Monday, February 29, 2016

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Musk's SpaceX rocket launch canceled at final countdown

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - At the last second, Elon Musk's SpaceX scrubbed plans to launch a Falcon 9 rocket on Sunday, again delaying an attempt to put an satellite into orbit and then land the vehicle's first stage intact on a sea platform, a step that may eventually slash costs. The 23-story rocket, carrying a communications satellite for Luxembourg-based SES SA, was less than two minutes from blast-off at 6:47 p.m. when the launch team aborted the countdown, SpaceX said during a webcast. Musk, founder and chief executive of SpaceX, said that Air Force safety officers stopped the countdown after a boat strayed into a restricted zone east of SpaceX's Cape Canaveral Air Force Station launch site.


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Minds Everywhere: 'Panpsychism' Takes Hold in Science

Is consciousness nothing more than the firing of neurons in the brain? Many objects people think of as conscious may not be, while some that are considered inanimate may in fact have much greater consciousness than previously thought, Koch said.

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Earth's Early Ocean Was No Scalding Sea

Rocks from the deep past, some 3.5 billion years ago when life first appeared on the planet, were deposited on a deep, cold ocean floor, not in a scalding sea, a new study suggests. "This is the first evidence that over the entire 3.5 billion years, Earth has operated within a temperature range that suits life," said lead study author Maarten de Wit, a professor at Nelson Mandela Metropolitan University in Port Elizabeth, South Africa. To take the temperature of Earth's ancient ocean, the researchers trekked to the Barberton Greenstone Belt in South Africa.


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5D Black Holes Could Break Relativity

Ring-shaped, five-dimensional black holes could break Einstein's theory of general relativity, new research suggests. "Here we may have a first glimpse that four space-time dimensions is a very, very good choice, because otherwise, something pretty bad happens in the universe," said Ulrich Sperhake, a theoretical physicist at the University of Cambridge in England. From the beginning, Einstein's theory of general relativity, which describes how matter warps space-time, predicted its own demise.


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Dutch Buzz: Bees Get Smaller, Men Taller

A team of scientists took a closer look at declining bee populations in the Netherlands and discovered something unexpected — it wasn't just the bee populations that were shrinking. Over nearly a century and a half, big-bodied female bee species in the Netherlands have reduced in size by about 7 percent, according to a new study, the first to investigate variations in Dutch bee size over time.


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Ancient Stubby-Legged Reptiles with Tiny Heads Were World Travelers

Before dinosaurs roamed the planet, tanklike herbivores called pareiasaurs — barrel-chested and stubby-legged turtle relatives — reigned as Earth's first large plant-eaters. With tiny heads and bony knobs studding their skulls and bodies, pareiasaurs wouldn't have won many beauty contests. Pareiasaurs lived during the Permian era, about 266 million to 252 million years ago.


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Obama encouraging young people to learn math, science

President Barack Obama is launching a version of "take your child to work day" that's focused on America's science laboratories instead of its corporate workspaces. It's part of Obama's effort ...


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At Least 9 Pregnant Women in US Infected with Zika: CDC

Nine pregnant women in the U.S. have now been confirmed to have had Zika virus infections that they contracted through travel to places where the virus is spreading, U.S. health officials said today. Among the nine cases in the pregnant women, three babies have been born, including two who showed no signs of illness and one who had severe microcephaly, according to a new report from the Centers for Disease Control and Prevention. Two women are continuing their pregnancies, and so far, there have been no signs of problems with the fetuses.

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Checking Embryo Viability? Give It a Good Squeeze

In fact, the technique of gently squeezing a series of embryos appears to be the most accurate way for researchers to figure out which one to select for implantation, according to the study published Wednesday (Feb. 24) in the journal Nature Communications. Tests that involve implanting embryos chosen this way into human patients may start soon, the researchers said.


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How to Gain Weight During Pregnancy, the Healthy Way

Gaining weight during pregnancy is both natural and essential. Women may think that "being pregnant gives them the license to eat anything," said Katherine Tallmadge, a registered dietitian and an op-ed contributor to Live Science. Indeed, studies show that the amount of weight a woman gains during pregnancy plays a major role in how much she'll lose after giving birth.

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Funeral Feast? Butchered Turtles in Ancient Grave Hint at Ritual

In an ancient settlement on the banks of the Tigris River in Turkey, archaeologists have made a strange discovery: 17 butchered soft-shelled turtles in the grave of a woman and child. As there are no marks of trauma or injuries, it's not clear how the two people buried with the turtles died.


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'Mojoe' on the Go: New Thermos Doubles as Portable Coffeemaker

Hyman first dreamed up what would become the mojoe when he was a college student studying late at night in the library. The mojoe is the first of its kind, Hyman said, because unlike other portable coffeemakers on the market, the mojoe does not require you to heat water before brewing, and it can withstand superhot temperatures. To create a self-contained coffee-brewing system within a travel mug, Hyman and his team figured out how to combine aspects of drip brewing with vacuum brewing in a small, light and durable device.


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Physics of Skipping Stones Could Make Bounceable Naval Weapons

"A text titled 'The Art of Shooting [in] Great Ordnaunce' by William Bourne was likely published in 1578, and is the first known account to mention that if cannonballs are fired at a sufficiently low angle they will ricochet across the water surface," said study co-author Tadd Truscott, a fluid dynamicist at Utah State University in Logan. "This bomb was made to spin at a great rate before impact, enabling it to move along the water surface and avoid torpedo nets on its way to destroy key German dams," Truscott told Live Science. "Water impact has been heavily studied for the past 100 years, with motivations ranging from understanding the physics of seaplane landing to, more commonly, a simple desire to better understand the world in which we live," Truscott said.


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Bill Gates 'Discovers' 14-Year-Old Formula on Climate Change

Bill Gates just released a climate science equation that explains how the world can lower carbon dioxide emissions "down to zero," according to the 2016 edition the annual letter he and his wife, Melinda, published. But instead of grilling Gates about the origins of the formula, climate scientists are glad he's talking about it, said Michael Mann, a distinguished professor of atmospheric science at Pennsylvania State University. The genesis of Gates' equation might remain a mystery for now — the Bill & Melinda Gates Foundation didn't return Live Science's requests for comment.


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Sunday, February 28, 2016

FeedaMail: Science News Headlines - Yahoo! News

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Virtual reality 'heroin cave' aimed at helping addicts kick habit

By Amanda Orr HOUSTON (Reuters) - Addicts in a new study at the University of Houston will strap on virtual reality headsets and navigate a "heroin cave" to help them try and kick their addictions. Researchers are looking to see if making their way through a simulated house party crammed with stimuli aimed at evoking cravings for the drug will help better equip those who suffer from addiction to do so in the real world. The heroin environments, a house party where the drug is snorted and one where it is injected, took nearly a year to complete to ensure realism, its creators said. ...


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China to launch second space lab in third-quarter: state media

China will put a second space laboratory in orbit in the third quarter of this year, state news agency Xinhua said on Sunday, part of the country's plan to have a permanent manned space station in service around 2022. Advancing China's space program is a priority for Beijing, with President Xi Jinping calling for the country to establish itself as a space power. Tiangong (Heavenly Palace) 2 is expected to be docked with a cargo ship, Tianzhou 1 (Heavenly Vessel) which is scheduled to be launched in the first half of next year, Xinhua said.


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Saturday, February 27, 2016

FeedaMail: Science News Headlines - Yahoo! News

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Extremely Hot and Incredibly Close: How Hot Jupiters Defy Theory

Paul Sutter is a visiting scholar at The Ohio State University's Center for Cosmology and Astro-Particle Physics (CCAPP). In fact, in the early days of a solar system's formation, planets are a little rambunctious: squirrely little toddlers jostling about underfoot.


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Friday, February 26, 2016

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California methane leak was biggest ever in U.S., scientists say

By Steve Gorman LOS ANGELES (Reuters) - The months-long natural gas leak that forced thousands of Los Angeles residents from their homes ranks as the largest known accidental methane release in U.S. history, equal to the annual greenhouse gas emissions of nearly 600,000 cars, scientists reported on Thursday. At its peak, 60 tons per hour of natural gas was spewing from a ruptured underground pipeline at the Aliso Canyon storage field, effectively doubling the methane emissions of the entire Los Angeles metropolitan area, the researchers said. The stench of fumes from the site sickened scores of people and prompted the temporary relocation of more than 6,600 households from the northern Los Angeles community of Porter Ranch at the edge of the gas field.


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California methane leak was biggest ever in U.S., scientists say

By Steve Gorman LOS ANGELES (Reuters) - The months-long natural gas leak that forced thousands of Los Angeles residents from their homes ranks as the largest known accidental methane release in U.S. history, equal to the annual greenhouse gas emissions of nearly 600,000 cars, scientists reported on Thursday. At its peak, 60 tons per hour of natural gas was spewing from a ruptured underground pipeline at the Aliso Canyon storage field, effectively doubling the methane emissions of the entire Los Angeles metropolitan area, the researchers said. The stench of fumes from the site sickened scores of people and prompted the temporary relocation of more than 6,600 households from the northern Los Angeles community of Porter Ranch at the edge of the gas field.


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Astronaut heading home next week after record-long U.S. spaceflight

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - NASA astronaut Scott Kelly, who returns next week after nearly a year aboard the International Space Station, said on Thursday the secret to enduring the longest U.S. spaceflight is marking individual milestones, not ticking days off the calendar. Since arriving at the space station on March, 27, 2015, Kelly and Russian cosmonaut Mikhail Korneinko have served with eight different crewmates, unpacked six cargo ships, weathered two botched supply runs and participated in dozens of science experiments. Kelly also made three spacewalks outside the $100 billion station, which flies about 250 miles (400 km) above Earth, and Kornienko made one.


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SpaceX Falcon rocket launch called off for second straight day

CAPE CANAVERAL, Fla. (Reuters) - SpaceX called off a planned launch of a Falcon 9 rocket carrying a communications satellite less than two minutes before blastoff from Florida on Thursday, citing a technical problem. It marked the second straight day that Elon Musk's privately owned Space Exploration Technologies had postponed the launch. (Reporting by Irene Klotz; Editing by Steve Gorman and Lisa Shumaker)


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California methane leak was biggest ever in U.S., scientists say

By Steve Gorman LOS ANGELES (Reuters) - The months-long natural gas leak that forced thousands of Los Angeles residents from their homes ranks as the largest known accidental methane release in U.S. history, equal to the annual greenhouse gas emissions of nearly 600,000 cars, scientists reported on Thursday. At its peak, 60 tons per hour of natural gas was spewing from a ruptured underground pipeline at the Aliso Canyon storage field, effectively doubling the methane emissions of the entire Los Angeles metropolitan area, the researchers said.


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California methane leak was biggest ever in U.S., scientists say

By Steve Gorman LOS ANGELES (Reuters) - The months-long natural gas leak that forced thousands of Los Angeles residents from their homes ranks as the largest known accidental methane release in U.S. history, equal to the annual greenhouse gas emissions of nearly 600,000 cars, scientists reported on Thursday. At its peak, 60 tons per hour of natural gas was spewing from a ruptured underground pipeline at the Aliso Canyon storage field, effectively doubling the methane emissions of the entire Los Angeles metropolitan area, the researchers said.


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Gas from thawing permafrost could add further to global warming, study says

By Ellen Wulfhorst NEW YORK (Thomson Reuters Foundation) - Arctic permafrost that is thawing due to global warming is releasing greenhouse gases, further compounding the problem of climate change, according to a study released on Thursday. As the permafrost thaws, changes in the way its soil microbes function and the soil carbon decomposes add to the emissions of carbon dioxide and methane into the atmosphere, according to the study by U.S. and Chinese scientists.

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Old red dye shows promise as new cancer foe

By Bill Berkrot NEW YORK (Reuters) - Modern cancer drugs supercharge immune systems, target specific gene mutations and pack modified viruses into vaccines. Rose Bengal, a cheap industrial chemical that turns yarn and food bright red, has been used as a diagnostic staining agent for some time. Now, some scientists are looking at its potential to fight various forms of cancer.

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Vital to food output, bees and other pollinators at risk

Pesticides, loss of habitats to farms and cities, disease and climate change were among threats to about 20,000 species of bees as well as creatures such as birds, butterflies, beetles and bats that fertilize flowers by spreading pollen, it said. "Pollinators are critical to the global economy and human health," Zakri Abdul Hamid, chair of the 124-nation report, told Reuters of a finding that between $235 billion and $577 billion of world food output at market prices depended on pollinators. Ever more species of pollinators are threatened, according to the study, the first by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) since it was founded in 2012.


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Palm-Size Satellites Could Hunt for New Alien Worlds

Tiny satellites could hitch a ride into orbit and spot alien worlds from afar, new research suggests. NASA's 2,230 pound (1,052 kilogram) Kepler Space Telescope has discovered thousands of potential planets around other stars. Now, some scientists want to go smaller: They propose searching for new worlds using miniaturized satellites that can fit in the palm of your hand.


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Gravitational Waves: Did Merging Black Holes Form from Single Star?

Could a single, dying star give birth to not one, but two black holes? Scientists have long held different ideas about how black holes of this size get close enough to collide, but another proposal has just entered the ring: that the black holes were created, shortly before their collision, from one, massive star as it was collapsing in on itself. This new hypothesis posits that the merger of these two black holes would produce light — including, possibly, a burst of gamma-rays, the highest-energy form of light.


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Putting on a 'Happy Face' for Kids Takes Emotional Toll on Parents

Parents who hide their true emotions from their children, putting on an insincere "happy face," tend to feel bad about it afterward, a new study finds. Researchers asked parents to remember times when they didn't feel great, but put on a "happy face" anyway when talking with their kids. Overall, parents felt that putting on a fake happy face decreased their sense of well-being and the quality of the bond they had with their kids, the researchers found.

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Zika Virus Linked to Stillbirth

A woman in Brazil who became infected with the Zika virus gave birth to a stillborn baby, and large parts of the infant's brain were missing, according to a new report.

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Is Soda Consumption Falling Flat?

Americans appear to be cutting back on sugary sodas and fruit drinks, a new report finds.

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Ebola May Leave Survivors with Lasting Problems in Brain, Nerves

Although experts recently declared the world's largest Ebola outbreak over, many people who were infected with the virus are still experiencing neurologic problems, according to a new study.

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