World War I changed the way wars were fought. New technologies and tactics created a deadly war machine in which both old and new weapons played decisive roles. Here, we review the 10 most commonly ...

Ultra-processed baby foods disrupt gut bacteria in infants, increasing the risk of inflammation, allergies, obesity, and ...

When volcanoes like Alaska’s Mount Spurr erupt, the ash can damage people’s lungs, smother crops and kill animals, and the ...

Fine ash can infiltrate the lungs of people and animals who breathe it in, poison crops and disrupt aquatic ... in a near-supersonic stream of hot gas. Towering clouds of ash rise several miles ...

Fine ash can infiltrate the lungs of people and animals who breathe it in, poison crops and disrupt aquatic ... in a near-supersonic stream of hot gas. Towering clouds of ash rise several miles ...

He pulls on a gas mask during a chemical attack ... of backbreaking work punctuated by bursts of deadly violence is poison for the human soul, and how war conditions one to have unthinkably ...

resembled nothing so much as the lesions from breathing poison gas. On October 16, 1918, a letter carrier in New York City makes his rounds wearing a mask for protection. National Archives ...

Fine ash can infiltrate the lungs of people and animals who breathe it in, poison crops and disrupt aquatic life ... mineral and glass carried in a near-supersonic stream of hot gas. Towering clouds ...

Only one known intrusion caused a system malfunction, which led to a water tank overflow. They didn't poison the water supply or prevent people from turning on a faucet in their homes and drinking ...