ORANGE COUNTY, Fla. — Orange County Parks and Recreation officials confirmed they have closed the swimming area in Kelly Park Friday as a result of alligator activity in the water.

The number of calories you burn swimming depends on factors like time and intensity. For example, the longer and harder you swim, the more calories you burn.

Water walking, or aqua walking, is an excellent cardio and resistance training option. It can also help you burn calories while limiting the stress on your joints.

Monkeys in the news. From squirrel monkeys to baboons, read all the latest research about monkeys.