Hot water freezes faster than cold – and now we know why. | IFLScience

Hot water seems to freeze faster than cold water – known as the Mpemba effect. While various theories have been proposed as to why this effect occurs, a team of physicists now seem to be the closest to the answer: it’s all to do with the covalent bonding.
by José Lourenço via Facebook at June 30, 2014 at 10:31PM
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Companies Can Refuse To Cover Contraception, Supreme Court Says

The case, Burwell vs. Hobby Lobby, is perhaps the most important decision of the term. It centers on the Affordable Care Act’s guarantee of no-cost prescription contraception.
by José Lourenço via Facebook at June 30, 2014 at 05:42PM
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