How does an astronaut swallow in space?

How do space travellers navigate, can you swallow in microgravity, does apple cider vinegar help with weight loss, is there a "gay" gene, why did a game of football come...
19 November 2010
Presented by Chris Smith, Redi Tlhabi

Astronaut.jpg

 Astronaut Bruce McCandless II, mission specialist, participates in a extra-vehicular activity (EVA), a few meters away from the cabin of the shuttle Challenger. He is using a nitrogen-propelled hand-controlled manned manoeuvring unit (MMU). He is...

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How do space travellers navigate, can you swallow in microgravity, does apple cider vinegar help with weight loss, is there a "gay" gene, why did a game of football come to a frosty conclusion and why do some plant pigments change colour in water? Join Dr Chris for another fact-soaked foray into the world of science...

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