Ask The Naked Scientists

Ask the Naked Scientists SA episode

Fri, 14th Mar 2014

Why do Guinness bubbles go downwards?

Pint of Guinness (c) Sami Keinšnen

How does the processing power of a brain compare with a computer? How can we shield astronauts en-route to Mars? Do ants prefer protein? What causes left handedness? Why do bubbles go downwards in a glass of Guinness? And do older makes of television emit X-rays?

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