Picks from this issue of Scientific American

Solving the Cocktail Party Problem might help us improve hearing aids as well as computer speech recognition.

Asthma rates are soaring, particularly in urban areas with poor air quality, and researchers are scrambling to discover why.

Transboundary governance of the Dead Sea: facing extinction from mining and irrigation, Jordan, Isreal, and Syria are coming together.

The new science of early detection earthquakes, with obvious applications.