William Krause had been spearfishing with four other divers in the Bahamas in 2018 when he felt a "big impact" on his head. "I didn't realize that a shark had bitten me," Krause explained. The shark ...

Standing as high at the shoulder as a human and weighing over 2,000 pounds, *Archaeotherium* looked pig‑like but was no true pig. Genetic and morphological evidence places them closer to whales and ...