Check my other channel Biographics! https://www.youtube.com/channel/UClnDI2sdehVm1zm_LmUHsjQ →Some of our favorites: https://www.youtube.com/playlist?list=PLR0XuDegDqP10d4vrztQ0fVzNnTiQBEAA →Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut The Exploding Anti-Tank Dogs of World War II https://youtu.be/9n-JyUV1gzo?list=PLR0XuDegDqP2yEk58fgohft2Z1nhcmwis Dogs and Cats are Typically Right or Left Pawed https://youtu.be/TR6qvEcfaQw?list=PLR0XuDegDqP2yEk58fgohft2Z1nhcmwis In this video: People have been telling dogs to “sic ’em,” with the intent to have the dog attack individual(s), since at least the nineteenth century. While this may seem odd given common modern definitions for “sick” or the variant “sic,” at the time this command popped up, it made perfect sense. Want the text version?: http://www.todayifoundout.com/index.php/2016/03/say-sic-get-dogs-attack/ Sources: http://dogtime.com/lifestyle/dog-activities/82-basic-commands-obedience http://www4.uwsp.edu/psych/dog/languag1.htm https://books.google.com/books?id=USfJJOu3VAkC&pg=PT120&lpg=PT120&dq=dog+hearing+more+acute&source=bl&ots=VinWy2HIQr&sig=otESKXzlu-9I5iDPj4dqc9FfnM0&hl=en&sa=X&ved=0CEsQ6AEwB2oVChMIjKmugtGKyAIVwQaSCh0clAVJ#v=onepage&q=dog%20hearing%20more%20acute&f=false http://www.dog-training-excellence.com/dog-training-verbal-commands.html http://www.cochlea.org/en/hear/frequency-hearing-range-in-man-and-some-common-animal-species http://www.bbc.co.uk/bitesize/ks2/english/spelling_grammar/spelling/read/4/ http://www.second-opinion-doc.com/how-do-dogs-hear.html http://www.petmeds.org/petmeds-spotlight/how-well-do-dogs-hear/#.VgFI57TtJUQ http://blog.oxforddictionaries.com/2011/05/inverted-meanings-sick/ http://www.cockapoocrazy.com/2012/06/art-science-of-naming-your-dog.html http://etymon