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Front Matter
Environmental factors, not genes constitute most disease risk. Myriad approaches are attempting to use the latest science and technology to more clearly reveal the complex mix of pollutants that contribute.
Image courtesy of Aclima/Google.
Cultural and scientific challenges suggest that the notion of restoring significant amounts of carbon to soils is an overly optimistic and inherently flawed proposition.
Image courtesy of ScienceSource/Jerry Irwin.
In the News
Blood-sucking sand flies from disparate global regions have a predilection for feeding on the marijuana plant (Cannabis sativa), and the findings hint at a potential avenue for controlling sand flies, which can transmit leishmaniasis.
Image courtesy of David Poché.
A study explores human impacts on the composition of deep-sea sediments and, consequently, the geological record, and finds significant anthropogenic contribution to calcium carbonate dissolution at the seafloor.
Image courtesy of Olivier Sulpis.
A study suggests that climate change is driving high-elevation tropical species to extinction, with species moving to progressively higher elevations until they run out of habitat.
Image courtesy of Graham Montgomery (University of Connecticut, Storrs, CT).
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Science Sessions Podcasts
Chryssa Kouveliotou describes her efforts to compile a detailed X-ray map of the galactic plane.
FEATURED QnAs
PNAS QnAs with Helmut Schwarz
