(Reuters) - Charges that Syria has used the chemical weapon sarin have raised questions about the nerve agent, how it kills and what level of evidence it will take to prove it was used on the Syrian ...

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.

For those exposed to the liquid form of sarin, symptoms can occur anytime from a few minutes to 18 hours after consumption. If exposed to a large amount of sarin in either gas or liquid form, victims ...

UNITED NATIONS (AP) – Secretary-General Ban Ki-moon has presented the Security Council with a report by a U.N. expert team on a chemical weapons attack in Syria last month that he says “makes for ...