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, ...

In science, there has been a concept called the "butterfly effect" for many decades - when a completely random and seemingly insignificant impact as a result of subsequent situations has a key ...

Small changes can have incredibly large and unintended consequences, whether for good or for ill. And no matter how smart you (think you) are, there’s absolutely no way that you can predict all of the ...

You've probably heard of the ‘butterfly effect’ from the 2004 American sci-fi movie featuring young Ashton Kutcher. But the ...