3 Freaky Things Explained: Bug Sex, Polar Vortex and Chain Fountain!

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!

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Sources:
chain fountain
http://youtu.be/_dQJBBklpQQ
http://rspa.royalsocietypublishing.org/lookup/doi/10.1098/rspa.2013.0689
https://press.royalsociety.org/Uploads/RSPA20130689p.pdf [MEDIA USE ONLY]

polar vortex
http://www.pmel.noaa.gov/arctic/atmosphere/polar_vortex_2014.html
http://www.arctic.noaa.gov/detect/climate-strat.shtml
http://www.arctic.noaa.gov/future/warm_arctic_cold_continent.html

bug sex
www.sciencemag.org