Kidneys like marine mammals have could help us. Relevant: http://www.scientificamerican.com/article.cfm?id=how-can-sea-mammals-drink http://www.scientificameri

Kidneys like marine mammals have could help us. Relevant: http://www.scientificamerican.com/article.cfm?id=how-can-sea-mammals-drink http://www.scientificamerican.com/article.cfm?id=how-can-sea...