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NOVA Video on Hydrogen Fuel Cars

Watch this Nova video documentary about the technology of using hydrogen fuel cell in powering cars. The video is hosted by Robert Krulwich and starring Tom and Ray Magliozzi, the CarTalk brothers who does the weekly Cartalk radio show.

The video is 14 minutes long. The promise of fuel cells is very appealing as it makes cars emit nothing except water as a by product. However, the difficulty is getting enough hydrogen and storing it in the fuel tank. You can learn more about how fuel cells work in this Clickable Car.

Dr. Lustig Video Explains the Dangers of Sugar

Explains the dangers of sugar in particular the fructose. Common sugar contains 50% fructose. High fructose corn syrup contains even more at 55% fructose. That is why high fructose corn syrup is so bad for you.

He explains in biochemical details as to how sugar turns into fat. He actually will say that sugar is toxic. Because he explains in such scientific rigor, after watching the video, you will most likely become convinced of the dangers of sugar.

Which came first? Chicken or Egg?

The question of which came first, the chicken or the egg, results in a paradoxical answer. The answer, regardless of which one it is, will lead to another question that contradicts that answer. If you say chicken came first, then the question is where is the egg from which the chicken came from. If you say egg came first, then the question is where is the chicken that laid the egg?

So far the best answer I found was from the ASAPScience video …