While the deadly skin cancer has risen nationally for more than 30 years, its growth in Los Angeles County has slowed.

Jill McNitt-Gray, USC professor biological sciences and biomedical engineering, works with athletes and coaches to study how horizontal jumpers and sprinters generate speed and which techniques work for or against them.

Zenkerella, an elusive scaly-tailed squirrel that has never been spotted alive by scientists. However, biologists recently found three newly dead specimens that hint at how the “living fossil†has evolved over the past 49 million years. Zenkerella insignis, a mysterious rodent from central Africa, is among the least studied of all living mammals, said Erik Seiffert.

White and black women in Los Angeles County are the most likely to be diagnosed with breast cancer, but Asians are slowly catching up.

Biologists seek Zenkerella, a scaly-tailed squirrel that has never been spotted alive by scientists.

USC Dornsife faculty members collaborate on a new translation of poems by enfant terrible Arthur Rimbaud.

The track and field standout won silver in the women’s 400-meter at the Summer Olympics.

Prostate and lung cancer have been the No. 1 and 2 cancers among men. Stomach cancer, the third leading cause of cancer deaths worldwide, has been on a steady decline among Koreans and Japanese. Black men had the highest overall rates of cancer. Thyroid cancer — which is relatively treatable — has been on the rise, and women are about three times more likely to contract it than men.

Allyson Felix advances to Monday’s 400-meter final. USC has 44 Olympians in Rio, the most of any U.S. university.

Eugene Rogolsky donates his complex collection of artists from the Americas and Eastern Europe.