Epidemiologists have identified a set of measurable signals that historically precede major zoonotic spillover events. Several of them are currently elevated.
Viruses don't want anything, of course. But thinking about viral evolution as if they did — as entities with strategies and trade-offs — turns out to be one of the most productive frameworks in modern biology.
A new generation of neuroscientists believes it can selectively erase traumatic memories. They may be right. The harder question is whether they should.
GLP-1 drugs are the most significant advance in obesity medicine in decades. They are also revealing how little we understood about obesity — and how much we still don't.
Billions are flowing into research that promises to add decades to the human lifespan. The science is more serious than the hype — and more uncertain than the investors admit.