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Inventing a Second Life for the Spent Electric Car Battery

Researchers acknowledge that any rechargeable battery from an electric car will gradually lose its capacity to store energy a time. That's why a number of projects and new ventures (by Nissan and GM) are already under way to explore second-life applications for lithium-ion batteries

College Student Shocked by the Food the Cafeteria Threw Away Decides to Do Something

Ben Simon, a senior at the University of Maryland happened to be in the cafeteria around closing time and saw the amount of food being dumped in the trash. He asked if he and his friends could donate the leftovers, and they said, Sure. That was his first food delivery, in September 2011. Thus began the Food Recovery Network, which has diverted 271,000 meals to churches and shelters that feed hungry people.