Quirks & Quarks

Quirks & Quarks for November 5, 2016

Sex on the brain, bomb-detecting spinach, Canada's climate commitment and more.
The Eiffel Tower lights up with the slogan "Action Now" referring to the COP21 United Nations Climate Change Conference in Paris in December, 2015. (Michel Euler/The Associated Press)

Theme music bed copyright Raphaël Gluckstein, Creative Commons License by-nc-nd-2.0