This week, 100Kin10—a national network with a goal of training and retaining 100,000 excellent K–12 science, technology, engineering and math (STEM) teachers by 2021—announced a key milestone during the organization’s annual partner summit at the San Diego Zoo:

Chimpanzees are well known for their extraordinary diversity of behaviors—including using tools for hunting or digging, cracking nuts with stones and using moss as a water-drawing sponge—with some behaviors also exhibiting cultural variation.

San Diego Zoo Global researchers have confirmed the presence of rare black leopards living in Laikipia County, Kenya. Sometimes called black panthers, the melanistic leopards were filmed in Lorok, Laikipia County, Kenya on remote cameras that were set up as part of a large-scale study aimed at understanding the population dynamics of leopards in Mpala and Loisaba Conservancies.