11 Things We Didn’t Know Last Week

News, discoveries and … fun 1. Chameleons change colors by enlarging or contracting small crystals in their skin that reflect different hues. (Learn more at USA Today) 2. It’s only human to buy high and sell low, especially in the stock market. (Learn more at AARP) 3. After menopause, female killer whales provide key information that is critical to their pod’s survival. (Learn more at National Geographic) 4. Jimi Hendrix recorded with a group called Curtis Knight & the Squires. (Learn more …