Bacterial Electric Grid, Females Fight Back, Why Tea Leaves Sink

Learn about a bacterial electric grid; traits females have evolved to avoid harassment; and why tea leaves sink.There's a bacterial electric grid beneath our feet by Grant CurrinHidden bacterial hairs power nature’s “electric grid.” (2021, September). EurekAlert! https://www.eurekalert.org/news-releases/927031Gu, Y., Srikanth, V., Salazar-Morales, A. I., Jain, R., O’Brien, J. P., Yi, S. M., Soni, R. K., Samatey, F. A., Yalcin, S. E., & Malvankar, N. S. (2021). Structure of Geobacter pili reveals secretory rather than nanowire behaviour. Nature, 597(7876), 430–434. https://doi.org/10.1038/s41586-021-03857-wSpecktor, B. (2020, September 18). Scientists find “secret molecule” that allows bacteria to exhale electricity. Livescience.com; Live Science. https://www.livescience.com/electron-breathing-geobacter-microbes.htmlBasic Biology of Oral Microbes. (2015). Atlas of Oral Microbiology, 1–14. https://doi.org/10.1016/b978-0-12-802234-4.00001-xMany females have evolved traits to avoid harassment by Cameron DukeBerlin, S. (2021, August 30). Female Octopuses Throw Debris at Unwanted Mates Who Pester Them, Study Shows. Newsweek; Newsweek. https://www.newsweek.com/female-octopuses-throw-debris-unwanted-mates-who-pester-them-study-shows-1624345Feldblum, Joseph T., Wroblewski, Emily E., Rudicell, Rebecca S., Hahn, Beatrice H., Paiva, T., Cetinkaya-Rundel, M., Pusey, Anne E., & Gilby, Ian C. (2014). Sexually Coercive Male Chimpanzees Sire More Offspring. Current Biology, 24(23), 2855–2860. https://doi.org/10.1016/j.cub.2014.10.039Female hummingbirds avoid harassment by looking as flashy as males. (2021). Female hummingbirds avoid harassment by looking as flashy as males. Phys.org. https://phys.org/news/2021-08-female-hummingbirds-flashy-males.htmlGodfrey-Smith, P., Scheel, D., Chancellor, S., Linquist, S., & Lawrence, M. (2021). In the Line of Fire: Debris Throwing by Wild Octopuses. https://doi.org/10.1101/2021.08.18.456805Hosken, D. J., Alonzo, S., & Wedell, N. (2016). Why aren’t signals of female quality more common? Exeter.ac.uk. https://doi.org/http://hdl.handle.net/10871/19606Male-like ornamentation in female hummingbirds results from social harassment rather than sexual selection. (2021). Current Biology. https://doi.org/10.1016/j.cub.2021.07.043Power Play. (2018). National Wildlife Federation. https://www.nwf.org/Magazines/National-Wildlife/2018/Oct-Nov/Animals/Animal-AggressionWielgus, R. B., & Bunnell, F. L. (1994). Sexual Segregation and Female Grizzly Bear Avoidance of Males. The Journal of Wildlife Management, 58(3), 405. https://doi.org/10.2307/3809310Why do tea leaves sink? by Ashley Hamer originally aired June 10, 2018 https://omny.fm/shows/curiosity-daily/the-cutest-kind-of-puppy-rural-happiness-and-the-sJames Norwood Pratt. (2010, August 16). The Ancient and Best Way to Brew Loose-Leaf Tea. The Atlantic. https://www.theatlantic.com/health/archive/2010/08/the-ancient-and-best-way-to-brew-loose-leaf-tea/61479/Inglis-Arkell, E. (2014, May 6). Why Do Your Tea Leaves Move To The Middle Of The Cup? Gizmodo. https://gizmodo.com/why-do-your-tea-leaves-move-to-the-middle-of-the-cup-1572125743Ouellette, J. (2016). The Strange Physics of Tea Leaves Floating Upstream. Nautilus. https://nautil.us/blog/the-strange-physics-of-tea-leaves-floating-upstreamFollow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley 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. Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/bacterial-electric-grid-females-fight-back-why-tea-leaves-sink Hosted on Acast. See acast.com/privacy for more information.

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