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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 .

By Meryl Dakin VICKSBURG, Miss., May 19 (Reuters) - The Mississippi River [More]

By Ewen Callaway of Nature magazine As species go, humans aren't renowned for their sense of smell. [More]

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]

WASHINGTON, May 19 (Reuters) - A blog post by the U.S.Centers for Disease Control and Prevention that mentions a [More]

As deadly white-nose syndrome moves toward Wisconsin's borders, citizens are called upon to help investigate the threat through the collection of data about these nocturnal insectivores [More]

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

%excerpt% The rest is here: Don’t Fear Graduation Handshakes

Remember mad cow disease? In the 1980s, cattle in the U.K.

I was struck today by the juxtaposition of two recent articles here at ScientificAmerican.com . In “ Thin Body of Evidence ,” John Horgan expresses his skepticism about journalist Gary Taubes’s claims that carbohydrates, not fat, are the cause of obesity, heart disease and other health problems faced by many Americans

Maybe you've seen the ads--on a billboard, on the subway, on the side of an RV. Maybe you've encountered the believers in person

The news about endangered species doesn't slow down. Here, we update some Extinction Countdown stories covered in recent weeks: A plan to save bats [More]

* Probe blames Upper Big Branch blast on safety failings * Says accident could have been prevented by Massey [More]

By Timothy Gardner WASHINGTON (Reuters) - The Senate blocked a move by Republicans to speed domestic offshore oil and natural gas drilling on Wednesday, a fresh sign of congressional gridlock on energy issues even as drivers endure gasoline prices near $4 a gallon. [More]

By Olivia Rondonuwu JAKARTA (Reuters) - Indonesia's President Susilo Bambang Yudhoyono inked into law on Thursday a two-year moratorium on new permits to clear primary forests, part of a $1 billion deal with Norway that could spur projects to cut emissions and slow expansion of plantations. [More]