‘Smart’ loo that identifies a person from ‘analprint’ wins spoof Ig Nobel prize

Seung-min Park with the Smart Healthcare toilet at Stanford University (Ig Nobel/Seung-min Park/Stanford University/PA)

A “smart” toilet that can identify a person from their “analprint” has won one of this year’s spoof Ig Nobel prizes.

Just like fingerprints, the creases in the lining of a person’s anus – known as analprint – is said to be unique.