You've Heard All About Trickle-Down Theories, But Have You Heard Bill Nye's Trickle-Up Theory?

Listen to Bill Nye's theory on why space exploration is a trickle-up investment and just try not to get a little teary-eyed there along with him at the end.
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Rebecca Eisenberg More from Rebecca »

Listen to Bill Nye's theory on why space exploration is a trickle-up investment and just try not to get a little teary-eyed there along with him at the end.

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