Scishow Quiz Show: Supersonic Giggles and Bat Cigars

It's a rematch Battle of The SciShow Hosts on today's quiz show! Will Olivia be victorious again or will Hank "try those logarithms" and win the day?

Head to https://scishowfinds.com/ for hand selected artifacts of the universe!
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz
----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
----------
Sources:

Rats:

http://science.sciencemag.org/content/354/6313/757/tab-pdf
http://www.sciencemag.org/news/2016/11/watch-these-ticklish-rats-laugh-and-jump-joy
http://time.com/4566126/rats-laughter-tickling/
https://www.eurekalert.org/pub_releases/2016-11/aaft-rat110716.php

Bat flies:

https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-016-1625-z
https://www.fieldmuseum.org/sites/default/files/Dick%20&%20Patterson%202006%20MicromammalsMacroparasites.pdf

Disk-winged bats:

http://rspb.royalsocietypublishing.org/content/280/1772/20132362
https://www.livescience.com/40429-speak-up-costa-rican-bats-use-leaves-as-hearing-aids.html

Darwin:

https://books.google.com/books?id=ibYtAAAAYAAJ&pg=PA462&lpg=PA462

Green sand:

https://www.lovebigisland.com/quick-and-remarkable-facts-about-hawaii/green-sand-beach/
https://www.sciencedirect.com/science/article/pii/0377027385900563
http://web.archive.org/web/20161224052559/https://geomaps.wr.usgs.gov/parks/coast/sand/greensand.html

Fire grenades:

http://www.oldhouseweb.com/how-to-advice/common-fire-safety-device-in-old-homes-a-health-hazard.shtml
http://saskmuseums.org/blog/entry/glass-grenade-style-fire-extinguisher-bombs-are-they-safe
https://books.google.com/books?id=fM43Ny2eFS8C&pg=PA134
https://99percentinvisible.org/article/stop-drop-roll-throw-fighting-fires-fire-grenades/
---------
Images:
https://media.eurekalert.org/scipak/gallery/images/2016-11/ishiyama3.mp4
https://www.flickr.com/photos/sanmartin/5021769088/in/photolist-8DKSZE-8DKRXY-5mPNyx
https://www.istockphoto.com/photo/curling-leaves-of-a-new-host-leave-gm514849708-88307923
https://www.istockphoto.com/photo/curling-leaves-of-a-new-host-leave-gm514849698-88307913
https://www.istockphoto.com/photo/curling-leaves-of-a-new-host-leave-gm514849722-88307937
https://en.wikipedia.org/wiki/File:Gigantic_Turtle_on_the_Island_of_Santa_Cruz_in_the_Galapagos.JPG
https://en.wikipedia.org/wiki/File:RothschildTortoise.png
https://commons.wikimedia.org/wiki/File:Gemperidot.JPG
https://commons.wikimedia.org/wiki/File:Papakolea_Beach_sand_high_mag_052915.jpg
https://commons.wikimedia.org/wiki/File:Papakolea_snapshot.jpg
https://en.wikipedia.org/wiki/File:Snohomish_-_Blackman_House_Museum_-_Comet_fire_extinguisher_02A.jpg
https://commons.wikimedia.org/wiki/File:Phosgene_poster_ww2.jpg

Видео Scishow Quiz Show: Supersonic Giggles and Bat Cigars канала SciShow