Ottawa, Canada - September 24, 2008 -Microbiologically contaminated water plagues approximately 1.1 billion people in rural and peri-urban populations in developing countries. Roughly 2.2 million ...

Did you know a large amount of the filtration that happens in your tank is done by microorganisms? While it’s not the whole story, biological filtration is an important factor in keeping down levels ...

Objective: Students will engineer a water filter based on observations of manta ray feeding filters, then test its effectiveness. Topics: Structure and function, adaptation, engineering and design ...