Levels of chlorine, which is also toxic at low concentrations, reached 40 times the average. The spiking levels underscore the added danger from wildfires when cars, homes, and other structures ...

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Head to Google’s homepage today and you might expect to see the obligatory teddy bears, red roses and love hearts. Instead, ...

A chlorine rash is a reaction to chlorine, which is often added to pool water to help disinfect it. Some preventive steps, including bathing after exposure, may reduce symptoms. Chlorine is an ...

A series of chlorine isotope dates shows that the cave’s entrance was sealed by a rock fall around the time of its last use.