The European Space Agency says it is switching off its radio link to the probe that landed on a comet, after receiving no signal from the lander for a year. The agency says the decision to shut down a communications instrument on the Rosetta spacecraft Wednesday was taken to conserve energy. Rosetta had used the instrument to communicate with its lander, Philae, which touched down on comet 67P/Churyumov-Gerasimenko in November 2014. During the next two months, Rosetta will use its remaining power to conduct scientific measurements before it crash-lands on the comet Sept. 30. Data collected by Rosetta and Philae have improved scientists' understanding of comets and the role they played in the
The chairman of the House Science Committee threatened further action Wednesday after the New York and Massachusetts attorneys general refused to comply with congressional subpoenas seeking records about their investigations into whether Exxon Mobil misled investors about man-made climate change. Texas GOP Rep. Lamar Smith said he was disappointed that New York Attorney General Eric Schneiderman and Massachusetts Attorney General Maura Healey refused to comply with subpoenas he issued two weeks ago.
Geneva (AFP) - "Nothing is impossible" has been the constant mantra of record-breaking Swiss explorer Bertrand Piccard, who along with compatriot Andre Borschberg has again made history with the first round-the-world solar flight. Piccard on July 26 completed the final leg of the marathon tour aboard the fully sun-powered plane, Solar Impulse 2, landing in Abu Dhabi and completing a journey that began in March last year. The 58-year-old is scion of a dynasty of trailblazers -- Piccard's grandfather Auguste was the first man to climb to the stratosphere in a balloon and his father Jacques was the first to reach the deepest point of the world's oceans.
It was definitely déjà vu in the media today. Reuters, The New Yorker, Los Angeles Times, and more were back on the "brain training prevents dementia" bandwagon. STAT's headline was particularly boosterish: Play on! In a first, brain training cuts risk of dementia years later. It's just a few months since the US Federal Trade commission fined a company $2 million for false advertising based on brain training claims like this. And in October 2014, an international scientific consensus statement tried to stem this tide. Yet here we are again. Sigh! This time, the results aren't even just getting the usual claim of being "promising": in the STAT article, they're "highly, highly promising"! And that's
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The mysterious, missing Malaysia Airlines Flight MH370 likely crashed off the coast of Australia or hundreds of miles to the north, researchers in Italy said. The potential crash area overlaps with the underwater zone that investigators are now scouring for hunks of metal debris. Search efforts have so far failed to reveal why and where the airliner wrecked more than two years ago, taking with it 239 passengers and crew members.
A recent Pew Research Center survey and accompanying focus group spells out how Americans feel about using biomedical innovation to alter the human body and its performance capacity. The center asked Americans about the use of gene editing, brain chips and synthetic blood enhancements and found that most have little interest in melding man with machine. Let's take a brief look at three interesting findings from Pew's latest survey—and ask yourself where you fall in the mix. First, consider your religious commitment. Do you pray or attend religious services often, occasionally, or not at all? Survey participants who reported practicing a faith less often than others “are more inclined to see
Past earthquakes that damaged ancient temples perched high in the Himalayas could be harbingers of dangerous quakes to come, new research suggests. "The supporting pillars and temple structures are tilted with respect to their original positions.
If you want to see a tall population of men, go to the Netherlands. National height averages are useful as an indicator of nutrition, health care, environment and general health that people have experienced from the womb through adolescence, said Majid Ezzati of Imperial College London, who led the research. The tallest men in the new analysis were Dutch, with an average height of about 6 feet (182.5 centimeters).
Unfortunately, we can't go back in time to sample the oxygen content of prehistoric air. The mass spectrometer measured the oxygen content of the prehistoric air and found that the air 800 million years ago was about 10 percent oxygen.
At last week's Republican National Convention, Texas Sen. Ted Cruz made headlines by refusing to endorse nominee Donald Trump. But there was a less-noticed but still-notable withheld endorsement from another convention speaker: retired astronaut Eileen Collins, the first female shuttle commander. While Collins didn't provoke the cries of betrayal from delegates that Cruz did, her failure to explicitly back Trump spotlighted — intentionally or not — the key role that the next president could have in preserving America's legacy as the world's leader in space exploration. "We need leadership that will make America's space program first again," Collins told the delegates, right before her script
Millions of children will suffer disproportionately from the failed harvests and devastated livelihoods left behind by the El Nino weather phenomenon, Save the Children warned Tuesday. El Nino affects rainfall patterns and causes both drought and flooding. As it recedes the Pacific cooling trend known as La Nina is set to begin.
Researchers found the world's deepest underwater sinkhole in the South China Sea. As local fishermen tell it, the deep blue “Dragon Hole” in the Paracel Islands, called the “eye” of the South China Sea, is where the Monkey King in “Journey to the West” acquired his famous golden cudgel. After nearly a year of exploration, Chinese researchers have determined that the underwater sinkhole is likely the world’s deepest, reaching about 987 feet below the surface and surpassing the previous record holder, Dean’s Blue Hole near the Bahamas, by more than 300 feet, Xinhua News Agency reported. Blue holes are named as such for their rich, dark blue coloring, a stark contrast to the otherwise aqua waters that surround them.
Israel's national museum is set to display a 2,200-year-old Egyptian mummy of a man who was afflicted with some modern-day illnesses such as osteoporosis and tooth decay, the museum said on Tuesday. The mummy is the only such relic in Israel, named the "Protective Eye of Horus," after a pharaonic deity. It was kept for decades at a Jesuit institute in Jerusalem before it was loaned to the Israel Museum.
A footprint measuring over a meter wide that was made by a meat-eating predator some 80 million years ago has been discovered in Bolivia, one of the largest of its kind ever found. The print, which measures 1.2 meters (1.3 yards) across, probably belonged to the abelisaurus, a biped dinosaur that once roamed South America, said Argentine paleontologist Sebastian Apesteguia, who is studying the find. The print was found some 64 kilometers (40 miles) outside the city of Sucre in central Bolivia by a tourist guide earlier this month.
The number of young kids in Colorado who accidentally consume marijuana has increased since buying the drug for recreational use became legal there in 2014, according to a new study. During 2009, before the recreational use of marijuana was legalized in Colorado, only nine calls were made to a regional poison center regarding kids accidentally ingesting or inhaling marijuana, researchers found. "We anticipated that the rate would likely go up" after the recreational use of marijuana was legalized in Colorado, said study co-author Dr. Genie Roosevelt, a pediatrician at Denver Health Medical Center.
Solar Impulse 2 on Monday neared the end of its epic journey to become the first sun-powered airplane to circle the globe without a drop of fuel to promote renewable energy. When the experimental aircraft touches down in Abu Dhabi it will cap a remarkable 42,000-kilometre (26,097 mile) journey across four continents, two oceans and three seas. Solar Impulse 2 was expected to enter UAE airspace at around 1:30 am local time on Tuesday (2130 GMT Monday), and land in Abu Dhabi at around 4:00 am (0000 GMT).
A nocturnal species of weasel with a robber-mask-like marking across its eyes has returned to the remote ranchlands of western Wyoming where the critter almost went extinct more than 30 years ago. Wildlife officials on Tuesday released 35 black-footed ferrets on two ranches near Meeteetse, a tiny cattle ranching community 50 miles east of Yellowstone National Park. Black-footed ferrets, generally solitary animals, were let loose individually over a wide area.
Super volcanic eruptions are so catastrophically powerful that they could devastate the entire planet. In a worst case scenario, these kinds of eruptions can eject 1000s of cubic kilometers of magma and ash in the matter of days or few months. That much ash in the atmosphere could block out the light and heat of the sun for years or decades. Unlike most volcanic eruptions, what makes super-eruptions different is that they are unable to erupt easily.
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Jupiter's Great Red Spot is apparently also red hot: The highest temperatures ever observed on the planet were recently detected in the region above the ginormous storm. The Great Red Spot (GRS) is a massive storm about twice the diameter of Earth that lies in lowest layer of Jupiter's atmosphere. About 497 miles (800 kilometers) above this humongous storm, astronomers measured temperatures reaching about 700 degrees Fahrenheit (about 370 degrees Celsius) higher than normal, James O'Donoghue, lead author of the new study and a research scientist with Boston University's (BU) Center for Space Physics, told Space.com. The new finding could solve the mystery of the unusually high temperatures
It's one of the greatest mysteries of modern science: how did life begin exactly? While most scientists believe that all lifeforms evolved from a common, primitive ancestor microorganism, the details are blurry. What kinds of genes did this lifeform carry and where did it live? A new study, published in Nature Microbiology, now sheds some light on this early organism and the environment it evolved in. Experimental scientists interested in the origins of life generally tackle the problem in two distinct ways. One is a bottom-up approach in which they try to imagine how early life might have emerged and then try to recreate the key steps in the laboratory. The alternative, a top-down approach,
Archaeologist Arnoldo Gonzalez said researchers believe the tomb and pyramid were purposely built atop a spring between AD 683 and 702. Attention has focused on the heavily carved stone sarcophagus in which Pakal was buried, and which some erroneously believe depict the Maya ruler seated at the controls of a spaceship. The director of archaeology for the National Institute of Anthropology and History, Pedro Sanchez Nava, said the theory makes sense in light of other pre-Hispanic peoples, such as those who lived at Teotihuacan, near Mexico City, where another water tunnel was found.
These questions affect parents and children of every race and ethnicity, and though the substance of individual conversations may differ, the underlying advice on how to talk to kids doesn't change, experts said: Meet them where they are, encourage openness and don't expect that a single conversation will cover the topic. "It's OK to make a mistake," in conversation with a child, said Kimberly Seals Allers, the founder of MochaManual.com, an online destination for parents of color. Black parents don't have the luxury of ignoring color, Allers told Live Science.