Special microbial mat systems in Alpena, Michigan, are helping scientists search for extraterrestrial life. They could also lead to advances in other scientific fields, such as evolutionary biology and medicine.
Sighting of dead fish washing up in Lake Macatawa sparks questions for boater hollandsentinel.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hollandsentinel.com Daily Mail and Mail on Sunday newspapers.