However, it wasn’t until 2008 that the US Food and Drug Administration (FDA) codified container closure and integrity testing (CCIT) as a requirement to preserve product sterility. But ...

The ability of bacteria to control the biophysical properties of their membrane phospholipids allows them to thrive in a wide range of physical environments. Fatty acid biosynthesis is an energy ...

They also tested each filter to determine its installation process, lifespan and whether or not it was worth the purchase price. Below are the results of their hard efforts.

Take this test to learn where you fall on the spectrum. Using the key below, answer the questions based on how strongly you agree or disagree with the statement.