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For cash-strapped vacationers, time off this years means exploring ... locally. A report from Europe, Japan, and the US on the return of the road trip, backpacking with a burro, and growing beets.
From kindergarten to college, school cafeterias become ecofriendly by banishing trays, growing veggies, and composting waste.
Both McCain and Obama cite the need for selflessness and service.
Worldwide computer grids mean even small-timers can contribute to ‘big science.’
Mercury's magnetic mixture, befriending new websites, how to cook invasive species
Earthquake experts say the collapsed schools may be a sign of poor construction despite adequate building codes.
A US judge's move to close the dissident site Wikileaks only showed the limits of enforcing national laws in cyberspace.