成人快手

What do the results of a US Geological Survey assessment of vast untapped oil and gas reserves north of the Arctic circle mean for the future of fossil fuels worldwide, the Arctic environment and political relations?
Japanese scientists introduce transgenic monkeys that glow green and pass the gene on to their offspring. How the "parabolic flight" aircraft used to simulate zero gravity conditions of space. Profile of Charles Bolden, who will be the first African American Chief Administrator and the second former astronaut to head up Nasa. How human skin is an ecosystem populated by many bacteria, not all of them bad for us.