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Tuesday, October 22, 2013

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How Satellites Watched Russian Meteor Explosion from Space

The meteor that exploded over the skies of Russia in February had key details of its fiery doom captured by satellites monitoring Earth, researchers now reveal, hinting that satellites could help uncover whether dangerous meteor swarms recur over time, scientists say.

Global Warming Forecast for Amazon Rain Forest: Dry and Dying

The Amazon rain forest's dry season lasts three weeks longer than it did 30 years ago, and the likely culprit is global warming, a new study finds.

New Hair Loss Treatment: Follicle Method Shows Promise

A new method to regrow hair using a person's own cells holds promise, according to a preliminary study in mice.

Math Ability Starts in Infancy, Study Suggests

A baby's sense of numbers at the age of 6 months predicts how good that child will be at math at the age of 3, new research finds.

Space-Bound Olympic Torch Heads to Launch Site as Cosmonaut Carries Flame

Cosmonaut Valentina Tereshkova, the first woman to launch into space on a rocket's flame, took ahold of the Olympic flame Saturday (Oct. 19), completing a leg of the 2014 Winter Games' torch relay.

Second Oarfish in a Week Washes Ashore

For the second time in a week, a rarely seen type of deep-sea creature was found along the coast of California.

Landslide Danger Looms in Next Seattle Earthquake

A home on Seattle's steep and scenic slopes comes with a hidden risk. The next earthquake on the Seattle Fault, which cuts under the heart of the city, could trigger many more deadly landslides than previously predicted, a new study finds.

European science satellite to tumble back to Earth

By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - A European satellite that spent four years mapping Earth's gravity ran out of fuel on Monday and will plunge back into the atmosphere in about two weeks, officials said. The Gravity field and steady-state Ocean Circulation Explorer, or GOCE, had been operating about 139 miles above Earth - lower than any other science satellite - to map variations in the planet's gravity. ...

Second rare oarfish carcass found on California coast

By Jonathan Kaminsky (Reuters) - A rare oarfish has washed up on the California coast for the second time in less than a week, authorities said, leaving experts stumped. The second carcass of the eel-like species was discovered on Friday on a beach in Oceanside, a city police dispatcher said. The 14-foot (4.3-meter) fish, which has a pug-like face and a skeleton of bone, was found five days after a marine instructor snorkeling off Santa Catalina Island, about 50 miles to the west, spotted a dead 18-foot (5.5-meter) oarfish in shallow water. ...

European science satellite to tumble back to Earth

By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - A European satellite that spent four years mapping Earth's gravity ran out of fuel on Monday and will plunge back into the atmosphere in about two weeks, officials said. The Gravity field and steady-state Ocean Circulation Explorer, or GOCE, had been operating about 139 miles (224 km) above Earth - lower than any other science satellite - to map variations in the planet's gravity. ...

Gun-Toting Robots May Fight Alongside Soldiers in Future Battles

American soldiers may soon be joined on the battlefield by machine gun-toting robots on wheels, according to U.S. Army officials.

Ax Falls for Antarctic Research Projects After Shutdown

The casualty list from the government shutdown earlier this month continues to grow for U.S. Antarctic science.

Giant Pandas More Resilient to Change than Other Endangered Animals

The giant panda's immune system is fairly diverse, genetically speaking, suggesting the endangered species may be more resilient to environmental change than previously thought, scientists say.

Chew on This: 8 Foods for Healthy Teeth

Regular brushing and flossing help keep teeth healthy by getting rid of sugars and food particles that team up with bacteria to form plaque. Plaque produces acid that damages tooth enamel, causes cavities and sets the stage for periodontal, or gum, disease.

Stick to a Diet: 4 Tips for Strengthening Willpower

All this time, you probably thought that overeating was the reason your belly is fat. And that may very well be true, but one study indicates that your stomach may in fact be the cause, and not the result of your problem.

High-School Student Finds Bumpy-Headed Baby Dino

A dinosaur skeleton discovered by an eagle-eyed high-school student turns out to be the smallest, youngest and most complete duck-billed dinosaur of its kind ever found.

How Virgin Galactic Private SpaceShipTwo Will Launch Science Flights

Soon, Virgin Galactic could be ferrying more than tourists to space on its suborbital flights.

Purple Cube Crystal Tops Auction Sales

A purple, cube-shaped crystal topped sales at a minerals-focused public auction, held Sunday (Oct. 20) in Dallas. The auction house, Heritage Auctions, had expected the specimen, which primarily featured a mineral known as fluorite, to be the top seller. But, at $125,000, the selling price fell short of the $200,000-plus expected by the auction house.

1st Private Cygnus Supply Spacecraft Leaves Space Station

The first privately built Cygnus cargo ship to visit the International Space Station detached from the orbiting lab Tuesday (Oct. 22) and is poised to destroy itself in Earth's atmosphere in a fiery finale to its successful test flight.

Australia's Wildfires: Are Eucalyptus Trees to Blame?

The wildfires that are now threatening Sydney and other parts of New South Wales, Australia, are burning out of control, despite intensive firefighting efforts.

US Carbon Dioxide Emissions Drop 3.8 Percent

A mild winter, new car efficiency standards and the continued switch from power plants run by coal to those fueled by natural gas, a cleaner-burning fuel, were behind a 3.8-percent drop in U.S. carbon dioxide emissions in 2012, announced by the U.S. Energy Information Administration Monday (Oct. 21).

There's Gold in Them Thar Trees

Trees may turn golden for reasons that have nothing to do with the onset of autumn: Eucalyptus trees can hold grains of gold, potentially helping reveal buried treasure, scientists now find.

Orbital Sciences' cargo ship departs International Space Station

By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - Virginia-based Orbital Sciences Corp completed a successful test mission at the International Space Station on Tuesday, clearing the firm to begin regular cargo runs for NASA under a $1.9 billion contract. Using the space station's robotic arm, astronauts aboard the station plucked the Orbital Sciences' Cygnus capsule from its docking port and released the unmanned capsule into space as the two sailed high over the Atlantic Ocean. ...

Hurricane Raymond Seen from Space (Satellite Photos)

Hurricane Raymond has been menacing the Pacific coast of Mexico with heavy rains, strong winds, storm surge and rough surf. Before Raymond blew up into a major hurricane yesterday (Oct. 21), satellites snapped pictures of the nearly stationary storm.

Talking Directly to Toddlers Boosts Their Verbal Skills

Though toddlers are not yet fully developed as conversationalists, talking directly to them could help strengthen their vocabulary and language skills, according to a new study. Overheard conversations and TV, meanwhile, don't do as much for verbal development, the research suggests.

Antarctic Ozone Hole Hits 2013 Peak Size

The Antarctic ozone hole reached its biggest extent for the year on Sept. 26, 2013, the National Oceanic and Atmospheric Administration announced yesterday.

Amateur Astronomer Spots Stunning Rosette Nebula in Full Bloom (Photo)

Distant clouds of gas and dust form the likeness of a rose in this beautiful image of aptly named Rosette Nebula captured by a skilled amateur astronomer.

Meteorite Study Suggests Mars Atmosphere Trapped in Rocks, Not Lost in Space

The atmosphere of Mars may not have escaped into space billions of years ago, scientists say. Instead, the bulk of Mars' carbon dioxide gas could be locked inside Martian rocks.

Tower of Power: Australia Fires Spawn Pyrocumulus Clouds

Australia's massive wildfires have sparked billowing pyrocumulus clouds — menacing columns of water vapor and smoke that tower over raging firestorms.

For Sale: Balloon Rides to Near-Space for $75,000 a Seat

You don't have to climb aboard a rocket ship to be a space tourist anymore.

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Monday, October 21, 2013

FeedaMail: Science News Headlines - Yahoo! News

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Humans and Rats Think Alike After Making Mistakes

When it comes to learning from mistakes, humans and rats think alike, research suggests.

Newly discovered asteroid missed Earth but will return in 2032

MIAMI (Reuters) - A newly discovered asteroid made a "close" approach to Earth this week - at least in astronomical terms - and it is likely to come back around in 2032, but there is only a miniscule risk of it smashing into the planet, NASA said on Friday. The asteroid known as 2013 TV135 came within 4.2 million miles (6.7 million km) of Earth on Wednesday, the U.S. space agency said. It was discovered on October 8 by astronomers at the Crimean Astrophysical Observatory in Ukraine. ...

Stargazer Captures Stunning Image of Edge-On Spiral Galaxy (Photo)

What might appear to some like a flying saucer careening through deep space is actually a photo of a majestic spiral galaxy taken by a veteran astrophotographer.

Life After Death? New Techniques Halt Dying Process

NEW YORK — The line between life and death is not as clear as once thought, now that developments in the science of resuscitation have made it possible to revive people even hours after their heart has stopped beating and they are declared dead, medical experts say.

Breast Milk Bought Online May Have High Levels of Bacteria

Breast milk sold online may be contaminated with disease-causing bacteria, researchers have found.

Online Dating Game: 1 in 10 Americans Have Tried It

Match.com, eHarmony, Okcupid: People looking for love online have many options.

Orionid Meteor Shower Sparks Bright Fireballs (Video)

The Orionid meteor shower produced some amazing cosmic sights for stargazers, including two brilliant fireballs, despite a bright moon and predictions of a less-than-stellar show.

Troops Call for Military Airstrike? There's an App for That

The U.S. military is developing an app that may one day enable troops in battle to call in airstrikes using their smartphones. The technology could help reduce the amount of friendly or civilian casualties during combat operations, according to the app's developers.

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Sunday, October 20, 2013

FeedaMail: Science News Headlines - Yahoo! News

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How Google Street View Could Fight Invasive Species

Google's online street views could help scientists track and fight invasive species over the Internet, researchers say.

Astronauts Take Underwater Moonwalk In 'Apollo 11 Under the Sea' (Photos)

It's a haunting sight: a lonely astronaut clad in a spacesuit, standing in a gray, otherworldly landscape.

10-Year-Old NASA Space Telescope Now Spying on Alien Planets

Designed when the number of confirmed exoplanets could be counted on two hands, NASA's Spitzer Space Telescope has become a strong observer of these distant bodies, thanks to engineering forethought and ingenuity.

Orionid Meteor Shower Peaking Now: See Shards of Halley's Comet Online

The leaves are turning, there's a nip in the air and the Orionid meteor shower spawned by Halley's Comet is at its peak overnight tonight (Oct. 20).

How Science Figured Out the Age of the Earth

Argentine scientists tap cow burps for natural gas

By Maximiliano Rizzi BUENOS AIRES (Reuters) - Argentine scientists have found a way to transform the gas created by the bovine digestive system into fuel, an innovation that could curb greenhouse gases that cause global warming. Using a system of valves and pumps, the experimental technique developed by Argentina's National Institute of Agricultural Technology (INTA) channels the digestive gases from bovine stomach cavities through a tube and into a tank. ...

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