42,194 views | Bryan Kett • TEDxPasadena
What it's really like to be colorblind
Who's to say an apple is red or that grass is green? Humorist and former science teacher Bryan Kett describes life with colorblindness, explaining that it's not just him -- everyone's experience of color is subjective. Follow Kett as he explores the scientific, philosophical and social dimensions of living life on a certain color scale.