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Wednesday, August 14, 2013

FeedaMail: Science News Headlines - Yahoo! News

Science News Headlines - Yahoo! News

Policing New York: From Broken Windows to Stop-and-Frisk

NEW YORK — The dramatic drop in crime in New York City over the past two decades has been hailed as a police success story. But some people question what that success really means.

Hubble Telescope Finds Source of Cosmic Stream Near Milky Way (Photos)

For decades, scientists were at a loss to explain the source of the so-called Magellanic Stream, a long ribbon of gas discovered in the early 1970s that extends nearly halfway around the Milky Way.

Monarch Butterfly's Birthplaces Pinpointed

The migration routes of the iconic monarch butterfly across the North American continent have been mapped in unprecedented detail. New research shows that it may take as many as five generations for monarchs to make it north out of Mexico, venturing as far as southern Canada, before returning and flying back south of the border for the winter.

Teens Quit Pot If Their Friends Are Smoke-Free

NEW YORK — Whether teen marijuana users end up quitting the drug depends largely on who their friends are, a new study suggests.

Why Moms Join Facebook

NEW YORK — Women of the baby boomer generation often say they started using Facebook because family members — in particular their daughters — convinced them to join the social networking site, a new study suggests.

Trove of Pristine Shipwrecks May Be Buried Around Antarctica

The oceans surrounding Antarctica may be littered with buried shipwrecks in pristine condition, new research suggests.

Alien Planet Eclipse Seen In X-Ray Light: A Cosmic First

A hot alien planet that's as big as Jupiter and cobalt blue in color has been spotted crossing in front of its parent star in the X-ray spectrum — a first for scientists.

Mars Food Scientists End 4-Month Mock Space Mission In Hawaii

Six scientists emerged from a space habitat on Hawaii's Big Island Tuesday (Aug. 13), ending a four-month simulated mission designed to study how best to feed astronauts during the long trip to Mars.

Oldest Rock Art in North America Revealed

On the west side of Nevada's dried-up Winnemucca Lake, there are several limestone boulders with deep, ancient carvings; some resemble trees and leaves, whereas others are more abstract designs that look like ovals or diamonds in a chain.

Why Some Remember Dreams, Others Don't

People who tend to remember their dreams also respond more strongly than others to hearing their name when they're awake, new research suggests.

US Infertility Rates Drop Over Last 3 Decades

Infertility rates among U.S. women have fallen, but more women who eventually do get pregnant are having problems conceiving or carrying a child to term, a new report suggests.

Viral Videos May Harm Cute, Threatened Animals

In early 2009, a man in St. Petersburg, Russia, uploaded a video onto YouTube in which his pet pygmy slow loris — a small, threatened Asian primate — gets tickled. The video quickly went viral, garnering millions of views and thousands of comments. But such videos of "cute" exotic species may be fueling the illegal pet trade of the animals, pushing them nearer to extinction, new research suggests.

Small Volcanic Floods Packed Biggest Punch in Iceland

The volcanic eruptions in Iceland that disrupted travel in 2010 generated floods that now reveal a paradox: Small deluges of water after eruptions may actually change the volcanic island's landscape more than larger ones do, researchers say. And these findings could also apply to the ruddy landscape of Mars.

6 Ways Entrepreneur Elon Musk Is Changing the World

The super-fast "Hyperloop" travel concept is just the latest in a series of big, bold dreams by billionaire entrepreneur Elon Musk.

Your Jetpack Is Ready – Almost

The gang on the television program "Lost in Space" had them. The action heroes of "Thunderbirds" had them, too, as did "The Rocketeer" and cartoon figure Jonny Quest.

Starship Congress Warps Into Dallas This Week: How to Watch Online

Scientists from around the world will descend on Dallas, Tex., Thursday (Aug. 15) for a summit aimed at understanding the major challenges to launching humanity on interstellar voyages across the universe.

NASA Maps Dangerous Asteroids That May Threaten Earth (Photos)

If you've seen films like "Armageddon," you know the potential threat asteroids can be for Earth. To meet that threat, NASA has built a map like no other: a plot of every dangerous asteroid that could potentially endanger our planet … at least the ones we know about.

Gene study uncovers origins of many common cancers

By Kate Kelland LONDON (Reuters) - Researchers in Britain have set out the first comprehensive map of mutational processes behind the development of tumors - work that should in future lead to better ways to treat and prevent a wide range of cancers. In a study published in the journal Nature on Wednesday, researchers who analyzed more than 7,000 genomes, or genetic codes, of common forms of cancer uncovered 21 so-called "signatures" of processes that mutate DNA. ...

West Antarctica Warmed Quickly ... 20,000 Years Ago

The modern meltdown of the Antarctic Ice Sheet mirrors the frozen continent's big thaw after the last ice age ended 20,000 years ago, a new study finds.

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Tuesday, August 13, 2013

FeedaMail: Science News Headlines - Yahoo! News

Science News Headlines - Yahoo! News

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Apocalypse Now: This Family Built a Castle to Survive Doomsday

Atop one large foothill here deep in the Carolina woods lies a most unlikely site: a castle, replete with a drawbridge, portcullis — and an underground bunker.

Did Neanderthals Teach Modern Humans How to Make Tools?

Neanderthals apparently created the oldest known examples of a kind of bone tool used in Europe, thus raising the possibility that modern humans may have learned how to make these tools from Neanderthals, researchers say.

Near-Death Experiences May Be Triggered by Surging Brain Activity

Near-death experiences could be caused by a surge of electrical firing in the dying brain, new research in animals suggests.

Autism Linked with Induced Labor

Babies born to women whose labor was induced, or whose contractions were strengthened, with medical procedures such as hormone treatments, face an increased risk of autism, a new study suggests.

Hyperloop Unveiled: Billionaire Elon Musk Reveals Wild Idea for Superfast Travel

A year after first teasing the public about his "Hyperloop" travel concept, billionaire entrepreneur Elon Musk has finally revealed details about the potentially revolutionary transportation system of tomorrow.

Identical twin U.S. astronauts to serve as research subjects

By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - NASA's only identical twin astronauts are planning to serve as guinea pigs for studies investigating the genetic impacts of long-duration spaceflight. Astronaut Mark Kelly, who commanded four space shuttle missions including the final flight of Endeavour, is set to be a test subject on Earth while his twin undergoes studies in orbit. Kelly left NASA in 2011 to care for his wife, former U.S. Representative Gabrielle Giffords. ...

California billionaire unveils futuristic 'Hyperloop' transport

By Rory Carroll SAN FRANCISCO (Reuters) - California billionaire Elon Musk took the wraps off his vision of a futuristic "Hyperloop" transport system on Monday, proposing to build a solar-powered network of crash-proof capsules that would whisk people from San Francisco to Los Angeles in half an hour. In a blog post, Musk, the chief executive of electric car maker Tesla Motors Inc described in detail a system that, if successful, would do nothing short of revolutionizing intercity transportation. But first the plan would have to overcome questions about its safety and financing. ...

U.S. horse association will be ordered to allow clones on registry

By Brendan O'Brien (Reuters) - A U.S. horse association soon will be required to add cloned horses and their offspring to its prestigious registry, a federal judge in Texas ruled on Monday. The decision could encourage cloning and open the way for the animals to participate in lucrative horse races. U.S. District Court Judge Mary Lou Robinson said she will sign an order requiring the American Quarter Horse Association to begin allowing cloned animals to be placed on its registry, according to the organization. ...

Home Life Stresses Working Moms More Than Dads

Thinking about family matters at the office is more stressful to working moms than dads, new research finds.

Ex-Google Exec Believes In Crowdfunding Entrepreneurship

In 2012, Dave Girouard stepped down as president of Google Enterprise and decided to take his life in a completely different direction. Along with a few fellow ex-Google employees, Girouard founded Upstart, a crowdfunding platform that offers college students and graduates ("upstarts") the capital, support and guidance they need to pursue their entrepreneurial dreams. Backers provide startup money for upstarts of their choosing, and in return, the upstarts share a small portion of their income over the next 10 years. ...

Space Station Delivery Capsules Now Being Delivered on Houston Mail

HOUSTON — The space capsules that are used to deliver crew and cargo to and from the International Space Station are now available for delivery on envelopes and postcards mailed through the Houston post office.

When Online Shoppers Are Likely to Overspend

Your competitive streak may end up costing you in a big way online. New research has found that visitors overspend on auction sites where they do not know who they are competing against.

How Men's Jobs May Affect Their Housework

What could make a man start doing a larger share of a couple's housework?

Extreme Heat May Aggravate Gastrointestinal Problems

Extremely hot weather makes us sweat and frizzes some people's hair, but a new study reports for the first time that it can also worsen some gastrointestinal (GI) problems.

Google Glass Required? Wearable Tech Hits the Office

Wearable technology, like Google Glass or Jawbone, could soon be coming to an office near you.

Before Hyperloop: 6 Futuristic Transit Ideas

The Hyperloop transportation scheme proposed by billionaire entrepreneur Elon Musk has created quite a stir in transportation circles. But Musk is hardly the first to turn heads with a transport idea that's either brilliant or wacky.

The Truth About College Students and Casual Sex Revealed

NEW YORK — Contrary to popular belief, college students today aren't "hooking up" any more than in the past, a new study finds.

Byzantine Treasure Found in Ancient Trash Pit

Hundreds of coins, intact lamps and even ancient gold jewelry have been found in Israel, curiously discarded hundreds of years ago in a Byzantine garbage dump.

Tiny Chinese Island Sets Example for Sustainable Fishing (Op-Ed)

On Balance An Island of Hope in China Expert Voices: Op-Ed & Insights

Will Keystone XL Pipeline Create Many Construction Jobs? (Op-Ed)

Anthony Swift is an attorney in the International Program at the Natural Resources Defense Council (NRDC). Th Switchboard Expert Voices: Op-Ed & Insights

Three Dinosaur Species Become One

Gazelle-sized dinosaurs in the genus roamed Earth between 120 million and 125 million years ago, eating plants and cracking nuts with parrotlike beaks. They represent one of the most species-rich groups of dinosaurs known today, with at least nine different psittacosaurs identified since their discovery in 1923. But their ranks may have just gotten smaller.

Radioactive Water Leaks from Fukushima: What We Know

Here is what you need to know about the radioactive water leaking from Japan's Fukushima nuclear plant into the Pacific Ocean.

No Matter the Spin, Whales in Captivity Deserve Better (Op-Ed)

Expert Voices: Op-Ed & Insights.

NASA Finds Blinking Baby Stars with Cosmic 'Hula Hoop'

Astronomers using NASA's Spitzer Space Telescope have detected a system of young, blinking stars surrounded by a dusty "hula-hoop" of stellar leftovers that could form planets one day.

5 Odd Ways Your Tech Devices May Injure You

Computers and phones have made life easier for most of us, but perhaps harder for an unlucky few.

Sweet Disguise: Chocolate-Covered Elephant Ivory Seized in Macau

Ivory poachers go to sometimes-absurd lengths to smuggle prized pieces of elephant tusks across borders.

Doomsday Fear: Could an EMP Throw World into Chaos?

SOMEWHERE IN THE CAROLINA MOUNTAINS — If a nuclear bomb went off in the high atmosphere over the United States, it could possibly take out the electrical grids over most of the country. Likewise, a huge solar flare could create widespread devastation by knocking out electricity, experts say.

Baby Messiah: Why Court-Ordered Name Change Sparked Outrage

What's in a name? Plenty, according to a judge in Tennessee, who has taken the unusual step of changing a baby's first name from Messiah to Martin.

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