WASHINGTON -- Low levels of sarin nerve gas affected behavior and organ functions in laboratory animals at least a month after exposure, suggests new research that may provide clues to the mysterious ...

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.

Reports of chemical-weapons attacks have hovered like a cloud over the bloody conflict in Syria for at least half a year, with both the Syrian opposition and the embattled regime of Syrian President ...

FILE - Subway passengers affected by sarin nerve gas in the central Tokyo subway trains are carried into St. Luke's International Hospital in Tokyo on March 20, 1995. (AP Photo/Chiaki Tsukumo, File) ...