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Shots - Health News
5:53 pm
Wed February 20, 2013

Print Me An Ear: 3-D Printing Tackles Human Cartilage

Larry Bonassar shows off an ear that he and his colleagues at Cornell University built out of living cartilage cells with the help of a 3-D printer.
Lindsay France Cornell University Photography

Originally published on Fri February 22, 2013 7:34 am

An ear, unsurprisingly, is difficult to make from scratch. Ear cartilage is uniquely flexible and strong and has been impossible for scientists to reproduce with synthetic prostheses.

If a child is born without one, doctors typically carve a replacement ear out of rib cartilage, but it lacks the wonderfully firm yet springy qualities of the original ear. And it often doesn't look so good.

So why not print one?

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The Two-Way
5:46 pm
Wed February 20, 2013

Cool Photo: A Black Spot, The Size Of Six Earths, Appears On The Sun

The bottom two black spots on the sun, known as sunspots, appeared quickly over the course of Feb. 19-20, 2013.
NASA/SDO/AIA/HMI/Goddard Space Flight Center

Originally published on Wed February 20, 2013 9:42 pm

Over the course of two days in February, scientists watched something amazing happening on the surface of our sun: A giant black spot grew to over six Earths in diameter.

NASA's Goddard Space Flight Center released a picture of the sun, which shows the spots in deep black.

NASA explains that it's hard to know the full extent of the spots, because it's on a sphere "not a flat disk." NASA adds:

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The Salt
5:15 pm
Wed February 20, 2013

Smaller But Better? Organic Tomatoes May Pack More Nutritional Punch

Originally published on Thu February 21, 2013 2:05 pm

A new study published in the journal PLOS ONE finds that tomatoes grown on organic farms were about 40 percent smaller than conventionally grown tomatoes. The upside? They pack more of a nutritional punch. The researchers found the organic tomatoes had significantly higher levels of vitamin C, sugar and lycopene.

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It's All Politics
5:01 pm
Wed February 20, 2013

Republicans Make 'Benghazi' A Frequent Refrain

Sens. John McCain, R-Ariz., and Lindsey Graham, R-S.C., confer at the start of a Senate Armed Services Committee hearing last week on the appointments of military leaders. McCain and Graham have been among the Republicans pushing the Obama administration for answers about the Benghazi attack.
J. Scott Applewhite AP

Originally published on Thu February 21, 2013 6:02 pm

The White House hopes the Senate will confirm Chuck Hagel next week as defense secretary.

Republicans delayed the vote for the same reason they scuttled Susan Rice's bid to be secretary of state: Benghazi.

The attack on the U.S. Consulate in Benghazi, Libya, last September killed four Americans, including the ambassador to Libya. And Benghazi has since become a rallying cry for Republicans.

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Business
4:41 pm
Wed February 20, 2013

For The Publicly Traded, Going Private Can Be Risky Business

Dell's founder and another tech company have announced plans to take the computer giant private. While companies can benefit from withdrawing from the stock market, there are potential pitfalls as well.
Paul Sakuma AP

Originally published on Wed February 20, 2013 6:11 pm

It's been a busy month for corporate America.

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