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FDA Considers Allowing Blood Donations From Some Gay Men

The lifetime ban on blood from any man who has had sex with men dates to the 1980s, before there was a good test to screen for HIV. Critics say the policy is outmoded and needlessly discriminatory.
NPR

NASA Prepares To Test New Spacecraft (That You've Likely Never Heard Of)

The new vehicle, named Orion, is designed to carry humans into deep space. But most Americans aren't aware it exists.
NPR

Study Shows Riding The Quiet Car Is Crushing Your Spirit

An experiment in Chicago randomly assigned train and bus riders to either talk to the stranger next to them or commute quietly. The result? Even for introverts, silence leaves you sadder.
NPR

Tumbling Oil Prices Give A Boost To Drivers During The Holidays

An OPEC meeting last week sent oil prices tumbling when the cartel decided not to restrict production to boost prices. Now some are predicting parts of the U.S. will see gas prices under $2 a gallon.
NPR

Ebola In The Air: What Science Says About How The Virus Spreads

Turns out, Ebola is transmitted through the air, but it's not very good at spreading through the airborne route. What in the heck does that mean? We dig into the science to clear up the kerfuffle.

NPR

To Boldly Go Where No 3-D Printer Has Gone Before: Yep, Space

NASA 3-D printed an object on the International Space Station for the first time this week. It's an important step toward long missions — like to Mars — where all necessary items won't fit on board.
NPR

Taking Stock Of America's Toxic Sites And The Millions Living Near Them

A recent National Geographic article looks at toxic waste sites in the U.S. and the more than 49 million Americans who live near them. NPR's Eric Westervelt talks with writer Paul Voosen about his piece.
NPR

Millennials Might Be 'Generation Twin.' Is That A Bad Thing?

Between 1981 and 2012, 1 million extra twins were born in the U.S. One economist says all of those twins could be hurting the economy — but another expert points out some perks of twinhood.
NPR

How Dogs Understand What We Say

Dogs pay close attention to the emotion in our voices, but what about the meaning of words? A clever experiment with 250 canines shows that dogs understand more of our speech than previously thought.
NPR

Can Breeders Cure What Ails Our Breast-Heavy Turkeys?

The standard commercial American turkey is the product of decades of intense selective breeding. But breeding for efficiency and size has created new health problems scientists must grapple with.

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