Selects: Rainbows: Delighting humanity since forever

<p>Rainbows seem to defy nature, but they're really pretty simple when it comes down to it. Turns out it's just light reacting to water droplets in the air. But they sure do look cool. Learn all about how rainbows are formed in this classic episode.</p><p>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.</p>