The Space Poop Challenge was a 2016 contest sponsored by NASA for new designs of space toilet systems for use in space suits.[1][2][3][4][5]
The contest requests "proposed solutions for fecal, urine, and menstrual management systems to be used in the crew’s launch and entry suits over a continuous duration of up to 144 hours".[6]
The contest was won by Dr. Thatcher Cardon.[7]