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misconceptions

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Mojave rattlesnake
Another photo of yesterday's rattlesnake. A rattlesnake's venom is primarily used as a safe way to kill rodents and other prey. The snake bites its prey, and then waits for it to die before eating it. How can the rattlesnake eat the prey without being poisoned?

Melting Icebergs

This week's experiment comes from a report I recently heard on National Public Radio. Unfortunately, I was driving and could not write down the fellow's name, so I could give him proper credit. He was talking about the facts and fictions of global warming. One point that he mentioned was one that I had heard many times and had never thought all the way through. What would happen if the global temperature rose enough for the polar ice caps to melt? All of that extra water would cause worldwide flooding, right? Lets investigate. You will need:

Is That Really a Diamond?

It is amazing how many things people commonly think of as scientific fact which really are false. For example, vultures do not circle over a dying animal. Raindrops are round, not teardrop shaped. One of my favorite misconceptions is the idea that you can identify a diamond because it will cut glass. For this experiment you will need:

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