Alan Alda

Jan. 31, 2014

Alan Alda’s Challenge to Scientists: Define Color

Alda's 'Flame Challenge' asks scientists to explain color—with children as the judges.

alan alda, flame challenge, what is a flame, what is color, color challenge, students

Dec. 14, 2012

Alan Alda’s Challenge to Scientists: What Is Time?

Calling all scientists! How do you explain the concept of time to an 11-year-old?

Alan Alda, The Flame Challenge, science communication, kid-friendly, explanation for a flame, time, video, stem, learning, education

Jun. 08, 2012

The Winning Answer to a Burning Question

The winner of Alan Alda’s ‘Flame Challenge’ draws on animation, song and a physics background.

science communication, education, kids, children, schools, teaching science, flame, oxidation, burning

Mar. 23, 2012

Alan Alda Asks Scientists 'What Is A Flame?'

Eleven-year-olds from around the world will judge entries to Alda's "Flame Challenge."

flame oxidation science communication stem alda

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Michael Pollan Talks Plants and Food

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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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