Ig Nobel prizes celebrate the sillier side of science.
Ceremonies have been held in the US since 1991.
The 36th edition will take place in Zurich, Switzerland.
Briefing: Ig Nobel prizes moving to Europe because US 'unsafe' to visit
Strategic angle: The tongue-in-cheek Ig Nobel awards will be held in Europe for the first time this year due to safety concerns for international prize-winners visiting the US.