When you rub a balloon on your hair to make it float and cling, you might not think of it as one of the deepest – and strangest – mysteries of science. When you reach out to open a door and your ...

The United States added 22,332 megawatts of power plant capacity in the first half of this year, and the vast majority of it was utility-scale solar, batteries, and onshore wind. Natural gas was next, ...