Mapping the Ocean, Soap-Making Cells, Crows Comprehend Zero
Curiosity Weekly
Warner Bros. Discovery
4.6 • 963 Ratings
🗓️ 7 September 2021
⏱️ 14 minutes
🧾️ Download transcript
Summary
Learn how Seabed 2030 will map the ocean floor; how our cells make soap; and how crows understand the concept of zero.
More than half of Earth's surface is unmapped, but Seabed 2030 aims to map it by 2030 by Grant Currin
- Jacobs, F. (2021, July 19). More than half the world is still unmapped — but not for long. Big Think; Big Think. https://bigthink.com/strange-maps/seabed-2030
- Amos, J. (2020, June 20). One-fifth of Earth’s ocean floor is now mapped. BBC News; BBC News. https://www.bbc.com/news/science-environment-53119686
- Berman, R. (2020, December 2). Stanford engineers develop new light and sound tech to finally map the ocean floor. Big Think; Big Think. https://bigthink.com/technology-innovation/underwater-stanford-engineering
- Frequently asked questions. (2017). The Nippon Foundation-GEBCO Seabed 2030 Project. https://seabed2030.org/faq
- GEBCO project history. (2016). GEBCO. https://www.gebco.net/about_us/project_history/
- Mayer, L., Jakobsson, M., Allen, G., Dorschel, B., Falconer, R., Ferrini, V., Lamarche, G., Snaith, H., & Weatherall, P. (2018). The Nippon Foundation—GEBCO Seabed 2030 Project: The Quest to See the World’s Oceans Completely Mapped by 2030. Geosciences, 8(2), 63. https://doi.org/10.3390/geosciences8020063
Our cells make their own soap to kill bacteria by Grant Currin
- Human cells harness power of detergents to wipe out bacteria. (2021, July 15). EurekAlert! https://www.eurekalert.org/news-releases/654392
- Gaudet, R. G., Zhu, S., Halder, A., Kim, B.-H., Bradfield, C. J., Huang, S., Xu, D., Mamiñska, A., Nguyen, T. N., Lazarou, M., Karatekin, E., Gupta, K., & MacMicking, J. D. (2021). A human apolipoprotein L with detergent-like activity kills intracellular pathogens. Science, 373(6552), eabf8113. https://doi.org/10.1126/science.abf8113
- Shi En Kim. (2021, July 20). Human Cells Ward Off Bacterial Invaders With a Protein That Behaves Like Soap. Smithsonian Magazine; Smithsonian Magazine. https://www.smithsonianmag.com/smart-news/human-cells-ward-bacterial-invaders-protein-behaves-soap-180978237/
Crows understand the concept of zero by Cameron Duke
- Kirschhock, M. E., Ditz, H. M., & Nieder, A. (2021). Behavioral and Neuronal Representation of Numerosity Zero in the Crow. The Journal of Neuroscience, 41(22), 4889–4896. https://doi.org/10.1523/jneurosci.0090-21.2021
- Nicoletta Lanese. (2021, June 14). Crows understand the “concept of zero” (despite their bird brains). Livescience.com; Live Science. https://www.livescience.com/crows-understand-concept-of-zero.html
- Szalay, J. (2017, September 18). Who Invented Zero? Livescience.com; Live Science. https://www.livescience.com/27853-who-invented-zero.html
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Transcript
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| 0:00.0 | Hi, you're about to get smarter in just a few minutes with Curiosity Daily from |
| 0:05.2 | Curiosity.com. I'm Cody Gough. And I'm Ashley Hamer. Today you learn about an |
| 0:09.8 | ambitious plan to mat the ocean floor by 2030, how our cells make their own soap to kill bacteria, |
| 0:17.0 | and why it's a big deal that crows understand the concept of zero. |
| 0:21.0 | Let's satisfy some curiosity. |
| 0:23.0 | If there's one like incredibly clicheed line in the world of science that I've heard |
| 0:30.4 | a zillion times it's we know more about outer space |
| 0:34.5 | than we do about our ocean floor. |
| 0:36.8 | You've heard it, I've heard it, Ashley's nodding your head, |
| 0:40.4 | I know you've heard it, everyone's heard and it's true just over 20% of the world's ocean has been mapped in detail |
| 0:47.9 | 20% that's not a passing grade |
| 0:51.0 | But believe it or not, there's a project underway to change that. |
| 0:56.0 | Seabed 2030 is counting on underwater drones, multi-beam echo sounders, and international cooperation to accomplish the mammoth |
| 1:08.6 | task. |
| 1:09.6 | Oh, and they're going to do it in just eight more years. |
| 1:13.2 | Yeah. |
| 1:14.2 | And there are a lot of reasons that someone might want a map of the global ocean floor. |
| 1:19.8 | A big one is navigation. |
| 1:22.2 | I mean, once in 2005 a US submarine was chugging along through some |
| 1:28.1 | uncharted waters south of Guam when it slammed into an unknown feature of the marine landscape. |
| 1:35.0 | Nearly a hundred sailors were injured and one of them died. |
| 1:40.0 | A map would almost certainly have prevented the accidents. |
... |
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