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  2. Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time. ... Science & Tech. Sports. Weather. 24/7 Help.

  3. String girdling Earth - Wikipedia

    en.wikipedia.org/wiki/String_girdling_Earth

    String girdling Earth is a mathematical puzzle with a counterintuitive solution. In a version of this puzzle, string is tightly wrapped around the equator of a perfectly spherical Earth. If the string should be raised 1 metre (3 ft 3 in) off the ground, all the way along the equator, how much longer would the string be?

  4. Browse and play any of the 40+ online puzzle games for free against the AI or against your friends. Enjoy challenging puzzle games such as Just Words, Letter Garden, Bubble Mouse Blast, Codeword ...

  5. Outline of Earth sciences - Wikipedia

    en.wikipedia.org/wiki/Outline_of_Earth_sciences

    It is also known as geoscience, the geosciences or the Earthquake sciences, and is arguably a special case in planetary science, the Earth being the only known life-bearing planet. Earth science is a branch of the physical sciences which is a part of the natural sciences. It in turn has many branches.

  6. Portal:Earth sciences - Wikipedia

    en.wikipedia.org/wiki/Portal:Earth_sciences

    Earth science or geoscience includes all fields of natural science related to the planet Earth. This is a branch of science dealing with the physical, chemical, and biological complex constitutions and synergistic linkages of Earth's four spheres: the biosphere , hydrosphere / cryosphere , atmosphere , and geosphere (or lithosphere ).

  7. The best gifts for an older couple, from weddings to ...

    www.aol.com/lifestyle/best-gifts-for-older...

    Turn their favorite photo into a fun puzzle for the entire family to enjoy! Choose from 25 pieces, 252 pieces, or up to 500 pieces in either a vertical or horizontal orientation, depending on your ...