The chemical building blocks that make plastics so versatile are the same components that might harm people and the environment. Greener solutions, however, are becoming available
The biofuel lobby will win big by delaying rules on "indirect land-use change" for six years, but the National Academy of Sciences may now study the issue
Used in gardens, farms, and parks around the world, the weed killer Roundup contains an ingredient that can suffocate human cells in a laboratory, researchers say
Heavy use of fertilizers causes environmental problems in the U.S. and China, but a global team of scientists is prescribing more use of fertilizers for sub-Saharan Africa
Animals that engage in same-sex sexual behavior may be acting in accord with adaptational strategies rather than against them--and bending the way we think about evolution