2015年2月18日 星期三

2015-02-19 U.S. Science


CNET
   
Transient star grazing our solar system 'just left,' cosmically speaking   
CNET
The nearest star beyond our own sun is 4 light-years away, but not long ago (in terms of cosmic time) a small binary star system buzzed the edge of our solar system, coming five times closer to Earth. by Eric Mack · @ericcmack; 18 February 2015 10:41 pm ...

Close brush between our solar system and a star reported   Los Angeles Times
Alien Star Buzzed Our Solar System 70000 Years Ago, New Research Shows   Huffington Post
Alien star system buzzed the Sun   BBC News
Discovery News   
The Week Magazine   
NBCNews.com   
all 138 news articles »   


Forbes
   
Sea Snails Make Nature's Strongest Material And It's Not Their Shells   
Forbes
The winner in the strong man competition of the natural materials world might surprise you. The teeth of the aquatic snail-like limpet may have snatched the title for strongest known natural material. “Until now we thought that spider silk was the strongest ...

Limpet teeth 'beat spider silk' in strength test   BBC News
Strongest material known to man? A limpet's tooth   Times LIVE
Step aside, Spider-Man! World's Strongest Material is Not Your Silk   Full-Time Whistle
SlashGear   
Washington Post   
all 186 news articles »   


The Space Reporter
   
Earth's ocean acidification mapped by satellites   
The Space Reporter
Our planet's oceans absorb over 25 percent of the carbon dioxide emitted by the burning of fossils fuels and cement production. Over time, the increased input of carbon dioxide renders the oceans more acidic and makes conditions harsher for some types of ...

Ocean Acidification Levels Seen From Space   Tech Times
Watch Ocean Acidification in Real Time   Scientific American
Global Ocean Acidity Revealed in New Maps   Live Science
VICE News   
SMN Weekly   
all 49 news articles »   


Huffington Post
   
This Field Of Otherworldly Sand Spires Was Carved By Wind   
Huffington Post
A blizzard may have thwarted photographer Joshua Nowicki's Valentine's Day plans with his wife, but it didn't stop him from venturing out with his camera and accidentally stumbling upon these otherworldly plains of sand spires on Lake Michigan's shore.
Wind Erosion Creates Startling Sand Shapes   Discovery News
Stunning Lake Michigan frozen sand images work of Western Michigan ...   MLive.com
Wind carves amazing formations in Lake Michigan sand   Battle Creek Enquirer
cleveland.com   
all 10 news articles »   


Discovery News
   
Europe's Space Truck Burns Up During Final Reentry   
Discovery News
In the end, Europe's fifth and final space station freighter went out in more of a fiery blaze than with the "big bang" of its namesake. Play Video · Space Probe Explodes On Earth Re-Entry. The Japanese Hayabusa probe exploded on its re-entry to Earth, but a ...

How Does The International Space Station Affect Humans On Earth?   Clapway
ESA ends its Automated Transfer Vehicle program with fireworks on re-entry   SMN Weekly
Spacecraft carrying 2.4 tons of garbage from ISS receives Viking funeral   The Space Reporter
PerfScience   
World Tech Today   
Phys.Org   
all 98 news articles »   


ABC News
   
500-Pound Fireball Illuminates Pennsylvania, Ohio, New York Pre-Dawn Skies   
ABC News
A 500-pound fireball meteor going 45,000 miles per hour caught by NASA Meteor Watch cameras, illuminated skies above Pennsylvania, Ohio and New York early Tuesday. The dense space rock, which was actually only about 2 feet in diameter, flare ...

Great Ball of Fire! Meteor Streaks Across Western Pennsylvania   NBCNews.com
Whoosh! Superbright Fireball Streaks Across Pennsylvania Sky (Video)   Space.com
The 500-Pound Fireball Over Pittsburgh   The Atlantic
Science Recorder   
all 122 news articles »   


CBS Local
   
Cratered surface of Ceres comes into focus as Dawn spacecraft closes in   
National Monitor
As the images of the dwarf planet Ceres become sharper, more questions about it are being raised than answered. Every day the headlines report the 'best ever view' of the dwarf planet Ceres and every day the headlines are true. That will continue to be the ...

New, Better Images Of Dwarf Planet Ceres Taken By Dawn   Tech Times
Ceres' images getting sharper, thanks to Dawn   Techie News
Sharper images of dwarf-planet Ceres show strange bright spots   CNET
The Escapist   
Vox   
Los Angeles Times   
all 89 news articles »   


Nature World News
   
Noise Pollution: Why We Should Embrace It   
Nature World News
Pictured: In the color-coded map, the darkest blue regions are the quietest and below 20 decibels, while bright yellow areas represent noise levels of 50 decibels or more. (Photo : NPS Natural Sounds and Night Skies Division). There is no doubt that America ...

Loudest and quietest parts of the US   Tucson News Now
Where Can You Find Some Peace and Quiet? One Map Shows the Loudest and ...   IJ Review
Listen...Utah among America's quietest states   Salt Lake Tribune (blog)
Care2.com   
io9   
CityLab   
all 50 news articles »   


Mother Jones
   
New York City Is About to Get a Lot Hotter   
Mother Jones
A new study warns that the Big Apple's average temperature could increase by up to 9 degrees Fahrenheit this century. —By John Metcalfe. | Wed Feb. 18, 2015 4:26 PM EST. Email. Battery Park Tunnel, Manhattan, floods after Hurricane Sandy.
New York City Faces a Sweaty, Flooded Future—and That Matters to Everyone   TakePart
The numbers in the new NYC climate report are staggering   Business Insider
Future of New York Could Be Wet, Hot and Flooded: Report   NBCNews.com
Stanly News & Press   
CityLab   
SMN Weekly   
all 50 news articles »   


National Geographic
   
In a Curious Case for Astronomers, a Brown Dwarf Goes Missing   
National Geographic
This illustration shows what a brown dwarf, one of the coldest starlike bodies known, might look like. Illustration by NASA/JPL-Caltech. Andrew Fazekas. for National Geographic. Published February 18, 2015. Astronomers are trying to crack a strange new ...

New SPHERE instrument shows its power   Astronomy Magazine
New planet-hunting tool chases after star system's little brown dwarf   CNET
Even VLT Is Having Difficulty Finding Missing Brown Dwarf   Tech Times
Phys.Org   
all 17 news articles »   

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