On Mars, More Water From Pricey Plumbing The New York Times

When NASA decides to send astronauts to Mars and farther out, one of the biggest technological hurdles it will face will be making sure they don’t get thirsty. A $49,000 toilet at Purdue University may provide part of the answer. When NASA engineers first considered manned missions to Mars to follow the moon landings, they imagined that the astronauts would simply pack lots of water and food.