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  • 11 years ago
Planets and Cosmology

Planets and Cosmology

This week, Drs Chris and Helen find out how your fingers can reveal whether you're mathematically minded, and bridge-building ants that quite literally let themselves be walked over. Also, Astronomer Carolin Crawford takes us on a foray into outer space to discover the shape of the universe, we meet a geyser so tall that it spurts into space, and we Join Maggie Turnbull as she searches for nearby planets that could sustain life. Plus, in Kitchen Science, how to measure the speed of light using a microwave oven!