On the brink of a nuclear nightmare. Ancient Greek battlefield sparks a conflict. Antarctic Lake may be barren after all. Triceratops gets a face lift. Neanderthals had large appetites.
Meteors play havoc with spooks.
Astronomers find more light at the 'Edge of the Universe' than can be explained. Other astronomers find predicted web structures in the early universe. The computer model looks scary. Once upon a time, the surf was up in the Martian highlands. Pizza Hut pays cosmonauts to eat pizza in space.