Stories by Karl Gruber

Why We Are Attracted to Deviant Personalities

New research finds that heterosexual people with pathological personalities have better success finding mates

November 11, 2015 — Karl Gruber

Oral Mystery: Are Agriculture and Rats Responsible for Tooth Decay?

Tooth decay is a relatively modern problem. The bacteria feasting on your teeth might have originated in the mouth of a rodent, and found their way to our teeth, thanks to agriculture

February 6, 2013 — Karl Gruber