A small sampling from 50 Things We Didn't Know Last Year:
Watermelon is more efficient at rehydrating our bodies than drinking water. It contains 92 percent water and essential rehydration salts.
Grumpy people think more clearly because negative moods trigger more attentive, careful thinking.
One mutated gene is the reason humans have language, and chimpanzees, our closest relative, do not.
Surfing the Internet may help delay dementia because it creates stimulation that exercises portions of the brain.
Scientists have discovered how to scan brain activity and convert what people are seeing or remembering into crude video images.