In the 'butterfly effect,' an insect can flap its wings and create a microscopic change in initial conditions that leads to a hurricane halfway around the world. This chaos is seen everywhere, from ...

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, ...

If you’ve ever wondered why some animals like butterflies, birds, and beetles shimmer in the light and change from one iridescent color to the next, it’s because they don’t rely on pigments as most of ...

Tagging the wing of a monarch butterfly is a delicate piece of business. Scales must be scraped away without breaking the wing itself; the sticky, paper tag must be folded over in just the right place ...

It's poetic, the notion that the flap of a butterfly's wing in Brazil can set off a cascade of atmospheric events that, weeks later, spurs the formation of a tornado in Texas. This so-called ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. “A butterfly can flap its wings in Peking, and in Central ...

Come for the presents. Stay for the baggage.

WASHINGTON, Jan. 24, 2023 – The further out in time, the more unreliable a weather forecast. That's because small variations in initial weather conditions can completely change the entire system, ...