
Horses can sense human fear by smell.
French scientists have discovered that horses can detect human fear through the scent of sweat, which influences their behavior and may be important for horseback riding and hippotherapy.
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AILINCOM 
French scientists have discovered that horses can detect human fear through the scent of sweat, which influences their behavior and may be important for horseback riding and hippotherapy.

Scientists have discovered that female black widows release a special pheromone that attracts males and helps them choose less aggressive mates. This finding sheds light on the subtle mechanisms of chemical communication and mating behavior in spiders.