How Crime Scene Investigation Works - Learn what really goes on when a CSI "processes a crime scene" and get a real-world view of crime scene investigation from a primary scene responder with the Colorado Bureau of Investigation.
How Luminol Works - You know on crime shows when they spray some stuff on a "clean" carpet and suddenly -- blood stains! This crime scene tool actually exists. Find out how luminol reveals the blood.
How Electricity Works - Electricity is one of those things that completely surround us. For most of us, modern life would be impossible without it. So what is this mysterious stuff? Find out all about electricity.
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One of the most interesting things about space travel is the drama. Human beings place themselves into amazing vehicles and travel into a completely hostile environment that is almost beyond imagination, and then describe their experiences for us... more
