Morning Overview on MSN

Nuclear weapons tests: The physics that makes them so hard to hide

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...
Places on MSN

Semipalatinsk: The human cost of a nuclear arms race

In 1949, the Soviet Union’s first atomic bomb exploded in Semipalatinsk — but this wasn't just an empty desert. People lived nearby, and for decades they were exposed to radiation from hundreds of ...