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 …

Can Achy Joints Really Predict the Weather?

My grandma swore by her arthritic knee. When it throbbed, she said it meant the weather was about to change. My husband, on the other hand, maintains he can predict rain because the incoming weather front gives him a headache. Is there any truth to these claims? Can the change in weather pressure really trigger physical pain? The Wall Street Journal recently tackled this subject by asking scientists if there was some factual evidence behind all the tales of weather-related …