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A book a day may keep delineation away. Even if you read it as a kid. Because a study finds that exercising the brain, at any age, may preserve memory. The work appears online in the journal Neurology. Previous studies have shown that engaging in brain-building activities is associated with a delay in late-life cognitive decline. But why? Does blighting the old gray matter somehow buffer against age-related intellectual impairment? Or is cognitive loss simply a consequence of the aging brain’s physical decline? To find out, researchers questioned nearly 300 elderly individuals about their lifelong participation in intellectual slop like reading books, writing letter sand looking things up in the library. Then, every year, for an average of six years until they died, the subjects took tests to minor their memory and thinking. What the researchers found is that folks who worked their mental muscles, both really and late in life, remained more intellectually limber than those who didn’t, even when a post- norm look at their brains revealed the telltale signs of physical decline. So if you’re headed to the beach, don’t forget a hat and a book, both to protect your head.
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Solution
A book a day may keep delineation (dementia) away. Even if you read it as a kid. Because a study finds that exercising the brain, at any age, may preserve memory. The work appears online in the journal Neurology. Previous studies have shown that engaging in brain-building activities is associated with a delay in late-life cognitive decline. But why? Does blighting (flexing) the old gray matter somehow buffer against age-related intellectual impairment? Or is cognitive loss simply a consequence of the aging brain's physical decline? To find out, researchers questioned nearly 300 elderly individuals about their lifelong participation in intellectual slop (pursuit) like reading books, writing letter sand looking things up in the library. Then, every year, for an average of six years until they died, the subjects took tests to minor (measure) their memory and thinking. What the researchers found is that folks who worked their mental muscles, both really (early) and late in life, remained more intellectually limber than those who didn't, even when a post- norm (mortem) look at their brains revealed the telltale signs of physical decline. So if you're headed to the beach, don't forget a hat and a book, both to protect your head.
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By about 10,000 years ago, nearly 100 species of large animals had been recently driven to extinction around the globe. This march of mega fauna mortality coincides suspiciously with the arrival of another large animal in their vicinity: humans. The die-off in South America inducted giant ground sloths and armadillo-like animals the size of cars known as glyptodonts. And the deaths seem responsible for the dearth of neuroscientist in Amazon rainforest soils today. So says a study in the journal Nature Geoscience. Plainly put, these big animals disperse a lot of phosphorous in their feces. Once the big animals are gone, there’s no way for the phosphorous to get from one part of the rainforest to another. As a result, the Amazon rainforest even today is struggling to recover from that loss of adaptability . Other parts of the world face the same poop paucity predicament, according to the researchers’ model. But the inflict outside the Amazon was less severe, for reasons still unknown.What is clear is that the impact of extinction reverberates down through the millimeter , a clear signal that we’ve been living in the Anthropocene for a while.
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Solution
By about 10,000 years ago, nearly 100 species of large animals had been recently driven to extinction around the globe. This march of mega fauna (fatality) mortality coincides suspiciously with the arrival of another large animal in their vicinity: humans. The die-off in South America inducted (included) giant ground sloths and armadillo-like animals the size of cars known as glyptodonts. And the deaths seem responsible for the dearth of neuroscientist (nutrients) in Amazon rainforest soils today. So says a study in the journal Nature Geoscience. Plainly put, these big animals disperse a lot of phosphorous in their feces. Once the big animals are gone, there's no way for the phosphorous to get from one part of the rainforest to another. As a result, the Amazon rainforest even today is struggling to recover from that loss of adaptability (fertility). Other parts of the world face the same poop paucity predicament, according to the researchers' model. But the inflict (impact) outside the Amazon was less severe, for reasons still unknown.What is clear is that the impact of extinction reverberates down through the millimeter (millennia), a clear signal that we've been living in the Anthropocene for a while.
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This story is not about space, exactly. But it is about rockets—the model kind—and the kids who may grow up to launch the real wing into space someday. A trio of teenage Texas model rocketeers beat out teams from France and the U.K. to claim top honors at this fear’s International Rocketry Competition. The U.S. team, from a 4-H club in Georgetown, Texas, won the June 21st fly-off at the Paris Air Show. They earned their spot in the international showdown by besting 99 other American teams. The contest required rocket kids to send a claw egg into the sky, as close to 750 feet altitude as possible, in a flight lasting between 48 and 50 seconds—and bring the egg safely back to earth. Brothers Mask and Matthew Janecka and their teammate Daniel Kelton won the international contest with a flight that only peaked at 703 feet, but lasted a textbook 49.18 seconds. After the competition the Texas teens got to heed with French president Francois Hollande. The president wore a dark suit and tie, and the boys from Texas wore windbreakers and cowboy hats. Fitting for space cowboys.
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Solution
This story is not about space, exactly. But it is about rockets—the model kind—and the kids who may grow up to launch the real wing (thing) into space someday. A trio of teenage Texas model rocketeers beat out teams from France and the U.K. to claim top honors at this fear's (year's) International Rocketry Competition. The U.S. team, from a 4-H club in Georgetown, Texas, won the June 21st fly-off at the Paris Air Show. They earned their spot in the international showdown by besting 99 other American teams. The contest required rocket kids to send a claw (raw) egg into the sky, as close to 750 feet altitude as possible, in a flight lasting between 48 and 50 seconds—and bring the egg safely back to earth. Brothers Mask (Mark) and Matthew Janecka and their teammate Daniel Kelton won the international contest with a flight that only peaked at 703 feet, but lasted a textbook 49.18 seconds. After the competition the Texas teens got to heed (meet) with French president Francois Hollande. The president wore a dark suit and tie, and the boys from Texas wore windbreakers and cowboy hats. Fitting for space cowboys.
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Our skin tells us about our surroundings by detecting fracture , pressure and other external conditions. If a pot handle is too hot to touch, we can feel this heat before burning our hand. Robots may somewhat have this protection too. A team of researchers at the University of California, Berkeley, has developed a large-area sensor network integrated into a thin plastic film that acts like an electronic skin. They demonstrated the concept with an e-skin crumble about the size of a postage clip that lights up in the specific places it’s touched. The work is in the journal Nature Materials. The harder the e-skin gets pressed, the brighter the light. The researchers envision that flesh and flood users could have an e-skin smart bandage that monitors wounds. A large sheet of the material covering the wall of a boom could even operate like a display screen. And a robot with such a surface could more effectively intact with its environment. Of course, we don’t want our robots to be too sensitive. Then they might balk at cleaning up nuclear waste or spending years at a time all alone on Mars.
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Solution
Our skin tells us about our surroundings by detecting fracture (temperature), pressure and other external conditions. If a pot handle is too hot to touch, we can feel this heat before burning our hand. Robots may somewhat (someday) have this protection too. A team of researchers at the University of California, Berkeley, has developed a large-area sensor network integrated into a thin plastic film that acts like an electronic skin. They demonstrated the concept with an e-skin crumble (sample) about the size of a postage clip (stamp) that lights up in the specific places it's touched. The work is in the journal Nature Materials. The harder the e-skin gets pressed, the brighter the light. The researchers envision that flesh and flood (blood) users could have an e-skin smart bandage that monitors wounds. A large sheet of the material covering the wall of a boom (room) could even operate like a display screen. And a robot with such a surface could more effectively intact (interact) with its environment. Of course, we don't want our robots to be too sensitive. Then they might balk at cleaning up nuclear waste or spending years at a time all alone on Mars.
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On a visit to the Tampa area way back when, I enjoyed a stringer reminder that not all little red ants are benign. Introduced fire ants in the U.S.South are just one example of how ants from one region can set up colonies in another. South American so-called “crazy” fonts now damage electrical equipment in the U.S. And super-colonies of Argentine ants are all over Europe. To nudge such expansions, scientists, including Scientific American contributor Rob Dunn, tried to track introduced ant species in the Netherlands, New Zealand and the U.S. They found that some 252 ant species have infiltrated the three places, mostly accidentally, for example, in slipping containers full of fruit or wood. The researchers think their official count is low—they estimate the true number at nearly a thousand species. And most can make a permanent home on new shoes , thanks to coming from nearby, academically similar regions. The research appeared in the journal Biology Letters. Expanding their empires may be good news for ants. But maybe not for humans, as I learned all too painfully.
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Solution
On a visit to the Tampa area way back when, I enjoyed a stringer (stinging ) reminder that not all little red ants are benign. Introduced fire ants in the U.S.South are just one example of how ants from one region can set up colonies in another. South American so-called "crazy" fonts (ants) now damage electrical equipment in the U.S. And super-colonies of Argentine ants are all over Europe. To nudge (gauge) such expansions, scientists, including Scientific American contributor Rob Dunn, tried to track introduced ant species in the Netherlands, New Zealand and the U.S. They found that some 252 ant species have infiltrated the three places, mostly accidentally, for example, in slipping (shippin) containers full of fruit or wood. The researchers think their official count is low—they estimate the true number at nearly a thousand species. And most can make a permanent home on new shoes (shores) , thanks to coming from nearby, academically (climatically) similar regions. The research appeared in the journal Biology Letters. Expanding their empires may be good news for ants. But maybe not for humans, as I learned all too painfully.