Latest potential energy Stories
For scientists, supernovae are true superstars -- massive explosions of huge, dying stars that shine light on the shape and fate of the universe.
Most animals don't think anything of breaking into a run: they switch effortlessly from walking to a high-speed bouncing run - but what about elephants.
- A small wooded valley; a dell.
- The protecting weather-shed built around the entrance to a house.
- The roofed-over space between the kitchen and the sleeping-quarters in a logging-camp, commonly used as a storeroom.