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So what's the big news with such a little bean? That's exactly what the team explores as they unravel the history and mystery of this little legume. In revealing the historic roots of the soybean, the ITO kids uncover the secret within the plant's roots of converting atmospheric nitrogen into nitrogen in the soil - which naturally fertilizes the plants. They also explore how this nitrogen link benefits all kinds of creatures in our food chain - including humans. But perhaps one of the more interesting aspects of this little bean is how it's used in all kinds of industries - from food production to making bio-fuels and plastics.