A new study finds female greater horseshoe bats share mates with their mothers and grandmothers, but somehow avoid incest. Study leader Stephen Rossiter of the Queen Mary, University of London, says the females will not mate with their fathers, but will mate with their mother's partner, only when the mother has switched partners. Rossiter suggests this strange behavior evolved to tighten relationships within the colony.

U. S. space tourist Gregory Olsen has started training with a Russian cosmonaut and an American astronaut for their October 1 launch to the international space station from the Baikonur cosmodrome in Kazakhstan. Russian cosmonaut Valery Tokarev and U. S. astronaut William McArthur will spend six months at the station. Olsen will join them for a week long visit. He paid the Russian space agency $20-million for the space tour.

U. S. space tourist Gregory Olsen has started training with a Russian cosmonaut and an American astronaut for their October 1 launch to the international space station from the Baikonur cosmodrome in Kazakhstan. Russian cosmonaut Valery Tokarev and U. S. astronaut William McArthur will spend six months at the station. Olsen will join them for a week long visit. He paid the Russian space agency $20-million for the space tour.

U. S. space tourist Gregory Olsen has started training with a Russian cosmonaut and an American astronaut for their October 1 launch to the international space station from the Baikonur cosmodrome in Kazakhstan. Russian cosmonaut Valery Tokarev and U. S. astronaut William McArthur will spend six months at the station. Olsen will join them for a weeklong visit. He paid the Russian space agency $20-million for the space tour.

A young killer whale is using fish as bait to catch seagulls, and is teaching his companions the same method. First, the young whale spits regurgitated fish onto the surface of the water, then sinks below the water and waits.