Making a simple, self-created sound for just five minutes might help to reduce blood pressure and stress, and keep nasal passages and sinuses healthy. Humming requires no musical ability. It’s a sound that everyone with a voice can make. It’s something babies do. It’s something elderly people do. Yet, the benefits of humming go beyond…

CAPE CANAVERAL, Fla.—First came the amazing pictures, then the video. Now NASA is sharing sounds of its little helicopter humming through the thin Martian air. NASA’s Jet Propulsion Laboratory in California released this first-ever audio Friday, just before Ingenuity was set to soar on its fifth test flight. The low hum from the helicopter blades…