Sarin is an extremely volatile nerve agent because of its ability to change from liquid to gas. If it evaporates into a gas, it can spread into the environment. Sarin’s designation by NATO is GB.

Syria's military is reported to be prepared to use sarin, a potent nerve gas, posing an obvious threat to Syrian civilians -- and to the rest of the world. What is sarin? What other chemical weapons ...

Providence Little Company of Mary Medical Center Torrance will conduct a large-scale disaster drill Tuesday simulating a ...

BEIRUT (AP) — Diplomats at the U.N. Security council sparred Wednesday over whether to hold President Bashar Assad’s government responsible for a chemical weapons attack that killed more than 80 ...