Can Dogs Really Smell Fear?

Can animals really smell fear? Can *humans* smell fear? And if the military were to, say, use pheromones to psych out enemy troops would that count as biochemical or psychological warfare? Let Me Google That is sponsored by ⁠Water Cooler Trivia⁠! --- Support this podcast: https://podcasters.spotify.com/pod/show/letmegooglethat/support