Multimedia·Feature

How hot weather affects the body

Abundant sweat, itchy sunburn and aggressive heat cramps - they’re the hallmarks of a summer heat wave. But just how exactly does the body keep cool as the temperature climbs? This interactive explores the physical processes from sweat to heat stroke.

Understanding the nitty gritty of sweat glands, sunburn and heat stroke

Abundant sweat, itchy sunburn and aggressive heat cramps -- they're the hallmarks of a summer heat wave. But just how exactly does the body keep cool as the temperature climbs? The interactive below explores the physical processes from sweat to heat stroke.