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Updated: 1 hour 54 min ago

India Zooms To Mars Much More Cheaply, But With Trade-Offs

Sat, 09/27/2014 - 7:02am

A U.S. probe cost $637 million to get to Mars; an Indian mission cost about a tenth as much. There are at least a few reasons why, both teams agree — starting with the differing shapes of each orbit.

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GMO Wheat Investigation Closed, But Another One Opens

Fri, 09/26/2014 - 5:14pm

Investigators from the U.S. Department of Agriculture say they cannot figure out how genetically modified wheat got into an Oregon field. Now GM wheat has been found growing in Montana, too.

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N.J. Braces For Future Disasters By Fleeing, And Fortifying, The Coast

Fri, 09/26/2014 - 4:51pm

Federal funds are supporting two different disaster-prevention approaches — coastal retreat, or people leaving flood zones, and coastal defense, or building infrastructure to protect at-risk areas.

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Florida's Manatees: Big, Beloved And Bitterly Contested

Fri, 09/26/2014 - 3:11pm

In one coastal community, some residents are trying to get manatees off the endangered species list. But manatee advocates say the sea cows, threatened by ecotourism, need more protection, not less.

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Everything Dies, Right? But Does Everything Have To Die? Here's A Surprise

Fri, 09/26/2014 - 6:03am

Meet two animals. Both are teeny. Both live in water. Both mature extra fast. But while one dies in about a week, the other — well, prepare to be amazed.

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Everything Dies, Right? But Does Everything Have To Die? Here's A Surprise

Fri, 09/26/2014 - 6:03am

Meet two animals. Both are teeny. Both live in water. Both mature extra fast. But while one dies in about a week, the other — well, prepare to be amazed.

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Supermarkets Waste Tons Of Food As They Woo Shoppers

Thu, 09/25/2014 - 4:09pm

In the U.S., consumers account for the biggest share of waste in the food chain. Demand for stocked shelves and unblemished produce, and confusion over date labels lead to mountains of tossed meals.

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To Predict Nobel Winners, Skip Vegas And Check The Fine Print

Thu, 09/25/2014 - 3:47pm

A careful analysis of the number of times research is cited in subsequent scientific papers can shed light on who is most likely to pick up a Nobel Prize.

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Obama Calls On International Community To Fight Ebola

Thu, 09/25/2014 - 11:54am

The president warned that the U.S. alone could not halt the epidemic and that without more help to stop the disease, hundreds of thousands of people could die.

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Sayonara To 'Super-Size Me?' Food Companies Cut Calories, So Do We

Thu, 09/25/2014 - 2:24am

Major food companies have cut trillions of calories, and studies show Americans are consuming fewer calories because of it. But some advocates think companies should do more to improve our diets.

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Research Institutions Will Have To Identify 'Dual-Use' Pathogens

Wed, 09/24/2014 - 2:11pm

Scientists are deeply divided on whether lab-made flu viruses are legitimate medical research or national security threats. A new federal policy asks institutions to evaluate those risks early on.

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After The NIH Funding 'Euphoria' Comes The 'Hangover'

Wed, 09/24/2014 - 10:54am

The way the National Institutes of Health doles out research grants accentuates booms and busts in the financing of scientific research. More variety in the length of grants could help.

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Three R's For The Digital Age: Rockets, Robots and Remote Control

Wed, 09/24/2014 - 8:18am

The World Maker Faire comes to one of the nation's most diverse neighborhoods.

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Scientists Step Up Food Fraud Efforts Following Horse Meat Scandal

Wed, 09/24/2014 - 8:15am

The latest report in response to the horse meat scandal of 2013 reminds us that the potential for fraud in the food supply is high. But scientists are working to predict and prevent the next incident.

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Success! India's First Mars Probe In Orbit And Working

Wed, 09/24/2014 - 7:42am

Scientists cheered and the prime minister congratulated his country on navigating "a route known to very few" to reach the Red Planet — something few other nations have accomplished.

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This Blog Is Ending Soon

Wed, 09/24/2014 - 6:11am

Krulwich and his Wonders are packing up, and before I go, I'd like to shake all your hands, each and every one of you, and say thank you. This is my goodbye.

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Obama Requests All Nations Participate In Climate Treaty

Wed, 09/24/2014 - 4:05am

Heads of state from well over 100 countries came to New York City this week to find ways to slow climate change. The summit is a dry run for a meeting next year to draft a treaty on global warming.

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Dire Predictions On Ebola's Spread From Top Health Organizations

Tue, 09/23/2014 - 6:00pm

The World Health Organization warns of more than 20,000 cases by early November if help doesn't arrive quickly in West Africa. The CDC projects 1.4 million cases by late January.

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Before You Take A Bite Of That Mushroom, Consider This

Tue, 09/23/2014 - 2:46pm

Guess what scientists found lurking inside a common-looking packet of supermarket porcini? Three entirely new species of fungi. That's what happens when you DNA sequence your dinner.

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Obama Calls For More Ambitious Approach To Climate Change In U.N. Speech

Tue, 09/23/2014 - 12:03pm

"There is such a thing as being too late," President Obama says in his address to the U.N. Climate Summit. The White House is touting tools to boost "global resilience" in the face of climate change.

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