Betty Reid Soskin was the nation’s oldest national park ranger. She passed away on Dec. 21 at 104 years old. To honor her, we bring you an episode from 2021, about how a California school came to be ...

Jan. 1, 2026 Scientists studying Alzheimer’s in African Americans have uncovered a striking genetic clue that may cut across racial lines. In brain tissue from more than 200 donors, the gene ADAMTS2 ...