A leaf sheep (Costasiella kuroshimae) is a tiny, adorable species of sea slug—or sacoglossan sea slug—that looks remarkably like a cartoon sheep or a leaf. Found in shallow tropical waters near Japan, Indonesia, and the Philippines, these creatures are famous for being one of the few animals in the world that can perform photosynthesis.

The Endless Frontier

genres:

Environmental

Science

An intimate, urgent portrait of three scientists working to solve some of the most pressing challenges of our time, from disease to climate change, while revealing the growing threat to the American research engine and what is at stake for us all if it falters.