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How Brains Bounce Back from Physical Damage

For most of the past century the scientific consensus held that the adult human brain did not produce any new neurons. Researchers overturned that theory in the 1990s, but what role new neurons played in the adult human brain remained a mystery. Recent work now sug

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Nanoparticles Enlisted to Impede Alzheimer’s-Inducing Brain Plaque

Nanoparticles have been investigated in recent years as tools for defending the brain against neurotoxic proteins that may contribute to the onset of several different neurodegenerative disorders including Alzheimer's disease . Such proteins, in particular amyloid-beta peptides, are thought to play a role depositing fibrous plaques on the brain that damage synapses (the contact points between neurons) and lead to a decline in cognitive capabilities .

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Microsoft’s Mobile Division Is Immobile

I'm picturing what it must be like at Microsoft HQ in Redmond, Washington these days. First, consider the Xbox divison that has sold more than 10 million Kinect gaming systems since its launch last Fall, making it the fastest selling consumer electronics device ever.

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Video: Paralyzed man stands up after new therapy

A study in the journal "Lancet" documents an experimental therapy that enabled a paralyzed patient to stand up and take steps on his own. Dr. Jon LaPook reports on an exciting approach to treating a devastating problem

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RNA Editing to Create ‘Acquired Characteristics’ Appears Common

By Erika Check Hayden of Nature magazine All science students learn the 'central dogma' of molecular biology: that the sequence of bases encoded in DNA determines the sequence of amino acids that makes up the corresponding proteins. [More]

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Wi-Fi-Connected Lightbulbs, Coming To Smart Homes In 2012

Not only will these new bulbs save you money every month, they'll be tons of fun for amateur lighting designers, and can even increase home security. A Wi-Fi connected lightbulb that'll cost you just an extra buck a pop may sound crazy, but it's a soon-to-be reality that promises to transform your house into a mood-lit, low-power, eco-friendly smart home . That's the suggestion from NXP, a Netherlands-based semiconductor company that invented the Greenchip technology that will be in many Wi-Fi connected lightbulbs on sale by early 2012

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Amazon Sells More E-Books Than Paper Ones

E-books realize their unbound potential faster than expected as pixels push past paper in Amazon sales. Oh, and, hey, look! Kindles for sale! Since April the first, for every 100 print-and-paper books Amazon has sold, it's also sold 105 e-books, according to a fresh Amazon announcement . Kindle e-readers arrived, along with a small but fast-growing digital bookstore, in November 2007--by July 2010, Amazon notes, Kindle book sales had surpassed hardcover book sales, and then six months later beat the paperback books sales rate

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Details of Japan Earthquake Explain Its Extraordinary Strength and Unexpectedness

On March 11, the seafloor 130 kilometers off Japan's eastern coast slipped more than 20 meters beneath the crust that makes up the Pacific plate, pulling the island nation as much as 4.3 meters closer to California and its coast 66 centimeters down. In fact, the first geologic sensors on the seafloor, which happen to lie near the center of the Tohoku-oki quake , as it is now formally called based on the closest regions of the island nation to the quake's epicenter offshore, registered a shift of some 24 meters east-southeast and an uplift of three meters at that point

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