Songs in Tonal Languages (w/ James Kirby) and Neanderthal DNA in Human Chromosomes
Curiosity Weekly
Warner Bros. Discovery
4.6 • 963 Ratings
🗓️ 14 July 2019
⏱️ 11 minutes
🧾️ Download transcript
Summary
Learn how researchers found ancient Neanderthal DNA in human chromosomes. Plus, linguist James Kirby will answer a question about how musicians write songs in tonal languages.
In this podcast, Cody Gough and Ashley Hamer discuss the following story from Curiosity.com about how genetecists found Neanderthal DNA in the dark centers of human chromosomes: https://curiosity.im/2xF98kI
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Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/songs-in-tonal-languages-w-james-kirby-and-neanderthal-dna-in-human-chromosomes
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Transcript
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| 0:00.0 | Hi, we're here from Curiosity.com to help you get smarter in just a few minutes. |
| 0:04.8 | I'm Cody Gough. And I'm Ashley Hamer. |
| 0:06.7 | Today you learn about how researchers found ancient Neanderthal DNA in human chromosomes. |
| 0:11.6 | Plus, today's guest James Kirby will answer a question about how musicians write songs |
| 0:16.3 | in tonal languages. |
| 0:18.3 | Let's satisfy some curiosity. |
| 0:19.3 | Researchers have found Neanderthal DNA lurking in a dark corner of the chromosomes of modern humans. |
| 0:26.0 | And this could help scientists figure out what exactly we pass down through our genes. |
| 0:30.8 | Let me back up and talk about chromosomes for a second. |
| 0:33.0 | Chromosomes are structures that exist in the nucleus of every cell in your body. |
| 0:37.0 | Most of the time, they hang out in the nucleus as a tangled mess of DNA, |
| 0:41.0 | but when the cell is ready to divide, they shape up to look like those cells are not. a tangled |
| 0:43.0 | mess of DNA, |
| 0:44.0 | they shape up to look like those X-shaped things |
| 0:46.0 | you see in textbooks. |
| 0:47.0 | When a cell is ready to divide, |
| 0:49.0 | those long strands of DNA coil into 46 separate chromosomes. |
| 0:53.6 | At that point, they're still not X shapes. |
| 0:56.0 | They're more like eye shapes. |
| 0:57.8 | Those 46 chromosomes are technically 23 pairs of chromosomes, |
| 1:02.1 | since you've got one version from each of your parents but |
| 1:05.0 | these pairs aren't attached to each other. Each of your 46 chromosomes makes a copy of |
... |
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