Why does green mean go? And other color conundrums

Brains On! Science podcast for kids

Lemonada Media

Kids & Family, Education For Kids

4.5 • 14.7K Ratings

🗓️ 16 June 2020

⏱️ 37 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

The world is full of color, but how do our eyes see it? In this episode we’ll explain how color vision works, complete with a journey to a jazz club in the back of your eye. We’ll also look at the cultural meanings of the color red, we’ll find out about a new type of blue, and we’ll find out why stoplights use green to mean go. Our Moment of Um tackles the question, “why are bees black and yellow?” This episode is sponsored by KiwiCo (kiwico.com/brainson) and Nurture Life (use code: BRAINS at checkout). See omnystudio.com/listener for privacy information.

Transcript

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0:00.0	You're listening to Brains On, we're we're serious about being curious.
0:05.0	Brains On is supported on part by a grant from the National Science Foundation.
0:12.0	Sion, welcome to Brains On Headquarters. The studio is right this way.
0:17.0	I'm so excited to be here.
0:19.0	Okay, so...
0:20.0	Make sure you follow the traffic signal for direction.
0:24.0	Traffic signal?
0:25.0	Yeah, I installed this new hallway traffic signal.
0:28.0	To make sure things keep flowing smoothly here, Brains On Headquarters.
0:32.0	Whoa, that is not the usual green, yellow, red traffic signal.
0:36.0	Good eyes, Sion.
0:38.0	I made a few small tweaks. Nothing too complicated.
0:42.0	Small tweaks, Mark, there are now one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve, different color lights.
0:50.0	Well, yeah. Green means go, red means stop, obviously.
0:53.0	And yellow, as we know, means slow down.
0:55.0	And blue means sit on the floor and think for a second.
1:00.0	Orange means do cartwheels. Purple means dance in a funky manner.
1:05.0	Turquoise means wave to the adoring imaginary crowd.
1:10.0	Oh, yeah. And this from a gentle one means start humming.
1:15.0	Chartruths means you should pretend to be either riding a unicorn or you are a unicorn yourself.
1:21.0	I haven't quite decided, which is better.
1:24.0	And this pink one here, oh no. What does this pink one mean?
	...

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