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The two largest pieces of the Universe that we know the least about, yet nothing less than the ultimate fate of the Universe will be determined by them. (Illustration: NASA/CXC/M.Weiss)

from PCMAG

10 Excellent, Free Online Education Resources

Online Resources to check out: 1. Code Year 2. W3C Schools 3. TED 4. MIT 5. iTunes U 6. Khan Academy 7. Peer 2 Peer University 8. University of the People 9. Academic Earth 10. CK-12

from Mail Online

Shedding a light on the psyche of war: Zippo lighters from U.S. troops fighting in Vietnam give a unique insight into life under fire

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