Feb 19, · it’s true that the one pic is not kari byron. Kari is smoking fucking hot. THE PURPLES. @rusty, if she walked in the hotel bar in a black dress. The latest Tweets from Kari Byron (@KariByron). Host of MYTHBUSTERS, Positive Energy, White Rabbit Project, Thrill Factor, a bunch more sciencey tv and author of #CrashTestGirl ukrainianblog.info Status: Verified. Official website of Kari Byron—television host of the Discovery Channel's MythBusters, the Science Channel's Punkin Chunkin, and Netflix's White Rabbit Project; and author of the forthcoming book, Crash Test Girl.