Ever wondered why the spiciest food comes from hot countries, but cold countries often have plainer comfort food? We analysed recipes from all over the world to test the “Darwinian gastronomy” hypothesis that spices are used because they protect people from food poisoning.

Reflections on the paper "Daily, weekly, seasonal and menstrual cycles in women’s mood, behaviour and vital signs"

Lessons behind the paper, “To which world regions does the valence-dominance model of social perception apply?”

• Van Bavel et al. expressed their faith in social and behavioural science. • IJzerman et al. questioned van Bavel et al. conclusions. • We discuss these two views by defending maturity of behavioural science. • We conclude that social science is largely beneficial in times of a crisis.

By: Cindy Cheng, Luca Messerschmidt, Joan Barceló, Allison Spencer Hartnett, Vanja Grujic, Robert Kubinec, Timothy Model, and Caress Schenk