Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday.

Topics covered:

Early warning system for El Nino weather pattern, the mysteries of the gut microbiome. Pests are adapting to the toxins produced by genetically modified crops, and a study suggests lo-fat dressings don't allow you to absorb the most nutrients from a salad.

And a TEDx talk by former astronaut Ed Lu about remote monitors in the oceans.