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Stories about: cycles

'Sleep Debts' Cannot be Compensated for Later Researchers investigating our sleep mechanisms have recently determined that periods of lost sleep cannot be made up for at a later date. In a sense, the damage that is done when you force yourself to remain awake for tens of hours continuously cannot be made up for if you sleep 20 hours or more after that. The team ... 14 January 2010 17:01 GMT Earth's Cycles Are Falling Out of Sync Speaking at a conference organized by the Ecological Society of America (ESA), scientists will warn, between August 4th-5th, that the biogeochemical cycles that have run in sync on our planet until now are about to stop running complementary to each other, which could lead to devastating consequences. The 94th ESA an... 4 August 2009 03:54 GMT