Mice to help us endure trip to Mars Ledger-Enquirer

In Massachusetts, a cadre of tiny mice anxiously wait, hoping they have the right stuff to become the first test astronauts for a very special trip into orbit. This latest space venture hopes to make future trips to Mars safer for humans, since we still have much to learn about the long-term effects of space travel on the human body. Even though we’ve been lifting off the launch pad since 1961, the question remains as to how much the human body can endure in conditions vastly different those on Earth.