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Hunt for ancient royal tomb in Mexico takes mercurial twist

By David Alire Garcia TEOTIHUACAN, Mexico (Reuters) - A Mexican archeologist hunting for a royal tomb in a deep, dark tunnel beneath a towering pre-Aztec pyramid has made a discovery that may have brought him a step closer: liquid mercury. In the bowels of Teotihuacan, a mysterious ancient city that was once the largest in the Americas, Sergio Gomez this month found "large quantities" of the sil

Hot times at Yellowstone: huge magma chamber found deeply buried

By Will Dunham WASHINGTON (Reuters) - Deep beneath Yellowstone National Park, one of the world's most dynamic volcanic systems, lies an enormous, previously unknown reservoir of hot, partly molten rock big enough to fill up the Grand Canyon 11 times, scientists say. Researchers on Thursday said they used a technique called seismic tomography to a produce for the first time a complete picture of

F1 technology moves into the supermarket fridge

Formula One's cutting-edge aerodynamic technology is moving into the supermarket chill cabinet. Williams Advanced Engineering, part of the Formula One team, said on Friday they had partnered with start-up Aerofoil Energy to develop a device that will save money and energy by keeping more cold air inside open-fronted refrigerators. Williams said their aerofoil system, modeled with computation fluid

First experiment 'editing' human embryos ignites ethical furor

By Sharon Begley NEW YORK (Reuters) - Biologists in China reported carrying out the first experiment to alter the DNA of human embryos, igniting an outcry from scientists who warn against altering the human genome in a way that could last for generations. The study from China appeared last weekend in an obscure online journal called Protein & Cell. In an interview published on Wednesday on the new

Defying the odds, Hubble telescope still going strong after 25 years

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - NASA on Thursday marked the silver anniversary of the Hubble Space Telescope with fireworks, of a celestial kind, conveyed by the orbiting observatory itself. To commemorate Hubble's launch on April 24, 1990, NASA selected a picture of a stellar nursery located about 20,000 light-years away in the constellation Carina.

More Than 1,000 Doctors Say Dr. Oz Should Resign

At least 1,000 U.S. doctors say they think Dr. Mehmet Oz should resign from his faculty position at Columbia University in New York, a new poll finds. Earlier this week, 10 doctors sent a letter calling for Oz, host of the popular TV show "The Dr. Oz Show," to be removed from his academic position as a cardiothoracic surgeon at Columbia. The doctors said that Oz has promoted products and made clai

Hubble at 25: Space Telescope's Views Have Changed How We See Earth

The Hubble Space Telescope, which is celebrating its 25th anniversary in space, has become known for capturing stunning and unprecedented views of the cosmos. Because the telescope can gaze across the solar system and beyond, to alien planets far more distant, Hubble has helped scientists understand how the Earth formed, and has even provided clues about how life came to be, said Frank Summers,

Human Embryo Editing Is Incredibly Risky, Experts Say

With the news that Chinese scientists have attempted to modify the genes of human embryos, many scientists have called for a halt to such technology, saying the techniques are too risky to use in human embryos. In a study published Saturday (April 18) in the journal Protein & Cell, Chinese scientists reported that they had used a genetic engineering technique called CRISPR to cut out a faulty gene

Awesome Hubble Telescope Pics Pop on Times Square Screens in NYC

Advertisements hawking clothing, smart phones and theater tickets usually overwhelm New York City's Times Square — but look closely this week and you'll also see exploding stars, whirling galaxies and bubbling nebulas. In celebration of the 25th anniversary of the launch of the Hubble Space Telescope, The Toshiba Vision screen in Times Square is displaying awe-inspiring images taken by Hubble, a

SpaceX's Elon Musk Says Valve Glitch Caused Rocket Landing Crash

SpaceX's daring reusable-rocket test last week came up just short because of an issue with a "throttle valve," company founder and CEO Elon Musk said. The private spaceflight company tried to bring the first stage of its Falcon 9 rocket down for a soft landing on an unmanned "drone ship" in the Atlantic Ocean on April 14, during the successful launch of its robotic Dragon capsule toward the Inte

New avian flu viruses send U.S. scientists scrambling

By Julie Steenhuysen CHICAGO (Reuters) - Three highly pathogenic avian flu viruses that have infected poultry and wild birds in the U.S. Midwest appear unlikely to present a significant risk to humans. The H parts, which are highly pathogenic in poultry, originated in Asia, and the N parts come from North American, low pathogenic, avian flu viruses, said Dr. Rubin Donis, an associate director fo

Giant Easter Island 'Hats' Rolled Into Place, Study Says

The distinctive headgear worn by some of the famous Easter Island statues may have been rolled up ramps to reach those high perches, a new study suggests. A simple analysis of the physics suggests that rolling the headwear — bulky cylindrical shapes that look like Russian fur hats — would have been a relatively easy matter, said study co-author Sean Hixon, an undergraduate student in archaeology a

Whooping Cough Outbreaks Traced to Change in Vaccine

The recent outbreaks of whooping cough in the United States may be due, in part, to a change made two decades ago to vaccine ingredients, a new study finds. In 2012, the United States had about 48,000 cases of whooping cough (also called pertussis) — the most cases since 1955. They used an enormous data set from a variety of sources on whooping cough cases in the U.S. from 1950 to 2009. They fou

Scientists convinced of tie between earthquakes and drilling

LOS ANGELES (AP) — With the evidence coming in from one study after another, scientists are now more certain than ever that oil and gas drilling is causing hundreds upon hundreds of earthquakes across the U.S.

First experiment 'editing' human embryos ignites ethical furore

By Sharon Begley NEW YORK (Reuters) - Biologists in China reported carrying out the first experiment to alter the DNA of human embryos, igniting an outcry from scientists who warn against altering the human genome in a way that could last for generations. The study from China appeared last weekend in an obscure online journal called Protein & Cell. In an interview published on Wednesday on the new

Scientists: Over 143M Americans live in quake-prone areas

LOS ANGELES (AP) — More than 143 million people in the Lower 48 states now live on shaky ground, earthquake scientists say.

Deals in dark helped bitcoin take off, says chief scientist

By Jemima Kelly LONDON (Reuters) - Without dealings in the "grey areas" of the global economy, bitcoin might not have grown to be worth the $3 billion (1.99 billion pounds) it is today, according to Gavin Andresen, the closest thing the digital currency has to a CEO. Andresen, a self-confessed "all-around geek", is chief scientist at the Bitcoin Foundation, a non-profit group he helped set up th

Oklahoma scientists say earthquakes linked to oil and gas work

Oklahoma geologists have documented strong links between increased seismic activity in the state and the injection into the ground of wastewater from oil and gas production, a state agency said on Tuesday. Oklahoma is recording 2-1/2 earthquakes daily of a magnitude 3 or greater, a seismicity rate 600 times greater than observed before 2008, the report by the Oklahoma Geological Survey (OGS) said.

Scientists to share real-time genetic data on deadly MERS, Ebola

By Kate Kelland LONDON (Reuters) - Genetic sequence data on two of the deadliest yet most poorly understood viruses are to be made available to researchers worldwide in real time as scientists seek to speed up understanding of Ebola and MERS infections. "The collective expertise of the world's infectious disease experts is more powerful than any single lab, and the best way of tapping into this.

'StarTalk,' NatGeo Channel's 1st Late-Night Science Talk Show, Debuts Tonight

NEW YORK — "StarTalk," the first-ever science-themed late-night talk show — hosted by superstar scientist Neil deGrasse Tyson — premieres tonight (April 20) on the National Geographic Channel, and viewers can expect a fantastically space-centric viewing experience. Based on Tyson's long-running radio show of the same name, "StarTalk" is a combination of science, comedy and pop culture. Last week

Scientists: 3 wolves remain at Isle Royale National Park

TRAVERSE CITY, Mich. (AP) — The gray wolves of Isle Royale National Park, which scientists have studied closely for more than half a century along with the moose on which they feed, are on the verge of disappearing as the most recent census showed that only three remain, scientists said Friday.

Scientists create self-powering camera

By Elly Park New York, NEW YORK - Scientists at Columbia University in New York have successfully built a camera that is capable of producing images using power harvested from the surrounding incident light.  The prototype self-powering camera takes an image each second, and in a well-lit scene it can operate indefinitely. The team is led by Shree Nayar, Professor of Computer Science at Columbia E

Physicists try to make sense of a dark matter puzzle from space

Clamped to the International Space Station, the 7.5-tonne Alpha Magnetic Spectrometer (AMS) intercepts particles from outer space, looking for evidence of "dark matter", which has never been seen but is thought to be five times as abundant in the universe as visible matter. We are taking 1,000 pictures per second," said Stefan Schael, a professor at RWTH Aachen University. The space camera gives

Mercury-orbiting U.S. spacecraft heading for a crash landing

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - A NASA spacecraft that made surprising discoveries of ice and other materials on Mercury will make a crash landing into the planet around April 30, scientists said on Thursday. The Mercury Surface, Space ENvironment, GEochemistry, and Ranging, or Messenger, probe has been circling the innermost planet of the solar system for more than four years, t

Of Mice and Synthetic Muscle: Big Science On SpaceX Dragon Spaceship

SpaceX's Dragon cargo capsule is hauling a lot of science gear up to the International Space Station, including experiments for the orbiting outpost's first one-year crew. The unmanned Dragon launched into space Tuesday (April 14) atop a SpaceX Falcon 9 rocket, which lifted off from Florida's Cape Canaveral Air Force Station. It is due to arrive at the space station at 7 a.m. EDT (1100 GMT) Frid

U.S. study calls into question tests that sequence tumor genes

By Julie Steenhuysen CHICAGO (Reuters) - New cancer tests that sequence only a patient's tumor and not normal tissue could result in a significant number of false positive results, potentially leading doctors to prescribe treatments that might not work, U.S. researchers said on Wednesday. The tests take advantage of new treatments that target changes in the DNA of tumor cells that are important fo

AstraZeneca science is on the move, one year on from Pfizer bid

By Ben Hirschler LONDON (Reuters) - Having seen off a hostile $118 billion bid launched a year ago by U.S. rival Pfizer, Anglo-Swedish company AstraZeneca is on the move -- quite literally. Chief Executive Pascal Soriot is making AstraZeneca more nimble as hopes build for its cancer pipeline, but he still has his work cut out to keep 2015 earnings above the floor needed to protect his bonus. Inves

Giant Atom Smasher Revs up: Physicists Reveal What They're Looking For

The Large Hadron Collider (LHC), a 17-mile-long (27 kilometers) underground ring in Geneva, Switzerland, revved up again last week at double its previous power. The humongous particle collider will now begin searching for elusive subatomic particles at 13 teraelectronvolts (TeV). The first run of the LHC had a single overarching goal: finding the Higgs boson, the particle that explains how other

China to surpass U.S. as top cause of modern global warming

By Alister, Doyle,, Environment and Correspondent OSLO, April 13 (Reuters) - China is poised to overtake the United States as the main cause of man-made global warming since 1990, the benchmark year for U.N.-led action, in a historic shift that may raise pressure on Beijing to act. China's cumulative greenhouse gas emissions since 1990, when governments were becoming aware of climate change, wil

NASA Probe Circles Mars for 1,000th Time

NASA's Mars-studying MAVEN spacecraft notched a spaceflight milestone this week — its 1,000th orbit of the Red Planet. MAVEN (short for Mars Atmosphere and Volatile Evolution) arrived at the Red Planet in September 2014 and began its yearlong study of the Martian atmosphere on Nov. 16. The 1,000th orbit was completed on Monday (April 6), NASA officials said. "The spacecraft and instruments conti


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