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 ...

The flutter of a butterfly’s wing can cause a hurricane around the world. Now, one butterfly’s wing flutter cannot literally cause a storm across the globe. The Butterfly Effect, according to the ...

Is the 2004 Ashton Kutcher vehicle The Butterfly Effect a good movie? Definitely not, no—but try telling that to me at age thirteen. And then wrap your head, once more, around the fact that if you had ...

As Bob Dylan famously sang, “You don’t need a weatherman to know which way the wind blows.” Yet if you do have enough wind velocity information, combined with an array of readings from barometers, ...

Meteorologist Edward Lorenz has died. He laid the foundations for the field of scientific study called chaos theory. He famously suggested that a butterfly flapping its wings in Brazil could ...

In inpatient child psychology, we treat children in crisis deemed at imminent risk of harm to themselves or others. I am grateful for the opportunity to try and help — but it is daunting. A study ...

In 1961, MIT meteorologist Edward Lorenz was inputting numbers into a weather prediction program. His model was based on a dozen variables, the value of one being .506127. When he ran the model again, ...