Agriculture
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- Agriculture
Farms sprout in cities
The farms of the future may be where you would least expect to find them -- in towering skyscrapers in some of the world's largest cities.
- Agriculture
Flush-free fertilizer
Scientists have found a new use for human urine — as a potent crop fertilizer.
- Agriculture
Growing healthier tomato plants
How well tomatoes grow depends on how the plants are mulched and fertilized.
- Genetics
Animal clones: Double trouble?
From agriculture to medicine to law, animal cloning to create genetic twins could change our lives.
- Agriculture
Protecting cows—and people—from a deadly disease
Mad cow disease has appeared in the United States, but scientists say it can be contained easily.
