Damage from BP oil spill lingers a year later

The worst maritime oil spill in history began nearly a year ago with a drop in pressure in a poorly drilled well deep in the Gulf of Mexico. It hasn't really ended even though BP's runaway well was eventually capped 87 days ...

Mapping food deserts

(PhysOrg.com) -- Maps are great for showing where things are. They’re also good for showing where things aren’t.

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