We're all used to our bodies being more or less the color they always are. But there are a few different medical reason you may be seeing rainbow in the mirror, from benign to medically concerning. Here's just some of the reasons that...

What makes flamingos go from grey to pink? And can the same thing happen in humans? Quick Questions explains! Hosted by: Michael Aranda

Carrots get their orange-y color from, you guessed it, an organic chemical. This chemical, called beta carotene, gets its pigment from its conjugated electron system. We’ve talked some already about conjugation, but in this episode of...

It seems like nutrition studies contradict a lot, and it’s practically impossible to get a straight answer on whether a given food or supplement is good for you. But why?

Genetically modifying plants and animals is complicated business, but some scientists think this tool could be used to save lives in a variety of ways.

Will eating carrots help your eyesight?

Howcast - Learn what makes pumpkin a superfood from nutrition coach Lisa Neilsen in this Howcast video.

In a previous video I talk about the Mediterranean diet and how it has been shown in studies to improve depression. In this video I discuss why healthy food helps your brain. It has to do with oxidative...

Once again the grater will be used in the preparation of Coach Socrates’ recipe. Today’s treat – Coach Socrates’ famous Coleslaw.

In this episode of Nature League, Brit explains how leaves change colors while sharing some footage of fall landscapes in Montana.

Vitamin A Functions and Retinoid Cycle

The video explains what genetic engineering is and how it is used in agriculture and medicine. It discusses the benefits and limitations of genetic engineering and considers some of the concerns that people have regarding its use. The...

In this video, we explore photoreceptor signaling and photobleaching. We will answer the following questions:

1) Why do photoreceptor cells hyperpolarize in the L
IGHT?
2) What role does transducin play in photoreceptor...

From the archives: This video is from an interview and 2008 talk that Michael Pollan gave at the Bagdad Theatre in Portland, Oregon. Pollan explains the history of modern nutrition and how the nutrition experts got it wrong. What he says...