But researchers this year came up with a new method that makes flexible, realistic ears out of real cells. Those cells come from rats and cows, and they form a collagen gel that can take the shape of any mold. When placed in a mold of a human ear—a mold assembled using a 3-D printer—the gel forms an ear in less than an hour. The artificial ear then just needs a few days growing in nutrients before it's ready to be implanted in a subject.
Yang Yansui, director of the School of Public Policy And Management at Tsinghua University, said the four-trillion-pension balance was mostly in personal accounts, while the pay-as-you-go pension system was greatly challenged by dependency ratio.
Company: Everyone Counts
In 2013, the yen fell 21% against the U.S. dollar, helping it to attract 10 million overseas tourists--including, despite Sino-Japanese border disputes in the East China Sea, many wealthy travelers from China.
The letter mysteriously arrived at the California University of Pennsylvania, in the north-eastern state of Pennsylvania, 10 days ago. Written to Mr Moore, the two-page letter was postmarked 20 February 1958 and signed "love forever Vonnie".
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