When playing this simple game, people consistently reject the rational choice. In fact, by acting illogically, they end up reaping a larger reward--an outcome that demands a new kind of formal reasoning

Pleistocene rewilding--a proposal to bring back animals that disappeared from North America 13,000 years ago- -offers an optimistic agenda for 21st-century conservation

Energy-driven networks of small molecules may be more likely first steps for life than the commonly held idea of the sudden emergence of large self-replicating molecules such as RNA