Can humans hibernate their way to Mars?

Scientists are trying to recreate the biology that lets animals survive months without food or water, in hopes of making deep-space travel possible Long-term space travel is bad for your health. Very bad. Being in space exposes humans to dangerously high levels of radiation; extended exposure to microgravity can damage a range of organ systems, including muscles, bones and eyes. Living for months or years in tight quarters can have severe psychological effects. The key to solving these problems…