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Science can make a critical contribution to the massive US effort to clean up sites once devoted to manufacturing nuclear armaments — but only if the Department of Energy is effectively reformed.
Cleaning up the legacy of US nuclear weapons production is now the largest environmental project in the world. But science is finding it difficult to contribute to closing the circle opened by the Manhattan Project.
Well, are they or aren't they? The debate over whether some of the accretions known as stromatolites are really of biological origin, and thus can provide information about the early history of life on Earth, takes a fresh turn.
Techniques and technology for the molecular biologist — prepoured, polyacrylamide gels for DNA sequencing, a universal support for DNA synthesis, a baculovirus expression system, a telomerase detection kit and cDNA synthesis kits.
