From menstrual cycles to rainfall, there are lots of claims about the moon's influence. In today's episode, Hank is here to set the record straight with 8 myths & facts about our moon.

With so many claims about the moon’s influence over everything from menstrual cycles to rainfall, SciShow is here to set the record straight with these 8 truths and myths about our moon.

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Flinching in response to an unexpected loud noise might not be pleasant, but it's also not a problem for most people. For one family, however, getting startled would cause their bodies to go stiff and fall.

Howcast - Learn about psychogenic nonepileptic seizures, or PNES, from Steve Wolf, MD and Patty McGoldrick, NP in this Howcast video.