When we cry, we send all sorts of emotional signals. But scientists at the Weizmann Institute now say that tears carry chemical signals as well, after they observed that merely sniffing a woman’s tears reduced sexual arousal in men. Reporting their findings in Science Express, the scientists note that humans, like most animals, expel various […]
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The evolutionary benefits of crying
Crying is known to be a symptom of pain or stress, but an evolutionary biologist from Tel Aviv University (TAU) suggests that tears are also an evolution-based mechanism to bring people closer together and make interpersonal relationships stronger. “Crying is a highly evolved behavior,” explains Dr. Oren Hasson of TAU’s Department of Zoology. “Tears give […]