David H. Hathaway

Jan. 27, 2012

How ‘Space Weather’ Affects Planes And Power Grids

Solar explosions earlier this week sent X-rays and charged particles screaming towards the Earth.

sun solar flare space weather

Jul. 02, 2010

Sun Activity

The sun has been in a relatively quiet period in recent years -- but astronomers say that's going to change soon.

sun, solar, heliosphere, solar storm, sunspots

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

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Happy Thanksgiving!

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Mystery Box

Meet The Balloonatics

\tIt's crunch time for the 'balloonatics' at Macy's Parade Studio. The balloons themselves, which are designed and fabricated in a warehouse in New Jersey, are getting their final checkup before the Macy's Thanksgiving Day Parade. John Piper and Jim Artle take us around the studio and spill the secrets of inflation, explain how to calculate whether your balloon will float, and explain why the balloons look better after a little time in the sun.

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\t \t\t \t\t\tDownload MP4 | Watch on YouTube. \t

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