Be Smart
Apollo’s Most Important Discovery: NASA’s Moon Rock Vault
Fifty years ago, we sent the first astronauts to walk on the moon’s face.
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Episode 15
Sponsorship
Be Smart
Why Does Hair Grow The Way It Does?
Learn all about the science of human hair in this week’s video!
The Vietnam War
This Is What We Do (Vietnamese Subtitles)
President Johnson escalates the war while promising the public that victory is in sight.