Go to www.privacy.com/scishow to get $5 off your first purchase! This week in SciShow News, there's a new kilogram in town, and we might be closer to understanding why people love coffee so much! Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: rokoko, Alex Hackman, Andrew Finley Brenan, Lazarus G, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.bipm.org/en/measurement-units/rev-si/ iopscience.iop.org/article/10.1088/1681-7575/aa950a www.vox.com/science-and-health/2018/11/14/18072368/kilogram-kibble-redefine-weight-science www.atlasobscura.com/places/le-grand-k www.sciencenewsforstudents.org/article/scientists-vote-fix-worlds-weight-loss-problem www.theguardian.com/science/2018/nov/16/the-weight-is-over-kilogram-redefined-at-emotional-conference www.bbc.com/news/science-environment-46143399 www.wired.com/story/new-kilogram-definition-based-on-planck-constant/ www.nationalgeographic.com/science/2018/11/kilogram-forever-changed-why-mass-matters/ cen.acs.org/analytical-chemistry/New-definitions-kilogram-mole/96/web/2018/11 www.nature.com/articles/s41598-018-34713-z www.smithsonianmag.com/smart-news/first-coffeeunless-you-are-genetically-disposed-prefer-tea-180970841/ books.google.com/books?id=L3lZiwsCZoYC&pg=PA23#v=onepage&q&f=false www.scientificamerican.com/article/super-tasting-science-find-out-if-youre-a-supertaster/