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9 Healthy Diet In order to stay healthy it is important to have a balanced diet in other words， food that contains something from each of the three main groups of food． These groups are protein， carbohydrate and fat． Proteins are very importan

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Birds and sea turtles can migrate thousands of miles, by reading the Earth's magnetic cues. But we too might have magnetic sensing abilitiesin our eyes. So say

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