281. Stanford bioengineers create rewritable digital data storage in dna
July 06, 2013
Sometimes, remembering and forgetting are hard to do. "It took usthree years and 750 tries to make it work, but we finally did it,"said Jerome Bonnet, PhD, of his latest research, a method forrepeatedly encoding, storing and erasing digital data within theDNA of living cells. Bonnet, a post...
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282. Engineers use plasmonics to create an invisible photodetector
July 06, 2013
It may not be intuitive, but a coating of reflective metal canactually make something less visible, engineers at Stanford andUPenn have shown. They have created an invisible, light-detectingdevice that can "see without being seen." At the heart of the device are silicon nanowires covered by a th...
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283. Not a one-way street: evolution shapes environment of connecticutlakes
July 06, 2013
Yale University researchers found a prime example of thisevolutionary feedback loop in a few lakes in Connecticut, wheredams built 300 years ago in Colonial times trapped a fish calledthe alewife. In a study published May 23 in the journal Proceedings of the Royal Academy B , the Yale team descri...
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284. Human-like spine morphology found in aquatic eel fossil
July 05, 2013
Tarrasius problematicus was an eel-like fish that lived in shallow bodies of water in whatis now Scotland, in the Carboniferous period between 359 millionand 318 million years ago. Like many fish, Tarrasius was thought to have a vertebral column divided simply into bodyand tail segments. But in ...
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285. Facebook and physicians: a prescription for trouble
July 05, 2013
When Matt Goldstein entered medical school at Stanford, hisinstructors warned him about keeping Facebook or Twitter pages,saying that social media activity could lead to violations of HIPAApatient privacy rules. As he prepares to begin his residency, Goldstein has once againreceived the now famil...
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286. Apple design chief ive working on most important project so far
July 05, 2013
Apple is currently working on its most important and best work so far, Jonathan Ive, the company s senior vice president ofindustrial design, said in a rare interview for UK daily The Telegraph . Ive was in his home country this week to receive his knighthoodfrom the queen, who has both an iPod...
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287. Us: application of fsis sampling protocol for testing beef trim fore. coli o157:h7
July 04, 2013
Posted: May 22nd, 2012 - 5:23pm Source: USDA Executive Summary On November 12, 2009, the Chairwoman of the House AppropriationsSubcommittee on Agriculture, Rural Development, Food and DrugAdministration, and Related Agencies wrote to the United StatesDepartment of Agriculture"s (USDA) Office o...
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288. News analysis: al-qaida in yemen refuses to admit defeat despitedevastating blows
July 04, 2013
SANAA, May 22 -- Yemen has expanded the military operations againstal-Qaida militants in the south in the past two weeks, killinghundreds of them, including senior leaders, and retaking areas inAbyan province. However, the terrorist group launched a deadlysuicide bombing attack on the eve of Y...
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289. Spacex launches falcon 9/dragon on historic mission to delivercargo to international space station
July 03, 2013
"We're now back on the brink of a new future, a future thatembraces the innovation the private sector brings to thetable," said NASA Administrator Charles Bolden. "Thesignificance of this day cannot be overstated. While there is a lotof work ahead to successfully complete this mission, we are of...
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290. Unsafe at any speed: even for driving pros, distractions increasecrash risk
July 03, 2013
They're just a few activities -- among many -- that divert drivers'attention from the road and escalate their risk of having anaccident. And, an accident can happen in an instant, says driver distractionresearcher John Lee, a professor of industrial and systemsengineering at the University of Wi...
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Author: 123wert sdfsf
