Source: The San Tan Valley, AZ weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency).
A hydra is a small multicellular organism in the genus of the same name. These tiny animals are found in fresh water all over the world, and they have a number of distinctive traits that make them interesting to scientists.
Film. 1  Hydra appears in the television film Nick Fury: Agent of S.H.I.E.L.D.. 2  Hydra agents appear in the animated film Ultimate Avengers 2 fighting against Captain America. 3  Hydra appeared in Heroes United: Iron Man and Hulk. 4  Hydra appears in Heroes United: Iron Man & Captain America.