April 04, 2014

10:00 PM | The Week In Numbers: An Alien Ocean, Beer-Flavored Jelly Beans, And More
Enceladus In this image, you can see the fissures on Enceladus' southern region from which its jets of water vapor emerge. Image courtesy of NASA/JPL/Space Science Institute 310 miles: the diameter of Saturn's moon Enceladus, whose large underground ocean is now a top candidate for extraterrestrial life 10 million microbes per square centimeter: the population density of human skin (see what's living with you here) Sam Kaplan $9: the price per pound of Jelly Belly's new beer-flavored […]
4:48 PM | Simple Invention For Sealing Gunshot Wounds Gets FDA Approval
XStat Photograph by Ralph Smith The pocket-sized XStat, a hemorrhage-stopping invention we wrote about in February, yesterday received approval from the U.S. Food and Drug Administration as a first-of-its-kind medical dressing. This means that the U.S. Army, which funded development of the sponge-filled syringe, can now purchase XStat to be carried by military medics.  XStat plugs gunshot and shrapnel wounds faster and more effectively than the standard battlefield first aid. […]

April 01, 2014

6:45 PM | A Chemistry Prank From The April 1939 Issue Of Popular Science
From the April 1939 issue of Popular Science magazine WARNING: This is just a historical romp—so don't try it. Mercury and its compounds are toxic and can be corrosive. They can also emit harmful vapors even at room temperature, and may be fatal if heated and inhaled.     

March 27, 2014

4:30 PM | Mars One To Build Simulated Colony For One-Way Astronauts
Mars colony Mars One Creating a permanent human settlement on Mars by 2025 will require serious training. To prepare its future astronauts for the task, the Netherlands-based private spaceflight project Mars One announced today its plans to construct Earth-based outposts that replicate the cramped, isolated, crazy-making conditions of a Red Planet colony. In an email statement this morning, Mars One also named Kristian von Bengston—co-founder of Copenhagen Suborbitals, a private […]

March 25, 2014

6:42 PM | A Neutrino Walks Through A Bar, And More Science Jokes From Twitter
The October 1927 issue of Popular Science magazine On Monday, we asked our Twitter followers, "What's your favorite science joke?" The nerds delivered. Here are our favorites, organized by subject. Chemistry @PopSci I was going to tell a joke about sodium, but Na. — Ian Haygreen (@IanHaygreen) March 24, 2014 @PopSci Argon walks into a bar, bartender says "SCRAM! We don't serve Noble gasses!" Argon doesn't react. — bamage (@bamage02) March 24, 2014 @PopSci Two scientists […]

March 21, 2014

9:59 PM | The Week In Numbers: The Alcohol Content Of Rocket Fuel, Ripples From The Big Bang, And More
Laser antenna Robert Forward's proposed free-space laser antenna to detect gravity waves from the Crab Nebula. Central satellite of three has laser and beam splitter. Two outer spacecraft have reflectors. Bill Bourne/ Popular Science archives 1979: the year physicist Alan Guth came up with the theory of cosmic inflation, the dramatic expansion that created our universe (this week, scientists found the first direct evidence of Guth's theory) 681 billion pixels: the size of this new […]
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