A construction crew in Cape Coral, Fla., in June discovered what is believed to be a bone fragment from a mastodon or mammoth, a report released Friday said. The fragment was discovered underground by crews working on the city’s utilities expansion project, The Fort Myers News-Press reported. It is believed to be a part of the animal’s humerus bone, according to The Cape Coral Daily Breeze. It is not entirely clear how old the find is; The News-Press reported it could be more than two million years old, while NBC2 put it at somewhere between 12,000 and 250,000 years. What’s more, archaeologists think there could...