Swiss radar also tracked the object for 50 seconds. Two fossils found in China are the strongest evidence yet that apparently birds evolved from dinosaurs. Feather impressions can clearly be seen in the rock, yet otherwise the animals resemble a theropod dinosaur. The creatures, named Caudipteryx zoui and Protoarchaeopteryx robusta , couldn't fly and it is unclear exactly how the feathers were used. Not all scientists think the fossils are dinosaurs.
Some experts maintain they are, instead, primitive birds.
Sony researchers demonstrated prototypes that chased after a ball and played with it. It is hoped the robots will have sophisticated enough behavior to give the illusion to people they are playing with a kitten or puppy. The files include reports of UFOs and speculation on what happened to Amelia Earhart. Some 16,000 pages are accessible from some 37 investigations. Eventually some 1.3 million pages will be available on-line.