The new Audi 90—which, together with the less expensive 80 model, replaces the 4000 lineup—should receive a warm reception ...

A new three-way bond-breaking and making mechanism makes the synthesis of five-membered rings easier than before.

Hydrogels are among the most widely studied biomaterials in modern drug delivery research. Their high hydrophilicity, ...

Functional magnetic resonance imaging (fMRI) has become an essential tool for studying human brain function. Here we describe the application of this technique to anesthetized monkeys. We present ...