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An issue with the propulsion motor on Caribbean Princess will likely impact the remainder of the ship's current itinerary, according to a statement from Princess Cruises.

TripIt continues to lead the pack in organizing travel itineraries. By pulling all of your plans together in one place and making them accessible across all your devices, TripIt is a complete solution. Purchased by popular corporate travel site Concur in January for $120 million, it only continues to improve.

"Green" computer code would be increase energy efficiency in the machines running such software. A computer scientist from Binghamton University has recently scored about a half million in funding--$450,000 from the National Science Foundation, and $50,000 from Google--that will help support his interested in "green" software development.

Bear-size beavers, mammoths, horses, camels and saber-toothed cats used to roam North America, but by 11,000 years ago most such large mammals had died off. To this day, experts debate what caused this late Pleistocene extinction: climate change, overhunting by humans, disease--or something else? Eric Scott, curator of paleontology at the San Bernardino County Museum in Redlands, Calif., suggests it was something else: namely, the immigration of bison from Eurasia