Why is blue so rare in nature?
25,543,934 Views
2,307 Questions Answered
Best of Web
Let’s Begin…
Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But blue animals? They are few and far between. And the ones that do make blue? They make it in some very strange and special ways compared to other colors. It’s Okay To Be Smart investigates.
What does it mean to "change the index of refraction"?
Sign in to answer questionAbout TED-Ed Best of Web
TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
Meet The Creators
- Video created by Be Smart
- Lesson Plan created by Emilie Soffe
