Detecting volatile food contaminants

This video summarizes three of the most commonly used methods for fat extraction in food processing analytics. The processes of Soxhlet extraction, hot extraction (Randall) and continuous economic extraction (Twisselmann) are described graphically.

People are eating more fish than ever, and a third of global stocks are threatened by over-fishing. A small company says its genetically engineered salmon can help meet the demand, as critics say it’s a step in the wrong direction.

Watch the global launch of the inaugural Wellcome Global Monitor report in Washington, DC at the Gallup World Headquarters.