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Among selected Boston hospitals with high quality ratings, the hospital that cost the least for a child delivery in 2014 charged an average of $6,834. What did the highest-cost hospital charge?

Has the global number or intensity of hurricanes and tropical storms generally increased over the past three decades?

From 2007 to 2014, the U.S. Department of Defense spent $3.35 per gallon to purchase petroleum fuels. How much did it spend per gallon for alternative (green) fuels?

Do higher marginal tax rates generally reduce the incentive to work?

As a condition of being on the Common Core validation committee (which was tasked to determine the usefulness of the Common Core Standards), were members required to make all deliberations of the committee confidential or transparent?

When the modern federal individual income tax was instituted in 1913, what was the top tax rate?

What portion of adolescents who use marijuana develop a dependency on the drug?

Do higher federal income tax rates on the wealthy generally correspond with higher federal income tax collections?

When politicians and journalists use the phrase “carbon pollution,” to which of the following substances are they typically referring?

Is the U.S. nuclear weapon stockpile now larger or smaller than it was in the early 1990s?