Brainy Birds and Winding Watches

Why do astronauts feel weightless in space? What makes teenagers throw tantrums? Do mobile phones damage our health? We tackle these questions on this weeks show as well as reveal...
07 August 2009
Presented byChris Smith.

Why do astronauts feel weightless in space? What makes teenagers throw tantrums? Do mobile phones damage our health? We tackle these questions on this weeks show as well as reveal how jay birds find their food, how self-winding watches work and whether losing weight can help us avoide certain diseases.

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