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Learn about back pain from space; how cats track their owners; and what davemaoite tells us about Earth\u2019s 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\u2013395. 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\u2019s location from voice. PLOS ONE, 16(11), e0257611. https://doi.org/10.1371/journal.pone.0257611
• Weisberger, M. (2021, November 11). You can\u2019t hide from your cat, so don\u2019t even try. Livescience.com; Live Science. https://www.livescience.com/cats-track-owners
• Taboo Science Podcast - The podcast that answers the questions you\u2019re 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\xa0

• A mineral found in a diamond\u2019s flaws contains the source of some of Earth\u2019s 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\u2013894. https://doi.org/10.1126/science.abl8568

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