You might have thought that health specialists would closely monitor the prevalence of allergies in the population, especially when they are far more common than they used to be. In fact, it happens less than you would think. For asthma, for example, the government publishes statistics on the...

Lost amidst the frenzy of coverage of the Supreme Court’s rulings about the Affordable Care Act and same-sex marriage was a case involving the constitutionality of an independent commission to draw congressional districts in Arizona.

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Today’s smartphones are equipped with powerful sensing capabilities. Using these sensors, your smartphone potentially has a record of how active you are, how much you sleep and where you go. If we look at the data those sensors gather, we can get a pretty good idea of what someone’s...