We can cry out of sadness, fear, frustration, anger, or even joy. But why do streams of liquid leave our eyes? The truth is no one really knows for sure. In a scientific sense, we’re the only organisms who tear up due to our emotions. Other creatures do so merely to remove irritants from their eyes. Another interesting find is that tears formed from different emotions actually contain different chemical makeups. Jeff and Anthony have a candid discussion about this phenomenon they have no first hand experience with.

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