Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure positive feelings — and it’s a challenge.
When we think of the 1960s, our minds usually drift toward the moon landing, the Beatles, and the rise of the counterculture ...
Meet Contender. He’s nearly 14 feet long and 1,700 pounds, and took a 5,300-mile journey to Canada before returning to his favorite wintering grounds off the east coast of Florida.
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