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...course. This material forms part of The Open University course T210 Environmental control and public health... Air pollution Keeping watch on the invisible. The Clean Air Act banished smog from our cities in the 1950s, but today there are new types of air pollution . Pollution: shipping How do we measure pollution in the air and what vehicles have the worst emissions?...

...course of a day, revealing that some stress might be good for you; and experts shed light on the significance of stress using studies of baboons. This material forms part of The Open University course SK277 Human biology... The Art of Breathing A short introduction to this album. The mechanics of breathing An insight into the complexities of how the body controls...

...course T224 Computers and processors... Computer technology: robotic milking and interactive mirrors A short introduction to this album. The cows that milk themselves The automatic milking robot that gives cows control over when they are milked. Tempting the cows into the machine How the robotic milking system works. Feeding the babies From the robot milker to the robot...

Is it possible to make your own black hole? DIY experts take note with this animation ...Find out about The Open University's Natural Sciences courses. Transcript Read Andrew Norton on the two types of black holes Discover how you can study physics and astronomy with The Open University

Discover how the Moon's orbit means we always see its best side...Find out more about The Open University's Natural Sciences courses. Transcript Read David Rothery on the Moon’s state of synchronous rotation Discover more about studying physics and astronomy with The Open University