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24 Strange Scientific Studies - mental_floss on YouTube - List Show (312)

Key Facts In This Video

  1. In the 1930s, Dr. Allan Walker Blair let a black widow spider bite him to learn about the venom's effects. 01:25

  2. A Swedish study found that chickens tend to prefer conventionally beautiful human faces. 03:50

  3. Multiple studies have tested whether owners resemble their pet dogs. 07:08