How does an astronaut swallow in space?

19 November 2010
Presented by Chris Smith, Redi Tlhabi


 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...


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...


Add a comment