Chaos theory has revolutionised our understanding of complex dynamical systems by revealing that deterministic systems can display behaviour that is both unpredictable and exquisitely sensitive to ...

A monarch butterfly (Dannaux plexippus) flaps its wings in Piedra Herrada Sanctuary, Mexico. Might this start a chain of events that results in a tornado in Texas? Photograph by Jaime Rojo In 1961, ...

Popular culture turned the Butterfly Effect into a story of random chance — a wingbeat that changes the world — but scientists say it’s really about mathematical sensitivity, not chaos from nowhere.

The author, who was part of IPCC team that won the 2007 Nobel Peace Prize for its work on human-induced climate change, ...