Learn how scientists induced an out-of-body experience in a human without using drugs; and Earth’s geological “pulse.” Scientists induced an out-of-body experience in mice and a human without using drugs by Grant Currin Scientists Say A Mind-Bending Rhythm In The Brain Can Act Like Ketamine. (2020, September 16). NPR.org. https://www.npr.org/sections/health-shots/2020/09/16/913565163/scientists-discover-way-to-induce-altered-state-of-mind-without-drugs  Wells, S. (2020, October 3). Scientists Can Induce Out-Of-Body Experiences Without Drugs. Freethink. https://www.freethink.com/articles/uncovering-the-cause-of-dissociative-states-in-the-mind  Stanford team pinpoints brain circuitry underlying dissociative experiences. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-09/sm-stp091520.php  Vesuna, S., Kauvar, I. V., Richman, E., Gore, F., Oskotsky, T., Sava-Segal, C., Luo, L., Malenka, R. C., Henderson, J. M., Nuyujukian, P., Parvizi, J., & Deisseroth, K. (2020). Deep posteromedial cortical rhythm in dissociation. Nature, 586(7827), 87–94. https://doi.org/10.1038/s41586-020-2731-9  The Earth has a geological "pulse" 27.5 million years long by Briana Brownell Masters, K. (2016). How often does the Sun pass through a spiral arm in the Milky Way? (Intermediate) - Curious About Astronomy? Ask an Astronomer. Cornell.edu. http://curious.astro.cornell.edu/our-solar-system/55-our-solar-system/the-sun/the-sun-in-the-milky-way/207-how-often-does-the-sun-pass-through-a-spiral-arm-in-the-milky-way-intermediate  The Earth has a pulse -- a 27.5-million-year cycle of geological activity. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-06/nyu-teh061821.php  ‌Rampino, M. R., Caldeira, K., & Zhu, Y. (2021). A pulse of the Earth: A 27.5-Myr underlying cycle in coordinated geological events over the last 260 Myr. Geoscience Frontiers, 12(6), 101245. https://doi.org/10.1016/j.gsf.2021.101245  Follow Curiosity Daily on your favorite podcast app to learn something new every day withCody Gough andAshley Hamer. Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers. See omnystudio.com/listener for privacy information.