Discovery could lead to better cancer immunotherapy

A type of white blood cell previously known only as a helper in the immune system appears also to be the instigator of the body’s defenses against cancerous tumors. The discovery could lead to more effective cancer immunotherapy, a promising treatment …

The history of Lake Cahuilla before the Salton Sea

Lake Cahuilla went through many cycles of filling and drying out over thousands of years. A new study by a San Diego State University researcher and colleagues used radiocarbon dating to determine the timing of the last seven periods of filling during …

A View From the Easel

This week, artist studios in the Hudson Valley, New Hampshire, California, and New York City.

Engineers boost signals from fluorescent sensors

Engineers have found a way to dramatically improve the signal emitted by fluorescing nanosenors. The researchers showed they could implant sensors as deep as 5.5 centimeters in tissue and still get a strong signal. The advance allows the particles to b…