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When food is scarce, the feeding clock overrides the master clock, keeping animals awake until they find food. Thus, shift workers and travellers can keep tiredness at bay by not eating, they suggest in the journal Science.
2008-05-23
jet lag biological clockIn a future world without aeroplanes, children would gather at the feet of old men, and hear extraordinary tales of a mythic time when vast and complicated machines the size of several houses used to take to the skies and fly high over the Himalayas and the Tasman Sea.
2010-04-17
airplane philosophy poetry flight aviation travel journey pilgrim change speed jet lag noise pollution sky Alain de Botton distance