In her mid twenties, Yesi Ortiz was starting an exciting career as a radio host. At home, she was the new legal guardian of her six nieces and nephews. Our Slate colleague David Plotz discusses recent ...

Feb. 16, 2026 A parasite that may already be hiding in your brain has a shocking survival trick: it can infect the very immune cells sent to destroy it. Yet most people never get sick, and new ...