Winner of Ig Nobel 2018 prize, Japanese medic Akira Horiuchi (2nd L) and Ig Nobel founder Marc Abrahams (2nd R) attend the opening ceremony of the exhibition in Tokyo.
A gadget to "translate" dog barks for humans, a "babypod" that plays music inside the mother's vagina for unborn babies and the world's first self-colonoscopy method were among the whacky inventions on show at a new Tokyo exhibition.
The museum celebrates weird and wonderful inventions created by real scientists for the Ig Nobel Prize - or "anti-Nobels" - designed to make people "laugh first and think later".
