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Biology: Free Stanford Course by Robert Sapolsky

Biology: Free Stanford Course by Robert Sapolsky
First thing you need to know: Before doing anything else, you should simply click “play” and start watching the video above. It doesn’t take long for Robert Sapolsky, one of Stanford’s finest teachers, to pull you right into his course. Better to watch him than listen to me. Second thing to know: Sapolsky is a MacArthur Fellow, a world renowned neurobiologist, and an adept science writer best known for his book, Why Zebras Don’t Get Ulcers. Much of his research focuses on the interplay between the mind and body (how biology affects the mind, and the mind, the body), and that relationship lies at the heart of this course called “Human Behavioral Biology.” Now the third: Human Behavioral Biology is available on YouTube and iTunes for free. Related Content: Robert Sapolsky Breaks Down Depression Dopamine Jackpot!

http://www.openculture.com/2011/03/freesapolskycourse.html

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Camoflauge in Animals Mimicry Some animals and plants look like other things -- they mimic them. Mimicry is another type of deceptive coloration. It can protect the mimic from predators or hide the mimic from prey. 100 Incredible Lectures from the World’s Top Scientists Posted on Thursday June 18, 2009 by Staff Writers By Sarah Russel Unless you’re enrolled at one of the best online colleges or are an elite member of the science and engineering inner circle, you’re probably left out of most of the exciting research explored by the world’s greatest scientists. Guns Reduce Crime For The Motion Stephen Halbrook Represents the NRA in suits against the DC and Chicago handgun bans Halbrook's most recent book is The Founders' Second Amendment. Portable 12V Air Conditioner This project is my dad's $10 solution to a $500 solution to a $25,000 problem. As I have previously mentioned around the site, my Dad owns an electric 1979 Ford Courier pickup, and is cool enough to let me drive it around. We absolutely love it, and wouldn't trade it for a Tesla Roadster, but one of the few problems with electric cars is heating and cooling. In a gas car, heat is provided by the 80% of the gas that is wasted as heat, and air conditioning is provided by a crankshaft-driven compressor system. Many EVs use hair dryer elements and fans for heat, and some, ours included, feature a powerful gasoline-burning heater.

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Monophyletic, Paraphyletic, Polyphyletic defined 17th July 2003 Question What do terms like monophyletic, paraphyletic and polyphyletic mean? Answer These terms are used to describe groupings of organisms, and indicate the extent to which they can be considered as ``natural groups''. They are best explained using examples, so consider the following family-tree diagram: 100 Places to Find Free Webinars and Tutorials Many people want to learn things like how to fix their own sink or speak another language but just don't know how to find the information they need or realize that free educational materials are out there to help them learn. Lucky for them, the Internet is full of tutorials and webinars that can be a great help in learning just about anything, whether practical or academic. We've compiled a list here of 100 places you can go to find all kinds of free educational information to get you started. General Find all kinds of tutorials and webinars on these sites. Find Tutorials.com: Find tutorials on hundreds of topics ranging from crafts and hobbies to education on this comprehensive tutorial collection.

The Language Learner’s NOT To Do List To do lists seem like a good idea in theory, but they have one major disadvantage: there is an infinite number of potential to do items. With this in mind, Timothy Ferriss, best-selling author of The 4-Hour Workweek (and a speaker of 6 languages), recommends “not to do lists” instead. Since they isolate a finite set of behaviors that are getting between you and your goals, they are far more effective than traditional to do lists. This tool applies perfectly to language learning, where most learners waste a lot of time on ineffective methods and bad materials.

Lackadaisy Expressions Boy, I didn't know what I was getting myself into when I started this. I've had requests for some sort of expressions tutorial dating back a while now, so I figured, "Sure! I can explain expression drawing...and it'll be way better than all those tutorials out there that are nothing but charts of generic expressions. Yeah! Just give me a day or two to whip something up..." Epigenetics One example of an epigenetic change in eukaryotic biology is the process of cellular differentiation. During morphogenesis, totipotent stem cells become the various pluripotent cell lines of the embryo, which in turn become fully differentiated cells. In other words, as a single fertilized egg cell – the zygote – continues to divide, the resulting daughter cells change into all the different cell types in an organism, including neurons, muscle cells, epithelium, endothelium of blood vessels, etc., by activating some genes while inhibiting the expression of others.[5] Historical usage of "epigenetics"[edit] The term "epigenetics" has also been used in developmental psychology to describe psychological development as the result of an ongoing, bi-directional interchange between heredity and the environment.[13] Interactivist ideas of development have been discussed in various forms and under various names throughout the 19th and 20th centuries.

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