I wonder if, in fact, we have been observed by aliens and upon close examination of human conduct and human behavior they have concluded that there is no sign of intelligent life on Earth.
Neil deGrasse TysonWe didn't build the interstate system to connect New York to Los Angeles because the West Coast was a priority. No, we webbed the highways so people can go to multiple places and invent ways of doing things not thought of by the persons building the roads.
Neil deGrasse TysonI bet most of the crowd does not know that there are six moons in the solar system bigger than Pluto.
Neil deGrasse Tyson