How GPS Clocks Work (w/ Hugo Fruehauf) and Why Stress Turns Hair Gray

Learn how atomic clocks and how GPS clocks work, with help from the engineer who made GPS clocks possible: Hugo Fruehauf. But first, you’ll learn about how Harvard researchers finally figured out why stress can turn your hair gray.Why Stress Turns Hair Gray by Grant CurrinZhang, B., Ma, S., Rachmin, I., He, M., Baral, P., Choi, S., Gonçalves, W. A., Shwartz, Y., Fast, E. M., Su, Y., Zon, L. I., Regev, A., Buenrostro, J. D., Cunha, T. M., Chiu, I. M., Fisher, D. E., & Hsu, Y.-C. (2020). Hyperactivation of sympathetic nerves drives depletion of melanocyte stem cells. Nature, 577(7792), 676–681. https://doi.org/10.1038/s41586-020-1935-3Clark, S. A., & Deppmann, C. D. (2020). How the stress of fight or flight turns hair white. Nature, 577(7792), 623–624. https://doi.org/10.1038/d41586-019-03949-8Additional resources from Hugo Fruehauf:The Global Positioning System. (2019). Queen Elizabeth Prize for Engineering. https://qeprize.org/winners/the-global-positioning-systemElizabeth, Q. (2020). The QEPrize Judges introduce GPS [YouTube Video]. https://www.youtube.com/watch?v=7CH_fmO-QO8&feature=youtu.beHugo Fruehauf. (2019). Queen Elizabeth Prize for Engineering. https://qeprize.org/winners/hugo-fruehaufCozzens, T. (2019, December 3). GPS pioneers honored with Queen’s award at Buckingham Palace - GPS World. GPS World. https://www.gpsworld.com/gps-pioneers-honored-with-queens-award-at-buckingham-palace/Hugo Fruehauf Official Website http://hugofruehauf.com/Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/how-gps-clocks-work-w-hugo-fruehauf-and-why-stress-turns-hair-gray Hosted on Acast. See acast.com/privacy for more information.

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