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Tuesday, July 2, 2013

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Sea Lampreys Have Hot Sex

Male sea lampreys need to be pretty hot to attract females — thermally hot, that is.

How Bomb Tests Could Date Elephant Ivory

Bomb tests generations ago could indirectly help fight illegal poaching of African elephants, new research shows.

Oldest Grave Flowers Unearthed in Israel

The oldest example of grave flowers has been discovered in Israel.

How 3D Printing Can Build New Bone

Damaged bones could be fixed with a new technique that involves 3D printing a tissue using living stem cells.

Infertility May Be Linked to Taste Genes

Genes involved in tasting sweet and savory flavors on the tongue also play a key role in properly working sperm, new research in animals finds.

How Older Couples Handle Conflict: Just Avoid It

When older couples argue, they're more likely to handle the conflict by changing the subject, a new study finds.

Meteor Shower and Dancing Planets to Grace July Night Sky

Summer planets, constellations and a late-month meteor shower should combine to make July a skywatching treat, weather permitting.

Chemistry and physics: one needs the other

Unmanned Russian rocket crashes after launch in Kazakhstan

ALMATY, Kazakhstan (Reuters) - An unmanned Russian rocket carrying three navigation satellites crashed shortly after lift-off from the Russian-leased Baikonur launch facility in Kazakhstan on Tuesday, Russian media reported. There were no reported injuries. State-run Rossiya-24 television showed footage of the Proton-M booster rocket veering off course seconds after lift-off. It fell apart in flames in the air and crashed in a big ball of fire near the launch pad. ...

Russian Rocket Explodes and Crashes In Failed Launch

A Russian rocket exploded in a massive fireball late Monday (July 1), destroying three navigation satellites after a failed launch that appeared to veer out of control shortly after liftoff and crash back to Earth.

Marijuana Science: Why Pot Heads Are Slackers

The stereotype of pot smokers as lackadaisical loafers is supported by new research: People who smoke marijuana regularly over long periods of time tend to produce less of a chemical in the brain that is linked to motivation, a new study finds.

Farmers Discover Rare Meteorite in Minnesota Corn Field

For 40 years, University of Minnesota professor Calvin Alexander has been contacted by people who think they've found meteorites. They call, write, and come in to the lab of the curator of meteorites with rocks they think, or hope, are from outer space. Over four decades, Alexander has seen about 5,000 "meteorwrongs" that turn out to be regular Earth rocks. Until now.

What Caused Ancient Upheaval to Australian Landscape?

Between about 45,000 and 50,000 years ago, Australia experienced three radical changes. The continent was once home to a menagerie of giant creatures, or megafauna, such as marsupial versions of lions, rhino-size wombats, giant kangaroos and flightless birds, but about 90 percent of that megafauna disappeared during this time. A major, relatively brief shift in plant life — from grasses to trees — occurred during this period as well. And last but not least, humans colonized Australia during this period.

60 Billion Alien Planets Could Support Life, Study Suggests

Though only about dozen potentially habitable exoplanets have been detected so far, scientists say the universe should be teeming with alien worlds that could support life. The Milky Way alone may host 60 billion such planets around faint red dwarf stars, a new estimate suggests.

Saber-Toothed Predator Had an 'Embarrassing' Bite

More than 3 million years ago, a strange pouched predator stalked South America with fangs bigger than those of the fearsome saber-toothed cat.

Dig Begins at Richard III's Final Resting Place

A fresh excavation began Monday (July 1) at the site of Richard III's resting place.

Eating Healthy Fats During Pregnancy May Reduce Baby's Autism Risk

Women who eat certain types of "healthy fat" during pregnancy may reduce their risk of having a child with autism, a new study suggests.

Dolphins Get Free Ride from Gray Whale

Scientists taking stock of cetaceans off California's coast captured an amazing sight from the air: a pod of dolphins enjoying a free ride from a migrating gray whale.

Russian Rocket Crash Details Revealed

A Russian rocket crash yesterday (July 1) was likely caused by an emergency shutdown of the booster's engines 17 seconds into the flight, according to news reports.

What's the Worst Meal in the US?

The worst restaurant meal in America is not a burger and fries, but fried fish and dough, one advocacy group says.

Science of Summer: How Do Fireworks Work?

About halfway between the comparatively sedate Memorial Day and Labor Day holidays, you can't miss the pyrotechnical gloriousness that is Fourth of July. Come nightfall, thousands of fireworks displays will boom brightly across the country, celebrating America's birthday.

Incredible Technology: How to Engineer the Climate

Editor's Note: In this weekly series, LiveScience explores how technology drives scientific exploration and discovery.

Galapagos Tortoise 'Lonesome George' to Be Preserved

The world-famous Galapagos tortoise Lonesome George, the last known specimen of his kind, will be preserved by a team of taxidermists in New York, the American Museum of Natural History announced this week.

How Clean Air Act Made Atlanta Rains Rebound

Anti-pollution measures enacted in the United States in 1970 likely led to a rebound in rainfall over the city of Atlanta in the 1970s and 1980s, new research shows.

Why Is it So Hot in the Southwest?

It hasn't been this hot in the Southwest in June for 110 years.

2 Pluto Moons Get New Names (Sorry 'Star Trek' Fans)

It's official! Two tiny moons orbiting the dwarf planet Pluto finally have new names: Styx and Kerberos.

200-Year-Old Fish Caught Off Alaska

In 1813, President James Madison occupied the White House, Americans occupied Fort George in Canada (a result of the War of 1812) and a rockfish was born somewhere in the North Pacific.

Painkiller Overdose Deaths Increase 400% in Women

The percentage of U.S. women overdosing on prescription painkillers has increased sharply in recent years, according to the Centers for Disease Control and Prevention.

Americans Give Up Searching for 'Dream' Jobs

More than half of U.S. employees are looking for a professional change, new research shows.

Combined Heat-Energy Power System Can Cut Emissions (Op-Ed)

, contributed this article to LiveScience's Expert Voices: Op-Ed & Insights

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Monday, July 1, 2013

FeedaMail: Science News Headlines - Yahoo! News

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Incredible Technology: How to Do Brain Surgery

Editor's Note: In this weekly series, LiveScience explores how technology drives scientific exploration and discovery.

Massive Earthquakes Make Volcanoes Sink

The biggest earthquakes also move mountains.

Parents Beware: Kids' Wire Hampers Pose Eye Dangers

Pop-up clothes hampers with wires inside their fabric may do more than hold dirty laundry. If the hamper's fabric edges fray, and the coiled wire inside it pops out, it could seriously injure a child's eye, a new case study reports.

Painful Problem: Why Kids Face Chronic Pain

Chronic pain in children and teenagers is a dramatically growing problem, with hospital admissions for youngsters with the condition rising ninefold between 2004 and 2010, a new study suggests.

Why Hong Kong Skyscrapers Look Like They're Falling

The illusion of toppling skyscrapers in Hong Kong is now yielding insights on how the brain distinguishes up from down, researchers say.

NASA Shuts Down Galaxy-Hunting Space Telescope

NASA has turned off a decade-old space telescope, a year after loaning the orbiting instrument to a university that operated it with private funding.

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Sunday, June 30, 2013

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Twinkle, Twinkle Little Sapphire: Space-Inspired Jewelry Sparkles in Exhibit

NEW YORK — From twinkling stars and graceful comets to glowing rockets, space has been a popular subject for jewelers throughout history. Now an exhibition draws together choice examples of space-themed jewelry from before the space race to today.

Asteroid Miners to Use 3D Printing for Space Telescopes

3D printing could help the asteroid-mining industry get off the ground.

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Saturday, June 29, 2013

FeedaMail: Science News Headlines - Yahoo! News

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Retired Research Chimps Get Second Chance at Life

Plans announced this week by the National Institutes of Health (NIH) to retire most of its 360 research chimpanzees introduces the question of where these chimps will go. The answer has yet to be determined.

Researchers See Through Walls With 'Wi-Vi'

Want Xray vision like the man of steel? A technology that lets you see behind walls could soon be built in to your cell phone.

Nanoparticles Help Scientists Tell Left From Right

Have trouble telling left from right? Believe it not, so do molecular scientists. But a new method that amplifies the difference between right-handed and left-handed molecules could make things easier for scientists and lead to the development of new nanomaterials, optical sensors and pharmaceutical drugs.

Weekend Stargazing: Celestial Scorpion Reigns in Night Sky

There's a giant scorpion hovering overhead, but have no fear. This creepy crawler is actually the constellation Scorpius. It's all sparkle and no sting.

Building PayPal Galactic for Off-World Payments Will Take Years

MOUNTAIN VIEW, Calif. — Developing a cosmic cash system to meet the needs of future space tourists and interplanetary settlers is a complicated task that will take several years to complete, leaders of the new project say.

Video Catches Exotic Bird Laying Eggs

Secret cameras captured rare footage of a southern cassowary laying eggs at the Edinburgh Zoo for the first time in 27 years.

Ob-Gyn Shortage Is Going to Get Worse (Op-Ed)

NASA picks Florida agency to take over shuttle landing strip

By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - NASA has selected Space Florida, a state-backed economic development agency, to take over operations, maintenance and development of the space shuttle's idled landing site at the Kennedy Space Center in Florida, officials said on Friday. Terms of the agreement, which have not yet been finalized, were not disclosed, but Space Florida has made no secret about its desire to take over facilities no longer needed by NASA to develop a multi-user commercial spaceport, somewhat akin to an airport or seaport. ...

'White House Down': What It Takes to Protect the President

Hollywood seems to have the ingredients needed for a blockbuster disaster movie down to a science: lots of explosions, action-packed fight sequences and nefarious criminals laying siege to the government, a city or the world.

Why Women Are More Likely to Be Bisexual

Women may be more "hetero-flexible," or be primarily attracted to men with some same sex attraction, because same-sex behavior allowed women to raise their children with other women, a new study has proposed.

NASA Space Shuttle Runway Gets New Life as Commercial Spaceport

CAPE CANAVERAL, Fla. — The famous seaside space shuttle runway here at NASA's Kennedy Space Center may have a second life soon as a launch and landing spot for a whole new type of space mission: tourist flights.

Social Lemurs Have More 'Street Smarts,' Study Finds

Lemurs that come from big tribes and live in large groups exhibit more "social smarts" than those that live with only a few companions, finds a new study that suggests the size of a primate's social network could influence its social intelligence.

Chilean Mummies Reveal Ancient Nicotine Habit

The hair of mummies from the town of San Pedro de Atacama in Chile reveals the people in the region had a nicotine habit spanning from at least 100 B.C. to A.D. 1450.

Space Shuttle Atlantis Launches on Public Display in Florida

CAPE CANAVERAL, Fla. — Space shuttle Atlantis, the final orbiter among NASA's winged fleet to fly in space, launched on its new mission Saturday (June 29) as the centerpiece of a $100 million tourist attraction in Florida.

Leading light in science, Italy's 'lady of the stars' Hack dies

By Naomi O'Leary ROME (Reuters) - Astrophysicist Margherita Hack, a popular science writer, public intellectual and the first woman to lead an astronomical observatory in Italy, died on Saturday at the age of 91. Known as the "lady of the stars", Hack's research contributed to the spectral classification of many groups of stars, and the asteroid 8558 Hack is named after her. ...

Space Shuttle Atlantis Exhibit Opens with Support from Souvenirs

CAPE CANAVERAL, Fla. — It would not be a proper Florida theme park attraction if you didn't exit through the gift shop.

Leading light in science, Italy's "lady of the stars" Hack dies

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