Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. BENEATH A CLEAR SKY and a high sun, a regular human eye can see ...

More states are requiring students to take a foundational computer science class to graduate—employing a powerful policy lever to bridge long-standing gender, racial, and socioeconomic gaps in course ...

Is your green my green? Probably not. What appears as pure green to me is likely to look a bit yellowish or bluish to you. This is because visual systems vary from person to person. Moreover, an ...

Think about the colors of the world around you—the blue of a cloudless sky, the green of a new leaf, the blazing red of a tulip’s petals. We see these colors because of the way our eyes work. But what ...