Then, the hunt begins. Only the fastest runner will go after the chosen animal. He and the animal may run for as long as eight hours. If the hunter "persists/' the deer will finally get tired and fall. Then, he'll slaughter it. | blood flowing into your stomach slows down. Your muscles tighten up ready for action. This is why after consuming a big cup of coffee you feel excited. You can feel your heartbeat increasing. You re ready to do something go somewhere run play fight conquer the else start STUDYING to get ready for the next test Skill C 01 Science W We use microscopes to help us study cells. Because cells are so small we can t see them without magnification um the ability to make them look bigger. The first microscopes were called light microscopes. They were pretty simple devices. They were also simple to use. Scientists first cut the cells or specimens into thin sections. Then they stained the specimens with different colored materials called dyes. The dyes helped them see the specimens more clearly. Unfortunately dyes often killed the cells too. That limited what scientists could find out about the specimen. In recent years we have developed more powerful microscopes. These help us view living specimens. One of these new microscopes is called the phase-contrast microscope. It s made in such a way that part of the light passing through it moves more slowly than the rest of the light. We say this part of the light is out of phase with the rest of the light. This enables scientists to see differences in living specimens as light and shade. Another type of new microscope is the electron microscope. This uses electrons to form images instead of light. Electrons travel in waves similar to light but their wavelengths are over 100 000 times shorter than those of light. Therefore they can give much clearer magnification. Electron microscopes even allow scientists to take pictures of the cells they are studying 02 Campus Life W Hey Frank. If you could be any person in the world who would you be M That s easy. Bill Gates W Why M l ll give you 30 billion reasons. Ha ha. W Ah so it s the money. M Not totally. But the money is nice. I was reading that if you made all of Gates money .
