Researchers found that cold is detected differently in the skin than in internal organs. This split system helps explain why cold air, cold drinks, and cold surfaces create very different sensations.

Effective training helps workers understand gas hazards, respond to alarms, and reduce exposure to toxic, flammable, and oxygen-deficient atmospheres.

Julie Young is an experienced financial writer and editor. She specializes in financial analysis in capital planning and investment management. Gordon Scott has been an active investor and technical ...