The hows and whys of hair

Brains On! Science podcast for kids

Lemonada Media

Kids & Family, Education For Kids

4.5 • 14.7K Ratings

🗓️ 16 April 2019

⏱️ 31 minutes

🔗️ Recording | iTunes | RSS

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Summary

The hair on our heads is on our minds. We have fun with follicles and learn about how they make hair. Our experts help us decipher what makes hair black or brown, blonde or red, and even why it turns gray. From eye lashes to ear and nose hair, this episode has it all. Why do humans have hair and not fur? Why is there hair on the top of our heads? How does hair grow? How does hair become curly or straight? Plus: A brand new Moment of Um answers the question: "Why does my dad get fuzz in his belly button?" This episode is sponsored by Philo (philo.tv/brains), New Cloud Control Cat Litter by Arm & Hammer, Bona Premium Spray Mop (bona.com/brainson) and Goodnight Stories for Rebel Girls the Podcast (rebelgirls.co/podcast). You can support Brains On at brainson.org/donate See omnystudio.com/listener for privacy information.

Transcript

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0:00.0	You're listening to Brains On, where we're serious about being curious.
0:04.4	Brains On is supported on part by a grant from the National Science Foundation.
0:13.8	What is your favorite thing about your hair?
0:16.0	How smooth it is.
0:17.6	Where I can just comb it back as then go do whatever.
0:21.6	I have really curly hair, which I used to not like at all when I was your age.
0:25.6	But now I like that I don't have to do anything to it and I can just kind of do it's own thing.
0:30.0	And whether you love your hair or just want to shave it all off,
0:32.8	we're going to show you today how complex and cool it really is.
0:36.4	Keep listening!
0:40.0	You're listening to Brains On from American Public Media.
0:43.0	I'm Molly Bloom and my co-host today are Kate and Alex from Plano, Texas.
0:48.0	Hi, hello.
0:49.4	In YouTube recently got a closer look at hair.
0:52.2	You wrote into us and told us that you were looking at strands of hair under a microscope.
0:56.2	What gave you the idea to check that out?
0:58.2	We just got a new microscope.
1:01.4	We decided to peak at our hair.
1:04.2	And what did you see when you looked at the hair?
1:06.2	Well my hair was, it had like little black dots all over it.
1:10.2	And mine only had one.
1:12.2	And my mom's gray hair had a ginormous line through it.
	...

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