A lot of learning is relearning and unlearning. Research always seems to overturn things we learned. Coffee, red wine, eggs, low-fat - good for you or bad for your health? Depends on the when and who of the research.
But we can learn something new every day and that's good for the brain. This One-Page Schoolhouse is full of quick lessons and, like a one-room schoolhouse, we cover all subjects.
Today we can look at new research that suggests that the way chameleons change color is very different from what scientists had assumed.
Check out this video by filmmaker and National Geographic Grantee Jason Jaacks that tells you about how color change is controlled by nanocrystals in a top layer of the lizards' skin.