofting the secret NROL-55 payload for the National Reconnaissance Office (NRO), the agency that operates the United States' spy satellites. Nine of the tiny spacecraft were sponsored by the NRO, while NASA sponsored the other four. "That was a great launch and I'm very excited," Andres Martinez, program manager for NASA's Small Spacecraft Technology Program, said just after liftoff during NASA's live launch commentary.

This Pig-Nosed Rat with Vampire Teeth Will Haunt Your Dreams

It has a nose like a cute little piglet's, ears that only a mother could love and teeth that would make Dracula run in fear: This odd-looking rodent captured researchers' attention when they discovered it back in 2013, but now they've described it as a new species. The elusive animal, aptly named the hog-nosed rat (Hyorhinomys stuempkei), inhabits the Indonesian island of Sulawesi. In 2013, researchers studying the island's other rat species caught two of these pig-snouted rodents inside traps.

Ancient Ethiopian man's genome illuminates ancestry of Africans

By Will Dunham WASHINGTON (Reuters) - DNA extracted from the skull of a man buried 4,500 years ago in an Ethiopian cave is providing new clarity on the ancestry of modern Africans as well as shedding light on an influx of people from the ancient Middle East into the Horn of Africa. Until now, genome sequencing efforts on ancient people have focused on remains from cooler, drier climes that tend to better preserve DNA. The cave, sitting 6,440 feet (1,963 meters) above sea level in southwestern Ethiopia's Gamo highlands, was discovered in 2011, University of Cambridge geneticist Andrea Manica said.

Core Finding: Earth's Frozen Center Formed a Billion Years Ago

What's more, the new findings suggest that Earth's magnetic field, which is powered by the swirling flow of liquid iron surrounding the inner core, could continue going strong for quite a while, said study co-author Andy Biggin, a paleomagnetism researcher at the University of Liverpool in England. "The theoretical model which best fits our data indicates that the core is losing heat more slowly than at any point in the last 4.5 billion years and that this flow of energy should keep the Earth's magnetic field going for another billion years or more," Biggin said in a statement. For much of those early years, Earth was a blob of molten rock, but over time, the surface cooled and formed a crust that floated on the Earth's liquid core.

NASA Mars rover finds clear evidence for ancient, long-lived lakes

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - Three years after landing in a giant Martian crater, NASA's Curiosity rover has found what scientists call proof that the basin had repeatedly filled with water, bolstering chances for life on Mars, a study published on Thursday showed. The research offered the most comprehensive picture of how Gale Crater, an ancient, 87-mile (140-km) wide impact basin, formed and left a 3-mile (5-km) mound of sediment standing on the crater floor. Early in its mission, Curiosity discovered the gravel remnants of streams and deposits from a shallow lake.

Ancient Mars Had Long-Lasting Lakes, Boosting Chances for Life

Ancient Mars harbored long-lasting lakes, boosting the odds that life could have existed on the Red Planet billions of years ago, a new study suggests. A series of freshwater lakes within Mars' 96-mile-wide (154 kilometers) Gale Crater likely persisted for hundreds or thousands of years at a time, and perhaps even longer, according to the new study, which is based on observations made by NASA's 1-ton Curiosity rover. While these individual lakes were apparently transient, drying out and filling up repeatedly over time, the overall lake-and-stream system inside Gale Crater existed for a quite a long time, researchers said.

Idaho nuclear lab director eyes new generation of scientists

The new director of Idaho's federal nuclear facility says he sees plenty of opportunity to make it the nation's premier energy security lab while also bolstering the region's economy. Mark Peters has been ...

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Wednesday, October 7, 2015

FeedaMail: Science News Headlines - Yahoo! News

Science News Headlines - Yahoo! News

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NASA Rocket Launch May Spawn Glowing Clouds Off US East Coast Wednesday

A NASA rocket launch on Wednesday (Oct. 7) should give skywatchers in the Eastern United States a real treat, weather permitting. NASA plans to launch a sounding rocket at 7 p.m. EDT (2300 GMT) on Wednesday from the agency's Wallops Island Flight Facility in Virginia. If all goes according to plan, the liftoff will produce several multicolored patches of light in the darkening sky that will be visible to many people in the Middle Atlantic and Northeast United States.

Doomsday Revised: New Claim World Will End on Oct. 7

The 2012 Mayan apocalypse was a total bust. Falling into a long tradition of repurposing and revamping old doomsday predictions, an online Christian group is insisting that the now-deceased preacher, Harold Camping, was right, and that his prophecies forecast the end of the world. In 2011, Camping claimed that after the May 21 day of judgment, there would be only about five months until the world's end on Oct. 21, 2011.

Should doctors help infertility patients who cross borders for care?

By Lisa Rapaport (Reuters Health) - Should doctors offer infertility treatment to patients who cross international borders to get care they can't legally receive in their home country? Yes, if they want to, some ethicists argue in an essay in the European Journal of Obstetrics and Gynecology and Reproductive Biology. "Physicians should abide by national laws," lead author Wannes Van Hoof, a bioethicist at Ghent University in Belgium, said by email.

Doomsday Revised: New Prediction Claims World Will End on Oct. 7

South Korea's Lee to head U.N. panel of climate scientists

By Alister Doyle OSLO (Reuters) - South Korea's Hoesung Lee, chosen on Tuesday to head the U.N.'s panel of climate scientists, favours wider pricing of carbon dioxide output to curb emissions of the greenhouse gases the group blames for global warming. Government representatives meeting in Dubrovnik, Croatia, picked the professor of the economics of climate change to succeed India's Rajendra Pachauri as chair of the IPCC, whose findings are the main guide for combating global warming.

DNA scientists win 2015 Nobel Prize for Chemistry

Sweden's Tomas Lindahl, the U.S.-based Paul Modrich and Turkish-born Aziz Sancar won the 2015 Nobel Prize for Chemistry for work on mapping how cells repair damaged DNA, the award-giving body said on Wednesday. "Their work has provided fundamental knowledge of how a living cell functions and is, for instance, used for the development of new cancer treatments," the Royal Swedish Academy of Sciences said in a statement awarding the 8 million Swedish crowns ($969,000) Chemistry was the third of this year's Nobel prizes. The prize is named after dynamite inventor Alfred Nobel and has been awarded since 1901 for achievements in science, literature and peace in accordance with his will.

Scientists win Nobel chemistry award for work on DNA repair

STOCKHOLM (AP) — Sweden's Tomas Lindahl, American Paul Modrich and U.S.-Turkish scientist Aziz Sancar won the Nobel Prize in chemistry on Wednesday for "mechanistic studies of DNA repair."

DNA scientists win 2015 Nobel Prize for Chemistry

Sweden's Tomas Lindahl, American Paul Modrich and Turkish-born Aziz Sancar won the 2015 Nobel Prize for Chemistry for work on mapping how cells repair damaged DNA, giving insight into cancer treatments, the award-giving body said on Wednesday. "Their work has provided fundamental knowledge of how a living cell functions and is, for instance, used for the development of new cancer treatments," the Royal Swedish Academy of Sciences said in a statement awarding the 8 million Swedish crowns ($969,000) Thousands of spontaneous changes to a cell's genome occur on a daily basis while radiation, free radicals and carcinogenic substances can also damage DNA. To keep genetic materials from disintegrating, a range of molecular systems monitor and repair DNA, in processes that the three award-winning scientists all helped map out, opening the door to applications such as new cancer treatments.

DNA scientists win 2015 Nobel Prize for Chemistry

Sweden's Tomas Lindahl, American Paul Modrich and Turkish-born Aziz Sancar won the 2015 Nobel Prize for Chemistry for work on mapping how cells repair damaged DNA, giving insight into cancer treatments, the award-giving body said on Wednesday. "Their work has provided fundamental knowledge of how a living cell functions and is, for instance, used for the development of new cancer treatments," the Royal Swedish Academy of Sciences said in a statement awarding the 8 million Swedish crowns (£633,434) Thousands of spontaneous changes to a cell's genome occur on a daily basis while radiation, free radicals and carcinogenic substances can also damage DNA. To keep genetic materials from disintegrating, a range of molecular systems monitor and repair DNA, in processes that the three award-winning scientists all helped map out, opening the door to applications such as new cancer treatments.

DNA scientists win 2015 Nobel Prize for Chemistry

Private Moon Race Heats Up with 1st Verified Launch Deal

A team from Israel called SpaceIL has signed a contract to launch its robotic lunar lander toward the moon aboard a SpaceX Falcon 9 rocket in the second half of 2017. SpaceIL is therefore a strong contender to win the $20 million top prize in the Google Lunar X Prize (GLXP), contest organizers said. "We are proud to officially confirm receipt and verification of SpaceIL's launch contract, positioning them as the first and only Google Lunar X Prize team to demonstrate this important achievement thus far," X Prize Vice Chairman and President Bob Weiss said in a statement.

Glowing Clouds from NASA Launch Tonight Visible from US East Coast: Watch Live

A NASA suborbital rocket launch Wednesday evening (Oct. 7) is expected to produce glowing clouds high above Earth, and you can watch all the eye-catching action live online. Weather permitting, a Black Brant IX sounding rocket is scheduled to blast off from NASA's Wallops Flight Facility in Virginia at 7 p.m. EDT (2300 GMT) Wednesday and deploy colorful clouds of barium and strontium that will be visible to observers throughout the mid-Atlantic and northeastern United States. The main goal of Wednesday's launch is to test the performance of the two-stage Black Brant IX, which will be flying with a reformulated motor, NASA officials said.

Rocker Grace Potter Mixes Space, Science and Music on Instagram (Video)

Space.com sat down with Potter prior to her performance at New York's Radio City Music Hall on Saturday (Oct. 3) to discuss her cosmic influences, which shined through not only in our interview but on stage as well. "That's what it's all about!" Potter told the audience. Other Potter posts reference the recent 25th anniversary of the launch of NASA's Hubble Space Telescope, the Large Hadron Collider and more.

Nobel prize for solving puzzle of ghostly neutrino particles

Extinct Tree-Climbing Human Walked with a Swagger

A recently unearthed extinct human species — perhaps the most primitive ever discovered — had hands and feet adapted for a life both on the ground and in the trees, researchers say. Although modern humans are the only human species alive today, other human species once walked the Earth. The most recently discovered human species, Homo naledi, had a brain about the size of an orange, but it nevertheless possessed enough of a mind to perform ritual burials of its dead.

The Latest: Nobel winner hopes to inspire science in Turkey

STOCKHOLM (AP) — Latest developments in the announcements of the Nobel Prizes (all times local):

Israeli team signs first launch deal in Google moon race

By Ari Rabinovitch JERUSALEM (Reuters) - An Israeli team competing in a race to the moon sponsored by Google has signed a with California-based SpaceX for a rocket launch, putting it at the front of the pack and on target for blast-off in late 2017, officials said on Wednesday. With the deadline to win a $20 million first-place prize just two years off, pressure is mounting on the 16 rivals from around the world hoping to complete a privately funded moon landing. "This is the official milestone that the race is on ... They've lit the fuse, as it were, for their competitive effort." The key hurdle was finding an affordable ride to outer space without government funding, said Eran Privman, CEO of SpaceIL.

Sneezing Monkeys & 'Walking' Fish: Fascinating New Species Discovered

A monkey that sneezes whenever it rains, a fish that can survive out of water for four days and a venomous pit viper that is as lovely to look at as a piece of jewelry: These are just a few of the hundreds of new species discovered over the past few years in the diverse but highly threatened region of the east Himalayas. An average of 34 new plant and animal species have been discovered annually in the region for the past six years, according to a newly released report from the World Wildlife Fund (WWF). "I am excited that the region — home to a staggering number of species including some of the most charismatic fauna — continues to surprise the world with the nature and pace of species discovery," Ravi Singh, CEO of WWF-India and chair of the WWF Living Himalayas Initiative, said in a statement.

Trio Wins Nobel Prize in Chemistry for Finding DNA Fixers

This year's Nobel Prize in chemistry was awarded to three scientists whose research helps to explain how human beings continue to thrive despite an invisible disadvantage — their totally unstable DNA. Each of the three recipients of the prestigious award — Tomas Lindahl, Paul Modrich and Aziz Sancar — has researched a different way that cells repair damaged DNA to safeguard genetic information.

Ruffling the feathers: scientists formulate bird family tree

The evolutionary relationships among the world's 10,000 bird species have been tough to decipher. But scientists on Wednesday unveiled the most comprehensive account of the avian family tree ever formulated, detailing how modern bird groups are connected based on genome-wide data from 198 living bird species. They focused in particular on understanding the group called Neoaves, encompassing more than 90 percent of all birds, the exceptions being large flightless birds like ostriches and a group including ducks and chickens. "It means that all of these aquatic birds may have evolved from a single common ancestor, as opposed to evolving an aquatic ecology multiple times independently," Cornell University ornithologist Jacob Berv said. "So the common ancestor of the woodpecker and the chickadee in your garden was a vicious, hawk-like meat-eater," Prum said.

These Mysterious Blazing-Fast Ripples Racing Around a Star Defy Explanation

Scientists were looking for planets forming in the large disk of dust surrounding a young star when they encountered a surprise: fast-moving, wavelike arches racing across the disk like ripples in water. The team first spotted the five structures in data from the European Southern Observatory's Very Large Telescope in Chile while searching for lumps and bumps that might indicate planets forming around the young star. When the researchers looked back at images taken with the Hubble Space Telescope in 2010 and 2011, they managed to spot the same features — but in new locations. A new video of the mysterious ripples, describes the strange features as seen by ESO scientists.

Ruffling the feathers: scientists formulate bird family tree

Brain trauma widespread among high school football players, researchers say

More than half of the players participating in the trials showed signs of altered neurological function and dramatic changes to the wiring and biochemistry of their brains, according to a series of studies published by the Purdue Neurotrauma Group. Some of them heal and some of them don't by the time they start playing their next season and that was the thing that really got us nervous," he added. The researchers placed sensors on the athletes to record impact forces and coupled that data with brain scans and cognitive tests to track neurological function over the course of the trial.

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