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>> On My Mind: James D. Watson
Nobel laureate and co-discoverer of the DNA double helix writes about diminishing capabilities to form new memories as one ages and the medical challenge to "slow down the rate at which one loses the ability to generate new adult nerve cells".

>> Print me a heart and a set of arteries
Biophysicist Gabor Forgacs has developed a "bioprinting" technique that uses droplets of "bioink" containing clumps of cells which can be printed onto "biopaper" to form new blood vessels. Forgacs claims: "We can print any desired structure, in principle".

>> More medical schools requiring PDAs
The title says it all. More US medical schools require students to have PDAs to help students save time, provide better care and reduce errors. Well, we really have a long, long way to go.