AILSA CHANG, HOST: The cold waters of the Arctic are home to an unusual whale that you might have heard of, the narwhal. Narwhals have a long, sharp tusk that juts out of their heads.

Well, as it turns out, the hunter was right. It was a fossil—a rare woolly mammoth tusk, to be precise. In reporting the find, Sul Ross State University stated in a press release: ...

A man who was exploring in Madison County, Mississippi, found a 7-foot, Ice Age-era Columbian mammoth tusk before scientists arrived to evaluate the rare discovery.

A fossil hunter was scouring a Mississippi creek for remnants of the past when he came across the discovery of a lifetime — a tusk from an ice age Columbian mammoth.