Olympic skaters Zingas and Kolesnik lead US ice dance sweep at Four Continents

Olympic ice dancers Emilea Zingas and Vadym Kolesnik have won the Four Continents Figure Skating Championships in Beijing.
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An ocean the size of the Arctic once covered half of Mars, new images hint

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...