It turns out that, like the antennas on an insect or crustacean, a ray uses its tail to sense its environment. The inside of a myliobatid stingray tail is remarkably complex, the scientists learned.

At BetMGM, one bettor put $5,000 on the coin toss to be Tails (-102) and at ESPN Bet, one bettor really put $20,945 on Tails. For the most part, coin toss betting was pretty even across the board.

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