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Tuesday, June 4, 2013

FeedaMail: Science News Headlines - Yahoo! News

Science News Headlines - Yahoo! News

Southern Europeans More African Than Thought

Southern Europeans get a significant portion of their genetic ancestry from North Africa, new research suggests.

Online Dating: The Secret to a Happy Marriage?

Couples who meet online and get married are slightly less likely to divorce than couples who first meet face-to-face, new research finds.

Autonomous Rovers to Compete for $1.5 Million NASA Prize

NASA is ready to award $1.5 million in prizes next week for robotic rovers that can skillfully navigate mock alien terrain and collect samples all by themselves.

Hunt for Closest Alien Planet Gets Rare Boost From Stellar Alignment

The stars will align for planet hunters twice in the next three years, allowing them to probe the nearest star to our own solar system for Earth-size alien worlds.

Earliest Evidence of French Winemaking Discovered?

An ancient limestone platform dating back to 425 B.C is the oldest wine press ever discovered on French soil.

Killer Bee Attack: Science Explains Man's Death

A Texas man died after being attacked by a swarm of Africanized honeybees, sometimes called "killer bees."

LA Pollution Is Losing Its Sting, Study Shows

An "eye-stinging" air pollutant in Los Angeles is decreasing due to stricter vehicle emissions standards in Southern California and the United States, a new study that examined emissions of chemicals in the City of Angels found.

Testosterone Prescriptions Nearly Triple in Last Decade

The percentage of middle-aged men in the United States taking testosterone to treat symptoms of low testosterone, or "low T," has increased substantially in recent years, a new study suggests.

Want to Live Longer? Eat a Plant-Based Diet

To stave off death by a few extra years, a vegetarian diet appears to be superior to a non-vegetarian one, according to results of a study of more than 73,000 people published today (June 3) in the Journal of the American Medical Association (JAMA).

AIDS Exhibit Explores Early Years of Epidemic

NEW YORK - Young people today do not know a world without AIDS, and many may not be aware of the confusion, fear and panic that surrounded its emergence as a completely new disease.

Sunscreen Can Slow Skin Aging, Study Suggests

One secret to younger-looking skin may be as simple as remembering to slather on sunscreen every day, a new study suggests.

Storm-Chaser Deaths a 'Wake-Up Call,' Researcher Says

Shock waves rippled through the overlapping communities of meteorologists and storm chasers over the weekend with the news that veteran tornado-chasing scientist Tim Samaras, his son Paul and chase partner Carl Young died after running into a powerful twister near El Reno, Okla., on Friday (May 31).

Ghostly Seal & Sunlit Shark Make Photo Splash

An ethereal seal emerges from a forest of kelp in the winning photograph from the 2013 Annual Underwater Photography Contest held by the University of Miami Rosenstiel School of Marine & Atmospheric Science.

Earth Living Is Tough for Astronaut Used to Space

In a few moments, astronaut Chris Hadfield changed from an orbiting Man of Steel-type to one who needs to heal from microgravity's effects.

Dwarf Star Blasts out Stunningly Powerful Flares

A nearby star smaller than Jupiter punches far above its weight, firing off surprisingly intense flares that regularly triple its total brightness, scientists say.

Brain Surgery Is an Option for Patients with Severe OCD, Study Suggests

A type of brain surgery appears to be a relatively effective treatment for people with severe obsessive compulsive disorder (OCD) who have not responded to other treatments, a new study suggests.

Solar Plane Dodges Stormy Weather En Route to St. Louis

A solar-powered airplane is poised to complete its longest flight yet — from Dallas to St. Louis — in spite of stormy weather that threatened this leg of the aircraft's historic cross-country journey.

The Key Salary Negotiation Tactic That Works

If you are going to be asking for a raise anytime soon, you better come to the bargaining table prepared and informed, new research suggests.

Did Oral Sex Really Cause Michael Douglas' Cancer?

It appears that actor Michael Douglas had every major risk factor of throat cancer: He's reportedly engaged in excessive alcohol and tobacco use, and now he says he acquired HPV, or h papillomavirus, via oral sex. Is there a way to know which one ended up getting him sick?

Women Willing to Delay Antibiotics for UTIs

More women than previously thought may be willing to delay taking antibiotics to treat a urinary tract infection in order to reduce the potentially unneeded use of antibiotics, a new Dutch study shows.

Why Hands-Free Phones May Be Unsafe for Drivers

Voice-controlled texting and other hands-free tools may seem like safe options for using a cellphone while driving, but one researcher warns that the brain can't safely manage both tasks at once.

Brain Says Guilty! Neural Imaging May Nab Criminals

NEW YORK — Someday soon, judgments of guilt or innocence in a courtroom might be determined from a brain scan, scientists say.

Health Care Reform: Analytics May Offer a Cure (Op-Ed)

Multiverse or Universe? Physicists Debate

NEW YORK — Whether you believe our universe is unique or one of many coexisting realities, there's a scientific model that backs up your views. Cosmologists on both sides debated the issue June 1 here at the "Multiverse: One Universe or Many?" panel at the World Science Festival.

New Telescope Strategy Could Resolve Dark-Matter Mystery, Scientists Say

An intriguing hint of a certain type of gamma-ray light at the center of the Milky Way might be a product of elusive dark matter — or it might not be. For the past several years, scientists have debated whether the light is really there, and what it means. Now, researchers are petitioning the management team of NASA's Fermi Gamma-Ray Space Telescope, the observatory that saw the light, to change its observing strategy to determine once and for all whether the signal really exists.

Ocean Expedition Sets Sail to Probe Glacier Changes

Mountain glaciers are like giant sandpaper blocks, scouring their valley homes as they advance and retreat. This scrubbing tends to purge any past record of a glacier's size, foiling scientists' efforts to model the extent of mountain ice during past climate shifts.

Are Humans Getting Smarter or Dumber?

Is humanity getting smarter or dumber with time? The answer may be both.

China's latest manned space mission to launch this month

BEIJING (Reuters) - China will launch its next manned rocket in the middle of this month, carrying three astronauts to an experimental space module, state media said on Monday, the latest stage of an ambitious plan to build a space station. The Shenzhou 10 space ship and its rocket had already been moved to the launch area at a remote site in the Gobi desert, the official Xinhua news agency reported. Once in orbit, the Shenzhou 10 will link up with the Tiangong (Heavenly Palace) 1 module, which was moved into the correct orbiting position last month. ...

400-Million-Year-Old 'Spiny Shark' Fossil Found

The fossilized remains of a 408-million-year-old fish species have been found in Spain, a study reports.

Did Humans Really Eat Neanderthals?

No clear evidence suggests modern humans ate Neanderthals, much less that they did so enough to drive Neanderthals to extinction, despite recent claims from scientists in Spain.

Rocket Launch Tonight Will Be Visible from US East Coast

Skies across the Mid-Atlantic states are expected to be crystal clear tonight, and if all goes according to plan, the switchboards of local radio and television stations might see a sudden bevy of calls sometime between 11 p.m. and 11:59 p.m. EDT from people caught off guard by the sight of a sounding rocket. The booster will be carrying instruments to study when the first stars and galaxies formed in the universe and how brightly they burned their nuclear fuel.

Normal or Not? When One's Gender Identity Causes Distress

The latest edition of the mental health manual used by psychiatrists to diagnose disorders reveals a change in thinking on gender identity. The perspective change is similar to a decision made in 1973, when the American Psychiatric Association eliminated homosexuality from its disorders' list.

How to Shave Your Head in Space: Astronaut Video

Shaving your head is the simplest of haircuts here on Earth, but it presents some special challenges in space, as NASA astronaut Chris Cassidy recently demonstrated.

Saturn-Like Alien Planet Found by Little Telescope

INDIANAPOLIS — Tiny telescopes in Arizona and South Africa have spotted a Saturn-like planet in orbit around a star about 700 light-years from Earth.

Planets Found by Kepler Spacecraft Likely Larger Than Thought

INDIANAPOLIS — A large number of worlds found by NASA's Kepler alien planet-hunting space telescope are probably significantly larger than scientists previously estimated, a new study suggests.

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TRENDS IN NEUROSCIENCES

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Interview with Nancy Kopell

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Monday, June 3, 2013

FeedaMail: Science News Headlines - Yahoo! News

Science News Headlines - Yahoo! News

Need a Self-Esteem Boost? Look at Your Facebook Profile

Even if you're not living your best life you can make it look like you are on Facebook, and just glimpsing this idealized version of yourself can provide a rush of self-esteem, a new study shows.

Cloning Contest Seeks Worthiest UK Dog

Puppy lovers in the United Kingdom may soon get a chance to extend their dog years, thanks to an odd new contest: A South Korean company wants to clone the most beloved U.K. pooch — again raising ethical questions about the practice of pet cloning.

Scientists warn Atlantic puffins in peril in US

PORTLAND, Maine (AP) — The Atlantic puffin population is at risk in the United States, and there are signs the seabirds are in distress in other parts of the world.

How Facebook Is Making People Happier

It turns out, Facebook can be a lot like those funhouse mirrors that make you look a lot taller and thinner than you are. For some people, just viewing your life through the lens of your Facebook profile can make you feel better about yourself.

Wikipedia 'Edit Wars': The Most Hotly Contested Topics

A behind-the-scenes look at the so-called edit wars on Wikipedia has revealed the topics people argue about the most across the globe. The winners: religion and politics.

A Blast of a Find: 12 New Alaskan Volcanoes

In Alaska, scores of volcanoes and strange lava flows have escaped scrutiny for decades, shrouded by lush forests and hidden under bobbing coastlines.

Never-Before-Seen Alien Planet Imaged Directly in New Photo

A newly discovered gaseous planet has been directly photographed orbiting a star about 300 light-years from Earth. Imaging alien planets is difficult, and this world may be the least massive planet directly observed outside of the solar system, scientists say.

China Gears Up for Next Crewed Space Launch

China is readying its next piloted space mission with a three-person crew set to rendezvous and dock with the nation's Tiangong 1 space module now in Earth orbit.

4 Hurdles to Making a Digital Human Brain

NEW YORK — Futurists warn of a technological singularity on the not-too-distant horizon when artificial intelligence will equal and eventually surpass human intelligence. But before engineers can make a machine that truly mimics a human mind, scientists still have a long way to go in modeling the brain's 100 billion neurons and their 100 trillion connections.

Sex Matters: Men, Women Differ on Data Security

Two Microsoft studies have found that when it comes to technology, men and women may have different priorities when it comes to staying safe and secure.

Carbon Dioxide Greening Deserts

Beep, beep! There's more camouflage for sneaky roadrunners and wily coyotes in the deserts thanks to rising carbon dioxide levels in the atmosphere, a new study finds.

Mock Mars Mission Will Test Stresses of Red Planet Living

The question of how people can live and work together well on a mission to Mars may turn out to be one of the biggest challenges of deep-space exploration. To simulate the experience of a crew stuck inside cramped quarters under stressful conditions, a nonprofit is planning a one-year mock Mars mission in the Arctic.

SpaceX Chief Says Reusable First Stage Will Slash Launch Costs

PARIS — SpaceX chairman Elon Musk said the company's Dragon capsule, now used to ferry cargo to the international space station, should be ready to carry astronauts to and from space within two or three years, and that he is more optimistic than ever that a partially reusable rocket will accelerate the reduction in launch costs that SpaceX has already caused with its Falcon 9.

Navy Seeks Secrets of Cicada Song

For having relatively small bodies, cicadas make an impressive racket. Now, researchers with the U.S. Navy are trying to tap into the insects' acoustic abilities to create better techniques for remote sensing and other communications underwater.

No End in Sight: Debating the Existence of Infinity

NEW YORK — Despite being in existence for more than 2,000 years, the concept of infinity has endured as an enigmatic, and oftentimes challenging, idea for mathematicians, physicists and philosophers. Does infinity really exist, or is it just part of the fabric of our imaginations?

Galaxy in Throes of Death Spied for 1st Time

INDIANAPOLIS — A galaxy has been observed in its cosmic death-throes for the first time.

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