Neil Tyson, one of the leading African American scientists in the U.S., director of the Hayden Planetarium, author of Origins: Fourteen Billion Years of Cosmic Evolution. Also: Russia claims to have test fired its own version of a Star Wars anti-ballistic missile system, raising fears of a new nuclear arms race; Putin has ominously declared that Russia will develop a new nuclear weapons system; The indigenous people’s of the arctic are denouncing the U.S. for stonewalling the results of the 8-nation Arctic Council; Is there a link between stress and aging? Scientists have found a way to prove that stress leads to a form of premature aging; Scientists say brain scans can be used for lie detectors and to detect bipolar disorder; Another moon rock found at South Pole.