Stanford scientists designed a smart toilet that can ID you just with a picture of your butt to monitor the health of your poop and pee

· Stanford researchers are developing a smart toilet that uses biometrics to identify people's butts and analyze their poop.
· The toilet is meant to detect "a range of disease markers in stool and urine" including multiple types of cancer.
· It's been tested on 21 people. Researchers also surveyed 300 prospective users, and...