Dr. Mark Lindsay was 5 years old when he first learned that tree trunks were brown. "Up until that point, I believed leaves and trunks were all green. Just lighter and darker shades," Mark said. Mark ...

Winter means a lot of indoor time, and I've learned that science experiments are a lifesaver on those long, cold days. The best part? You don't need anything fancy. Baking soda, vinegar, food ...

Nina Hike used to consider herself to be a traditional high school science teacher. She gave lectures full of abstract formulas that rarely if ever tied directly with the lives of her students of ...

An estimated 300 million people worldwide are color-blind. This typically means they can't distinguish certain shades of color, they struggle to tell how bright colors are or, more rarely, they can't ...

Over the past few years, the term “diversity, equity, and inclusion” has taken on an almost mythological resonance. Although it describes a set of recruitment tactics and employee resources aimed at ...

How do you find the quality of the light a light bulb produces? Using the color rendering index, a measure of how well a light bulb illuminates a range of colors. Appliance Science looks at the ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The rainbow may be due for an update. A new, high-tech method for ...

When you look up at the blue sky overhead or gaze across the seemingly endless expanse of a blue ocean, you might think that the color blue is common in nature. But among all the hues found in rocks, ...

Kodakman George Eastman had some guests—Thomas Alva Edison, Henry Fairfield Osborn, Michael I. Pupin, General John J. Pershing, Owen D. Young and many another bigwig—at his home in Rochester, N. Y., ...