How Did Two Tortoises Beat Apollo to the Moon?

The Apollo space mission brought the first humans to the Moon -- but two tortoises from Russia were the first vertebrates to orbit Earth's satellite. Learn more in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/space-tortoises.htm Learn more about your ad-choices at https://www.iheartpodcastnetwork.com