DR RAY CLARK (FRPS) & MERVYN DE CALCINA- GOFF (FRPS) / SCIENCE PHOTO LIBRARY DR RAY CLARK (FRPS) & MERVYN DE CALCINA- GOFF (FRPS) / SCIENCE PHOTO LIBRARY
Human body thermograms. The thermograms show heat from a woman (left pair) and man (right pair) from the front (left of each pair) and back (right of each pair). At bottom are the man (left) and woman (right) raising their arms above their heads. Thermograms measure the infrared radiation emitted by a body, and areas are colour-coded by temperature, from light blue (cold) through pink, yellow and red to white (warmest).
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