From Al Jazeera, a video on a US student and his efforts to bypass Egypt's block on the internet access. If you go to Al Jazeera's youtube channel right now there is live coverage of battles between pro and anti Mubarak groups.
Better sleep, improved health, happier people: how ‘cool roofs’ could help
millions avoid deadly heat
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A project to measure how reflective paint reduces indoor temperatures is
delivering tangible benefits across Africa
The brick house Sylvia shares in a We...
11 hours ago
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