Science & Environment

In Fairbanks, Alaska, residents are using wood stoves to heat their homes during the frigid winter months. But, smoke created by these wood burners is contributing to some of the worst air pollution in the country. Cathy Cahill discusses air quality in the Last Frontier.

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY, I'm Ira Flatow. The Internet is the new battleground.

PRESIDENT BARACK OBAMA: We know foreign countries and companies swipe our corporate secrets. Now our enemies are also seeking the ability to sabotage our power grid, our financial institutions, our air traffic control systems. We cannot look back years from now and wonder why we did nothing in the face of real threats to our security and our economy.

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IRA FLATOW, HOST:

Time now for our Video Pick of the Week. Flora Lichtman is here. Welcome to the program. Flora's our correspondent and managing editor for video.

FLORA LICHTMAN, BYLINE: Hi, Ira.

(LAUGHTER)

FLATOW: This one, this week...

LICHTMAN: I don't even know what to say.

(LAUGHTER)

FLATOW: Have you - make sure you've eaten your lunch or your breakfast.

LICHTMAN: It might be - it's going to be grossest video you've probably seen all week. But you should still watch it because it's fascinating.

The most heated part of the fight between the Obama administration and religious groups over new rules that require most health plans to cover contraception actually has nothing to do with birth control. It has to do with abortion.

Specifically, do emergency contraceptives interfere with a fertilized egg and cause what some consider to be abortion?

Hearing that the International Dark Sky Association has declared that Death Valley National Park is now the world's largest "international dark sky park" sent us in search of other places that the organization recommends if you really like "star-filled nights."

The association, which tries to "call attention to the hazards of light pollution," has recognized:

A new study published in the journal PLOS ONE finds that tomatoes grown on organic farms were about 40 percent smaller than conventionally grown tomatoes. The upside? They pack more of a nutritional punch. The researchers found the organic tomatoes had significantly higher levels of vitamin C, sugar and lycopene.

Melissa Block speaks with Facebook founder Mark Zuckerberg and Apple chairman Art Levinson about the multimillion-dollar prize they've created with other Silicon Valley illuminati to award advancements in research aimed at curing intractable diseases and extending human life. Eleven scientists have been named winners of the Breakthrough Prize this year.

As many as 30 million people living from Oklahoma to the Ohio Valley are in the path of a storm moving east out of California that could dump several inches of snow in some areas and freezing rain and sleet elsewhere in the next few days.

According to the Weather Channel, the storm is caused by an "upper-level dip in the jet stream," on Wednesday.