Did you know there is a microscopic animal that can live up to 30 years without food? And that can survive in the vacuum of space? They are called tardigrades, also known as water bears or moss piglets, and they are hardy creatures. How much DNA do these adaptable and almost indestructible organisms share with humans? We asked biologist Kalia Gabriel to help us find the answer.Got a question you can’t bear anymore? Send it to us at BrainsOn.org/contact, and we’ll help you find a tardi-great answer!