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New research suggests that the way chameleons change color is very different from what scientists had assumed. In this week’s "Today I Learned" filmmaker and National Geographic Grantee Jason Jaacks explains that the color change is controlled by nanocrystals in a top layer of the lizards' skin.

Read more video.nationalgeographic.com

VykD TIL In the high desert of northwestern Nevada lies the McFurthest spot of the continental United States. The spot furthest away from any McDonalds restaurant, 115 miles as the crow flies.
xm9D TIL in 1975 a Missouri construction worker heard of a device pitched to the US Army that would steer the rear wheels of a vehicle if the front axle broke. He modified it to work permanently and installed it on his 1974 Ford F-250, called it ‘Bigfoot’, and thus created the monster truck.
QJLn9 TIL that there is a movement in journalism to move away from “if it bleeds it leads”. In the past, crises and conflicts were reported as-is, but journalists in this movement are also reporting on options, solutions, and ways in which things could and are getting better.
91Q TIL that wild octopuses engage in “jealous murders,” gender bending, and once-in-a-lifetime sex.
AQ8a TIL that Robert F Kennedy Jr is an Anti Vaccine Crusader/wingnut