Neural tissue normally dies quickly without oxygen. Yet bird retinas − among the most energy-demanding tissues in the animal kingdom – function permanently without it. This may be relevant in future ...
Regularly sleeping less than you need can harm your health and safety. Most adults do best with 7 to 9 hours per night. Getting at least 7 hours of sleep may support weight management by affecting ...
Wind is the movement of air from an area of high pressure to an area of low pressure. In fact, wind exists because the sun unevenly heats the surface of the Earth. As hot air rises, cooler air moves ...
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