July 13th, 2013
12:49 AM ET

Weekly quiz: Test your knowledge

What item of clothing did Osama bin Laden reportedly wear to obscure his appearance from satellite cameras? Who has been named Egypt's interim president?

Take our weekly quiz to find out.

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soundoff (6 Responses)
  1. JAL

    What effects do spherical harmonics (in gravitational and quantum masses) have on humans observing "life".

    July 14, 2013 at 7:36 am | Reply
    • JAL

      As a hypothesis, I would state that our micro-sybiants reside in our GI tracts, our direct macro-symbiants reside in the Sun and our resident macro-symbiants in the Sun have a sybiant relationship with a resident in the SagA black hole.

      July 14, 2013 at 7:47 am | Reply
      • JAL

        This is the best way to approach String Theory.

        July 14, 2013 at 7:50 am |
  2. patod

    why hasn't GPS been on CNN the last two weeks - i can understand why people turn that channel off - too much talking and not a lot said. if GPS is not on again this sunday, i am going to call someone!

    July 15, 2013 at 11:00 am | Reply
  3. odim kelechi onu

    we cant cheat on nature..scientist should investigate where man lives after death

    July 15, 2013 at 4:26 pm | Reply
  4. Name*Francis Alphones

    Feel Good, feel healthy. Take a quick tour.

    July 17, 2013 at 10:56 am | Reply

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