Tag: Human

The Digestive System: CrashCourse Biology #28

Oh hi! I hope you don’t mind that I’m eating. This is actually just my first course. For my birthday, the writers wrote me a script where I just get to eat! The whole time! And I can’t think of a better way to demonstrate the workings of the digestive system, the series of hollow…


Joel Cohen: An Introduction to Demography (Malthus Miffed: Are People the Problem?)


My name is Joel Cohen I’m Professor of Populations at the Rockefeller University and at Columbia University in New York City.   My background is partially in public health and partially in applied mathematics. WHY SHOULD YOU STUDY DEMOGRAPHY? Why should you consider taking a course in demography in college? 

You will be growing up…


Dietetics and Nutritional Science at Iowa State University

What is that? Dietetics…Couldn’t tell ya. I guess it kinda sounds like…. um… I guess the science of what you need to eat in order to be healthy? I don’t know. The chemicals behind what you’re putting in your body, the ability to fuel and build your body. Are you up future nutritional scientist? Nutrition…