The space agency just released a full page on Giphy.com devoted to NASA's favorite animated gifs, and all of them are pretty amazing. SEE ALSO: NASA unveils 'food bars' to feed astronauts on long ...

Aquaporins (AQPs) are transmembrane proteins that play a vital role in the rapid transport of water across cell membranes. Various subtypes of AQPs (AQP1, AQP3, AQP4, AQP5, AQP6, AQP7, AQP8, AQP9, and ...