This article is a reminder that in science, nothing is certain until you have evidence (even then, nothing is totally certain): In human evolution, changes in skin's barrier set northern Europeans apart -- ScienceDaily. The popular idea that northern Europeans developed light skin to absorb more UV light so they could make more vitamin D -- vital … Continue reading Vitamin D apparently has nothing to do with skin color
Day: July 1, 2014
Ancient baby boom holds a lesson in over-population
Along the lines of last week's discussion of Jared Diamond's book 'Collapse': Ancient baby boom holds a lesson in over-population -- ScienceDaily. Washington State University researchers have sketched out one of the greatest baby booms in North American history, a centuries-long "growth blip" among southwestern Native Americans between 500 to 1300 A.D. It was a time … Continue reading Ancient baby boom holds a lesson in over-population
Court Says Some Employers Don’t Have to Cover Birth Control
There is a lot of discussion over the US Supreme Court's decision: Court Says Some Employers Don't Have to Cover Birth Control | Political Wire. The U.S. Supreme Court, in a 5-4 split, ruled that "closely held" companies can on religious grounds opt out of a federal health-care law requirement that companies provide contraception coverage for employees, the Wall Street … Continue reading Court Says Some Employers Don’t Have to Cover Birth Control
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