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- Sweet Confusion: Does high fructose corn syrup deserve such a bad rap?
- Closed Thinking: Without scientific competition and open debate, much psychology research goes nowhere
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- Fuzzy future: Kids may suffer impaired vision from spending too little time outdoors, studies suggest
- Building with moon rocks: Working on the moon with lunar soil and grit could prove easier, more efficient and less costly than using earthly materials
- Major twister hits Oklahoma: Its speed, which largely determines the damage it causes, is still unknown
Back story: Mining aquifers for farming
View larger version | Underground water supplies in many of the globe's most heavily irrigated regions, highlighted here in shades of purple, are draining faster than they can be replenished. Overall only about 10 percent of the world's agricultural food production depends on groundwater for crop irrigation, but some regions are much more reliant on aquifers for farming.
Credit: Adapted from United Nations Food and Agricultural Organization
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