Dear EarthTalk: Is there really such a thing as "sun-protective clothing"? If so, does it mean I can dispense with oily sunscreens once and for all? (John Sugarman, San Diego, Calif.)
Apr 20, 2009 in Other
During a research trip to Puerto Rico, ecologist James Porter took samples from underwater nuclear bomb target USS Killen, expecting to find evidence of radioactive matter - instead he found a link to cancer. Data revealed ...
Feb 18, 2009 in Environment