Jet streams are fast-moving currents of air that circulate above the Earth. When people refer to "the jet stream" they are usually referring to the polar-front jet stream or the subtropical jet stream ...
Litter fall in a southern Appalachian Mountain forest varied considerably along the edge to center gradient of different sized disturbance patches. Annual inputs in undisturbed forest were 534 g/m 2 ...
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The egg-buying pattern retailers watch closely, and why shelves look different week to week
When you walk into a supermarket, the egg case is one of the clearest barometers of how the food system is coping with stress. Prices, package sizes, and even which brands are left at eye level shift ...
Sleep has two phases: non-rapid eye movement (NREM) and rapid eye movement (REM). It also has four stages that repeat in 4 to 6 cycles nightly. Each stage affects your body differently, from light ...
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