What was Einstein's miracle year?
In 1905, often called Albert Einstein's "miracle year," he published four groundbreaking papers, including special relativity and the idea behind E=mc².
Reference: Encyclopaedia Britannica
In 1905, often called Albert Einstein's "miracle year," he published four groundbreaking papers, including special relativity and the idea behind E=mc².
Aristotle was the tutor of the young Alexander the Great.
Prairie dogs, those little pups popping in and out of holes on vacant lots and rural rangeland, are talking up a storm. They have different "words" for tall human in yellow shirt, short human in green shirt, coyote, deer, red-tailed hawk and many other creatures.