Scientists think that evolution may not have prepared our brains for donuts, and an international research team has found out that some of earth’s oldest, largest trees are suddenly on the decline.

Hosted by: Hank Green

Head to for hand selected artifacts of the universe!
———-
Support SciShow by becoming a patron on Patreon:
———-
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:
Twitter:
Tumblr:
Instagram:
———-
Sources: