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Liverpool, Merseyside. Various shots of a scientist in a white coat weighing a man dressed only in his underpants. Various shots of the man - a student - exercising on a treadmill, the scientist attaches an 'anode' to the man's arm to test perspiration rate and skin temperature in an artificial jungle atmosphere. M/S of the scientist monitoring the student from behind a glass screen. C/U of the scientist pushing a button that switches on a fan by the treadmill. Various C/Us of the student covered in sweat as he exercises. The scientist reweighs the student - the purpose of the experiment is to discover how much fluid is lost exercising in a hot climate. Various C/Us of a slide of human cell tissue being placed in an electron machine. Top shot of two scientists looking into the machine at the magnified tissue. C/U of the scientist's hand twiddling knobs on the machine. Very extreme C/U of magnified tissue as seen through the microscope. Various shots of two female scientist using tweezers
