Oil does a lot more than fill gas tanks. Petroleum is used to make thousands of products, from golf balls to children’s toys and shampoo. The amount varies widely—goods with lots of plastic might have ...

Thermal batteries can efficiently store energy as heat. But building them requires a carefully designed system with materials that can withstand cycles of extremely high temperatures, without ...

The body lay slumped on the jail floor, curled around a metal toilet. Investigators found no evidence of homicide, just a few ...