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Flatulence
Flatulence is the presence of a mix of gases known as flatus (lat. flatus = "wind") produced by symbiotic bacteria and yeasts living in the gastrointestinal tract of mammals. The average human ... > more -
Black widow spider
The black widow spider (Latrodectus spp.) is a spider notorious for its neurotoxic venom. It is a large widow spider found throughout the world and commonly associated with urban habitats or ... > more
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