Ask Smithsonian: How Long Can a Person Hold Their Breath?
Gasp! The answer will amaze you. (Still Image: MaFelipe / iStock)
from Videos | Smithsonian http://www.smithsonianmag.com/videos/category/ask-smithsonian/ask-smithsonian-how-long-can-a-person-hold/
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from Videos | Smithsonian http://www.smithsonianmag.com/videos/category/ask-smithsonian/ask-smithsonian-how-long-can-a-person-hold/
via IFTTT
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