Scientists have now measured the spin of a supermassive black hole, describing the rate in terms of the energy needed to sustain the spin. These black holes are thought to occupy the center of virtually every galaxy.
Mind meld rats: Researchers have demonstrated that electrical signals generated in the brain of one rat can be decoded by the brain of another, in an experiment involving rodents that are thousands of miles apart.
The family of Francis Crick, one of three men who received the Nobel Prize for discovering DNA structure, announced a plan to auction his 23-carat gold medal. Part of the proceeds are to be offered to research institutions.