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Painted Maya walls reveal calendar writing
The New York Times    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Hacking through jungle growth and clearing away rubble, archaeologists made their way to excavate a house buried at the edge of ruins of a large Maya city in the remote Peten lowlands of northeastern Guatemala. It turned out to have been the studio for royal scribes with a taste for art and a devotion to the heavens as the source of calculations for the ancient culture's elaborate calendars. More

Huge asteroid Vesta is actually an ancient protoplanet
msnbc    Share    Share on FacebookTwitterShare on LinkedinE-mail article
New observations from a NASA spacecraft show that the huge asteroid Vesta is a battered protoplanet left over from the solar system's early days, with a unique mix of characteristics unknown from any other space rock. Scientists had thought that Vesta, the second-largest body in the main asteroid belt between Mars and Jupiter, probably started down a planet-forming path shortly after the solar system's birth. More

Erno Rubik explains the success of his cube
Popular Mechanics    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Back in 1974, Hungarian inventor and architect Erno Rubik designed the first Rubik's Cube. Now he's helping to compile a 40th anniversary museum exhibit that attempts to explain how his creation became a worldwide sensation. More

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Five awesome ways they bent physics for 'The Avengers'
msnbc    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The fiction world has long been full of cool science and technology that eventually sneaks its way into real life. Flip phones, for example, were dreamed up on "Star Trek" long before they made it to market. Comic books are no different. "The Avengers," in which Marvel's greatest superheroes join forces to conquer world-threatening evil, get their turn on the big screen. More

Brain uses different frequencies to avoid mental traffic jams
LiveScience    Share    Share on FacebookTwitterShare on LinkedinE-mail article
There's a lot going on inside the average brain. And to help manage all the sensory input and though processes, signals, brain networks communicate at different frequencies to avoid traffic jams at busy intersections, a new study suggests. More

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Secrets of the first practical artificial leaf
ScienceDaily    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A detailed description of development of the first practical artificial leaf — a milestone in the drive for sustainable energy that mimics the process, photosynthesis, that green plants use to convert water and sunlight into energy — appears in the ACS journal Accounts of Chemical Research. The article notes that unlike earlier devices, which used costly ingredients, the new device is made from inexpensive materials and employs low-cost engineering and manufacturing processes. More

60 percent of people can't go 10 minutes without lying
Mental Floss    Share    Share on FacebookTwitterShare on LinkedinE-mail article
There are two things you can say for sure about human beings: our opposable thumbs make us great at using tools, and we are all big, fat liars. By age four, 90 percent of children have grasped the concept of lying, and it just gets worse from there. More

Doggy daydreams: brain scans reveal Fido's thoughts
LiveScience via Fox News    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Fido's expressive face, including those longing puppy-dog eyes, may lead owners to wonder what exactly is going on in that doggy's head. Scientists decided to find out, using brain scans to explore the minds of our canine friends. The researchers, who detailed their findings May 2 in the open-access journal PLoS ONE, were interested in understanding the human-dog relationship from the four-legged perspective. More

Robot reveals the inner workings of brain cells: Automated way to record electrical activity inside neurons in the living brain
ScienceDaily    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Gaining access to the inner workings of a neuron in the living brain offers a wealth of useful information: its patterns of electrical activity, its shape, even a profile of which genes are turned on at a given moment. However, achieving this entry is such a painstaking task that it is considered an art form; it is so difficult to learn that only a small number of labs in the world practice it. More

Runner's high hardwired in people — and dogs
National Geographic    Share    Share on FacebookTwitterShare on LinkedinE-mail article
People are wired to run, according to a new study that looked at the roots of the pleasurable sensation known as runner's high. Experienced during moderate to intense aerobic exercise, runner's high occurs when natural chemicals called endocannabinoids activate the part of the brain associated with "feeling good," said study co-author Greg Gerdeman. More

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