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Coral Sex Just Got a Little More Interesting
March 1, 2012
A team of Australian scientists has found that when exposed to turbulence, many coral embryos will break into genetically identical pieces, each with the ability to develop into its own fully functioning organism.
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When the Ocean Gets Choppy, Corals Clone
Feb. 28, 2012
A team of Australian scientists have that corals can clone in a similar way that humans eggs split to create identical twins.
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Ballots of Yore: A History Lesson in Voting Technology
Feb. 23, 2012
From clunky polling machines to the famous butterfly ballot, internet voting isn't the only ballot technology that's been fraught with problems. Political historian and curator William Bird provides us with a glimpse of various American voting systems through time and the problems they've encountered.
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Marine Experts Flummoxed by Mass Dolphin Strandings
Feb. 16, 2012
Scientists and volunteers respond to stranded dolphins on the shores of Cape Cod.
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Russians Drill Into Ancient Lake in Coldest Spot on Earth
Feb. 9, 2012
After decades drilling through more than two miles of ice in the coldest spot on Earth, Russian scientists announced this week that they reached their goal: a subglacial lake the size of Lake Ontario, which has been sealed off from the world for as long as 20 million years.
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In Earthquakes, 'Liquefied' Ground Can Topple Buildings, Swallow Cars
Feb. 2, 2012
On Wednesday's NewsHour broadcast, we aired an excerpt of a "NOVA" piece about a dense trove of ice age fossils found near Colorado's Snowmass Ski Resort. One theory is that these animals were snuffed out by a phenomenon called liquefaction, which can strike during an earthquake.
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How Do You Spot a Black Hole? Look for Its 'Burp'
Jan. 26, 2012
Last week, a team of astronomers met in Arizona to discuss ambitious plans to see the unseeable. Using data pulled from a group of ground-based telescopes and assembled by a supercomputer, their plan is to capture, for the first time, an image of a black hole.
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Rediscovering Charles Darwin
Jan. 18, 2012
Last spring, a British scientist reached into the back of a cabinet and pulled out a fossil with a signature that looked an awful lot like Charles Darwin's. Turns out it was. Here is a sample of the fossils, which include seeds, extinct tree samples and fungus crushed into glass panels.
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Giant Galaxy Cluster, Blue Stars and Cosmic Explosions
Jan. 12, 2012
In the far-flung distant universe, 7 billion light years away, a super galaxy cluster has been discovered by an international team of scientists. It's the most massive, hottest, brightest galaxy cluster ever seen, and so astonishingly enormous that it's been dubbed El Gordo -- Spanish for "the fat one."
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Galaxy Clusters, Blue Stars and Cosmic Explosions
Jan. 12, 2012
Skywatchers gathered in Austin, Texas, this week at the 219th American Astronomical Society meeting. Here's a look at some of the most exciting interstellar space findings, and the images that accompany them.
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Honey, I Blew Up the Ants
Jan. 5, 2012
Researchers have found that with the right formula, they can induce otherwise normal ants to develop into a supersized version called a supersoldier. The finding was released on Thursday in the journal Science.
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Ants, Supersized
Jan. 5, 2012
Researchers have found they can activate the development of supersized "supersoldier" ants. The study is published in the journal Science on Thursday. Here are some photos of pheidole ants, captured by biologist and photographer Alexander Wild, who studies the evolutionary history of insects.
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The Science of Snowflakes, and Why No Two Are Alike
Dec. 22, 2011
Peer through a magnifying glass at a snowflake, and you'll see an ice creation more elaborate than anything Martha Stewart could cut from folded paper.
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The Science of Snow Crystals
Dec. 21, 2011
It's true: no two snowflakes are alike. But they come in more shapes than you might think. Check out some samples in this slideshow.
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Spacecraft Snaps Giant Asteroid Vesta Up Close
Dec. 15, 2011
NASA's Dawn spacecraft is in orbit around Vesta, the second-most massive object in the asteroid belt between Mars and Jupiter, snapping pictures of the protoplanet's rugged surface and beaming them back to Earth, revealing images of craters, mountains, rocky plains and steep slopes.
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Asteroid Vesta Revealed
Dec. 15, 2011
On December 12, Dawn maneuvered into its closest orbit yet around giant asteroid Vesta. The spacecraft is now circling Vesta at an altitude of about 130 miles. Since NASA's spacecraft dawn snapped into orbit around the object, it has been snapping pictures of the asteroid's rugged surface and beaming them back to Earth.
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Science, Skin Deep
Dec. 8, 2011
Carl Zimmer's latest book, "Science Ink: Tattoos of the Science Obsessed," includes a virtual gallery of science-inspired tattoos, the stories of the scientists behind the ink and the science behind the stories. Here is a sample from his book.
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The Art of the Science Tattoo
Dec. 8, 2011
Proof that scientists are a creative, edgy tribe, and eager to express themselves beyond the conference lecture and the journal abstract: a book of more than 1,000 images of body art, from DNA to galaxies.
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Behind the Backscatter: The Health, Security Implications of Body Scanners
Dec. 1, 2011
On Thursday's NewsHour broadcast, Miles O'Brien reports on the safety of the latest backscatter body-scanning machines that are widely used in American airport security. Hari Sreenivasan caught up with Miles this week to get some behind-the-scenes intelligence on the piece.
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Curiosity Rover Prepped to Begin 300 Million-Mile Journey to Mars
Nov. 25, 2011
Weather permitting, the Mars Science Laboratory will lift off from the Cape Canaveral Air Force Station in Florida at 10:02 a.m. ET Saturday and start its eight-month, 354-million-mile journey to Mars.
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Drooling Electrons, Thermodynamics and Beta Decay ... in Verse
Nov. 17, 2011
In Mala Radhakrishnan's world, where oxygen and palladium atoms clamor to get into the most sought-after beaker, and tortured carbon atoms become boron swans, chemistry is rift with mystery, jealousy and, yes, romance.
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'Hacker' Group Safecast Crowdsources Radiation Data in Japan
Nov. 10, 2011
While in Tokyo, Miles spoke to Hari Sreenivasan about his trip with Safecast workers into the voluntary exclusion zone around the Fukushima Daiichi nuclear plant, where they detected levels reaching the equivalent of six X-rays per day.