Since its discovery almost a decade ago, the believed benefits of the “anti-obesity hormone” called leptin has fluctuated back and forth. The hormone first caused a stir when scientists announced they could cause fat mice to lose weight by injecting them with the weight-regulating hormone. Read more...

Botanical garden’s new attractions The Mildred E. Mathias Botanical Garden at UCLA opened its new hummingbird and butterfly pollination bed on Aug. 10. The new exhibit, located on the north end of the 8-acre garden, features perennial plants, daisies and tubular flowers of various sorts. Read more...