In the Big Cypress National Preserve in South Florida, hunters from the area bagged a 19-foot Burmese python. It was one the biggest ones ever documented. Jake Waleri is a 22-year-old from Naples.

Researchers have created a bioinspired gel that can regenerate tooth enamel by mimicking natural growth processes. The fluoride-free material forms a mineral-rich layer that restores enamel’s strength ...