millennium

Regular earthquakes happen when stresses that accumulate as tectonic plates grind together over centuries or millennia are suddenly released, creating intense shaking that lasts only seconds.

Eels, called "unagi" in Japan, have been consumed there for millennia and are now typically grilled on skewers and dipped in a soy and rice wine sauce.

With such striking qualities, it is unsurprising that chameleons have appeared in human culture for millennia.

“Oh, you know—when you have millennia of memories in this mortal mind, it’s hard to remember terminologies all the time.”

"This means that the brains of our ancestors developed under the influence of a potent toxic metal, which may have shaped their social behavior and cognitive abilities over millennia."