16 Amazing Facts About Sea-Monkeys
Here are a few things you might not have known about one of your favorite childhood pets. 13. Sea-Monkeys went to Space On October 29, 1998, the Space Shuttle Discovery carried some very special cargo into space: Astronaut John Glenn—who, at 77, was participating in a study on the effects of space on the elderly—and 400 million Sea-Monkey eggs. The eggs spent nine days in space and, when they were hatched eight weeks later, the creatures showed no ill effects from their journey.