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Methane Bursts On Mars Could Hint At Previous Life

Scientists have seen mysterious bursts of methane in the Martian atmosphere, and they can't rule out the possibility that the methane was made by something that was once alive on Mars.
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Scientists Debate If It's OK To Make Viruses More Dangerous In The Lab

Researchers are struggling with how to balance the benefits and risks of genetic experiments that can give viruses new talents for causing infections.
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Scientists Report Headway In Hunt For Dengue Vaccine

Dengue sickens millions of people each year, and there's no cure. Now scientists have found powerful antibodies that stop the virus. Their discovery offers a road map to develop a simple vaccine.
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To Get To The Bottom Of Your Microbiome, Start With A Swab Of Poo

To find helpful patterns in personal microbe populations, scientists also need to gather a long list of information about the people who serve as homes for the microscopic critters.
NPR

Why Some Scientific Collaborations Are More Beneficial Than Others

It turns out that when scientists collaborate internationally, they are more like to have an impact on science than purely domestic collaborations.
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Nations Agree To Deal To Cut Greenhouse Gas Emissions

In Lima, Peru, almost all of the world's governments agreed on a document meant to galvanize efforts to curb climate change. While the outcome was modest, it did establish some important principles.
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Congress To Nutritionists: Don't Talk About The Environment

Should dietary guidelines consider the environmental effects of our food choices? The government-appointed Dietary Guidelines Advisory Committee thinks they should. Congress, however, says no.
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To Stop Teen Drinking Parties, Fine The Parents

For some teenagers, parties with alcohol are almost a rite of passage. Surveys show the vast majority of parents in these homes know the alcohol is flowing. Cities are now cracking down on the adults.
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More Than Just Cute, Sea Otters Are Superheroes Of The Marsh

Sea otters are furry and photogenic, but those aren't the only reasons to save them from extinction. Turns out that just by eating, they can preserve their entire estuarine ecosystems.
NPR

Geminid Meteor Showers Light Up Both Hemispheres

Pieces of gravel and dust from a "rock comet" called 3200 Phaethon are still shooting across the sky, dazzling the Earthlings below.

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