Back Pain in Space, Cats’ Mental Maps, Diamond Davemaoite
Curiosity Weekly
Warner Bros. Discovery
4.6 • 963 Ratings
🗓️ 16 February 2022
⏱️ 18 minutes
🧾️ Download transcript
Summary
Learn about back pain from space; how cats track their owners; and what davemaoite tells us about Earth’s lower mantle.
Space travel causes back pain, and doctors need to find a fix by Cameron Duke
- Back pain common among astronauts offers treatment insights for the earth-bound. (2021, October 21). EurekAlert! https://www.eurekalert.org/news-releases/932251
- Penchev, R., Scheuring, R. A., Soto, A. T., Miletich, D. M., Kerstman, E., & Cohen, S. P. (2021). Back Pain in Outer Space. Anesthesiology, 135(3), 384–395. https://doi.org/10.1097/aln.0000000000003812
Cats track their owners with mental maps by Cameron Duke
- Takagi, S., Chijiiwa, H., Arahori, M., Saito, A., Fujita, K., & Kuroshima, H. (2021). Socio-spatial cognition in cats: Mentally mapping owner’s location from voice. PLOS ONE, 16(11), e0257611. https://doi.org/10.1371/journal.pone.0257611
- Weisberger, M. (2021, November 11). You can’t hide from your cat, so don’t even try. Livescience.com; Live Science. https://www.livescience.com/cats-track-owners
- Taboo Science Podcast - The podcast that answers the questions you’re not allowed to ask. (2020). Tabooscience.show. https://www.tabooscience.show/
Scientists found a once-theoretical mineral inside a diamond that tells us more about the Earth's lower mantle by Grant Currin
- A mineral found in a diamond’s flaws contains the source of some of Earth’s heat. (2021, November 11). Science News. https://www.sciencenews.org/article/mineral-diamond-davemaoite-earth-mantle-heat
- Koumoundouros, T. (2021). Elusive Crystal Predicted Decades Ago Found Trapped in a Diamond From The Deep Earth. ScienceAlert. https://www.sciencealert.com/a-diamond-caught-and-preserved-the-deepest-rare-earth-mineral-science-has-ever-examined
- Piesing, M. (2019). The deepest hole we have ever dug. Bbc.com. https://www.bbc.com/future/article/20190503-the-deepest-hole-we-have-ever-dug
- Tschauner, O., Huang, S., Yang, S., Humayun, M., Liu, W., Gilbert Corder, S. N., Bechtel, H. A., Tischler, J., & Rossman, G. R. (2021). Discovery of davemaoite, CaSiO 3 -perovskite, as a mineral from the lower mantle. Science, 374(6569), 891–894. https://doi.org/10.1126/science.abl8568
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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 Discovery. |
| 0:06.0 | I'm Cody Gough, and I'm your host today. |
| 0:08.0 | Ashley's back tomorrow. |
| 0:09.0 | Today you learn about why space travel causes back pain, how cats track their |
| 0:14.5 | owners movements, and a mineral the scientists found inside a diamond that |
| 0:19.2 | tells us more about the Earth's lower mantle. What satisfy some curiosity? |
| 0:25.0 | If your back hurts, it could be because you hurt yourself or because you're getting older. |
| 0:30.2 | Or maybe you've been to space. |
| 0:35.0 | A new report from Johns Hopkins University found that back pain is surprisingly common in astronauts. |
| 0:42.0 | It's one more way that leaving the comfort of Earth's gravity appears to be bad for the human |
| 0:47.5 | body. |
| 0:49.1 | So let's talk about what I mean when I say bad. Well the review looked at data from 722 space flights and found that roughly |
| 0:57.0 | 52% of astronauts report back pain within the first two to five days of arriving in orbit. |
| 1:03.7 | 52%. |
| 1:05.7 | It's so common that it even has a name. |
| 1:08.3 | Space adaptation back pain. |
| 1:11.5 | Now given the high level performance expectations from every member of an |
| 1:15.6 | ISS crew this condition poses certain risks. Although the pain is |
| 1:20.5 | relatively minor most of the time it's a common enough problem to cause concern. |
| 1:26.7 | As for why this happens, well, our bodies are very well adapted to being on Earth, and Earth's gravity is a big part of that. |
| 1:35.4 | Our spines are finely tuned to hold our bodies upright against forces that would pull us down. |
| 1:41.4 | Our weight compresses our spines into a natural curve here on Earth, but in |
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