These wings from a Morpho butterfly are normally bright blue thanks to structural color. Because the nanosized spacing between the wings’ scales (micrograph) matches blue light’s wavelength (between ...

Like the burnt toast theory, the butterfly effect isn't just some buzzword trending on TikTok. At its core, the theory is a powerful reminder that you can have more influence over your life than you ...

In 1972, the US meteorologist Edward Lorenz asked a now-famous question: "Does the flap of a butterfly's wings in Brazil set off a tornado in Texas?" The image of the tiny flapping butterfly has come ...

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, ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. The butterfly effect, a concept rooted in chaos theory and ...