Leave the camera off during your next virtual meeting, not just to hide a messy home office, but to save the Earth, scientists from three U.S. universities advise after their new study, “The Overlooked Environmental Footprint of Increased Internet Use,” was published this week.
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A new level of efficiency in using sunlight to turn seawater into fresh drinking water has been achieved. The completely passive solar-powered desalination system could provide more than 5.6 liters (1.5 gallons) of potable water an hour for every square meter of solar collecting area.
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As millions of displaced people move around the world in search of safer lives, learning the language of their adopted homes is a skill best acquired young. Scientists say there appears to be a critical period for language learning, although the length of this period and its underlying causes remain to be unraveled.
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