Science news articles about 'poisonous gases'

Imagine a polka-dotted postage stamp that can sniff out poisonous gases or deadly toxins simply by changing colors. As reported in the Sept. 13 issue of the journal Nature Chemistry, ...

... from tobacco smoke has been proven toxic. According to the National Toxicology Program, these 250 poisonous gases, chemicals, and metals include hydrogen cyanide, carbon monoxide, butane, ammonia, ...

LONDON, Jan. 20 (UPI) -- A British archaeologist says soldiers in the Persian Empire may have used poisonous gases on the ancient Roman city of Dura in eastern Syria.

... first line of defense against toxins. A canary in a coalmine served as a living monitor for poisonous gases. Scientists used fish to test for contaminants in our water. Even with modern advances, ...

... March 2009. Emergency managers have to know exactly where their teams are, and if they might be exposed to poisonous gases. Modern localisation systems provide excellent service in this situation. It ...

... 3, 2009. Emergency managers have to know exactly where their teams are, and if they might be exposed to poisonous gases. Modern localization systems provide excellent service in this situation. It is ...