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  • Chaos inevitably erupts in China each year when millions of people swamp the transport system as they return to their hometowns for Lunar New Year celebrations. This year, authorities thought selling tickets online would make things easier. Instead, it led to long waits and short tempers.
  • John James Audubon's great work, The Birds Of America, goes on sale Friday at Christie's Auction House. The giant pages of the four-volume set are filled with life-size images of Carolina parakeets, Great Blue Herons and other bird species. Only 120 complete sets are believed to exist. The last one sold for more than $11 million.
  • The largest furniture maker in the world is ending the week with a bang. Sweden's IKEA posted a record profit for its 2010, 2011 fiscal year. Net profit was up more than 10 percent to $3.8 billion. The company saw its biggest gains in China, Russia and Poland.
  • Four French troops were killed today by a member of the Afghan National Army. The New York Times says there have been dozens of such attacks since 2007. Also today, six U.S. Marines died in a helicopter crash. The cause of the crash isn't known.
  • Buying sustainable seafood used to require a trip to a fancy fishmonger. But no more. Big-box stores like Target, Walmart, and Costco are switching to sustainably harvested fish in a big way.
  • Veteran Broadway performer Carol Channing has been onstage for seven decades. A new documentary lovingly profiles the still-sharp, still-charming star of Hello, Dolly.
  • Christie's New York today auctioned off a rare set of John James Audubon's Birds of America. It didn't come close to the record $11.5 million paid for another full set of the books in 2010. But it was still a hefty price.
  • Each tear you shed contains an army of enzymatic Pac-Men, ready to chase down and gobble up germs before they infect the sensitive tissues around your eye. Now scientists have found just one molecule of the germ-fighting enzyme is a potent defender.
  • A high-speed video camera is a must for biologist Sheila Patek, of University of Massachusetts at Amherst. Patek studies the lesser-known speed demons of the animal kingdom. A trap-jaw ant can move at over 100mph and a mantis shrimp can accelerate with a g-force of 100,000 (the space shuttle accelerates at 3Gs).
  • Surgeons in Sweden replaced an American patient's cancerous windpipe with a scaffold built from nanofibers and seeded with the patient's stem cells. Lead surgeon Dr. Paolo Macchiarini discusses the procedure and the benefits of tissue-engineered synthetic organs.
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