AFP News Agency
CLEAN : Could Mexico cactus solve world's plastics problem
A research in Mexico is developing a promising solution to the world's single use packaging conundrum: making biodegradable plastic from prickly pear cactus (Footage by AFPTV via Getty Images)
Science Friday Initiative
Science Friday: Poop and Paddle
Adam Katzman, the inventor and builder of the toilet-boat, says it's meant to be more inspirational than practical. "Poop and Paddle" demonstrates how sewage and rainwater can be converted to cattails and clean water. [4:02]