The Blue Poop Challenge measures gut transit time by tracking how long it takes blue food to pass. Researchers found that gut transit time lasted approximately 28.7 hours in a study. People with ...

There are no toilets in space, so astronauts must instead wear a fancy space diaper when they need to go #2. Of all the things we’d like to know about outer space - Is there life on other planets? How ...

Of all the things we’d like to know about outer space - Is there life on other planets? How close are we to sending a man to Mars? Just how much space is there, anyway? We really only have one ...