THE 21ST CENTURY IS NOT TURNING OUT AS I’D ANTICIPATED: Cyclist Tried Poop Doping, and It May Have Worked: Biologist says transplant boosted race times. “Petersen—who says the procedure was “not fun” but “pretty basic”—says she started collecting stool samples from top racers and found that a microorganism called Prevotella was found in almost all top racers but less than 10% of the general population. She is now doing more research into Prevotella, which is believed to help muscle recovery.”