FeedaMail: AP Top Science News At 5:38 p.m. EDT

	AP Top Science News At 5:38 p.m. EDT
	(Sponsor this newsletter) Midday naps help preschoolers learn, study says NEW YORK (AP) -- Any parent knows that a daytime nap can help keep preschoolers from getting cranky. Now a small study suggests that it helps them learn, too.... Read More » Ruth Patrick, pioneering ecologist, dies at 105 PHILADELPHIA (AP) -- Ruth Patrick, a scientist whose research on freshwater ecosystems led to groundbreaking ways to measure pollution in rivers and streams, has died. She was 105.... Read More » What 95% certainty of warming means to scientists WASHINGTON (AP) -- Top scientists from a variety of fields say they are about as certain that global warming is a real, man-made threat as they are that cigarettes kill.... Read More » Border's Mexicali tops Mexico City in pollution MEXICO CITY (AP) -- Move over, Mexico City, a think tank study says the country's most damaging air pollution is in the border city of Mexicali.... Read More »
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