Hank shares the latest developments in science, this week demystifying three freaky things in nature: the polar vortex, why some bugs are infertile, and how a chain can appear to defy gravity. You're welcome! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Thanks Tank Tumblr: thankstank.tumblr.com Sources: chain fountain youtu.be/_dQJBBklpQQ rspa.royalsocietypublishing.org/lookup/doi/10.1098/rspa.2013.0689 press.royalsociety.org/Uploads/RSPA20130689p.pdf [MEDIA USE ONLY] polar vortex www.pmel.noaa.gov/arctic/atmosphere/polar_vortex_2014.html www.arctic.noaa.gov/detect/climate-strat.shtml www.arctic.noaa.gov/future/warm_arctic_cold_continent.html bug sex www.sciencemag.org

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