Hormone levels fluctuate like the tides, ebbing and flowing according to carefully orchestrated cycles. These hormones not only influence the body, but can cross into the brain and shape the behavior of our neurons and cognitive processes.

Fruit fly larvae will reorient themselves toward the negative pole of an electric field.
 

The advent of immunotherapy has changed the way we treat cancer. But current techniques can only benefit some patients, and fare poorly against solid tumors. Cellular biologist Meghan Morrissey at UC Santa Barbara is working to change that by focusing on macrophages, a type of innate immune cell.