Discovery News

March 26, 2013, 11am PDT
While pollution from vehicle exhausts has been known for some time to exacerbate the symptoms of asthma, a new study published in the European Respiratory Journal establishes for the first time the direct causal link between the two.
Discovery News
May 5, 2007, 5am PDT
<p>Researchers have surveyed the continental U.S. to create a map of all roadless areas. The survey revealed that a road is always within 22 miles of any point in the country, and that some areas have too many roads for the size of their populations.</p>
Discovery News