A study released today by the Government Accountability Office says that the Mine Safety and Health Administration (MSHA) used appropriate data and scientific methods in drafting new regulations aimed at limiting the amount of coal dust miners are exposed to at U.S. operations.
As NPR's Howard Berkes reported for us last month, some House Republicans had blocked implementation of the regulations until GAO issued its report.
Originally published on Fri August 17, 2012 1:26 pm
The Friday offer from President Obama's campaign to Mitt Romney — that if the GOP presidential candidate releases his tax returns for the past five years, it won't attack him for not releasing more — was immediately rejected by the Romney campaign.
But the give-and-take keeps Romney on the defensive, and promises to keep the issue of Romney's taxes going for weeks to come.
Up next, math books get a makeover. You may remember my next guest from her acting roles on "The Wonder Years." Winnie Cooper may ring a bell or "The West Wing." But for thousands of girls today, she's the writer and personality behind a bestselling series of books that aim to teach girls about math. First, there was "Math Doesn't Suck," then "Hot X: Algebra Revealed," and now we're onto geometry.
This is SCIENCE FRIDAY. I'm Flora Lichtman. We're in the midst of the worst drought in over 50 years. Water tables are dropping faster than they can be replenished, and at the same time an op-ed in the New York Times today says that the United States is estimated to lose about one in six gallons, one in six gallons of clean water every day due to leaky pipes in the ground.