Indian top actress Deepika Padukone Sexy Maxim Images
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Deepika Padukone Sexy Maxim Images
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Indian Masala Tamil actress Monika sexy Latest Photos
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Indian Masala Tamil actress Monika sexy Latest Photos from Ah Ah Eee Eee Movie Launch



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Indian masala actress Mamtha sexy hottest panty show photos
Indian masala actress Mamtha sexy hottest panty show photos

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South Masala Tamil Actress Damini Wallpapers
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Cooking and Cognition: How Humans Got So Smart
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After two tremendous growth spurts — one in size, followed by an even more important one in cognitive ability — the human brain is now a lot like a teenage boy.
It consumes huge amounts of calories, is rather temperamental and, when harnessed just right, exhibits incredible prowess. The brain's roaring metabolism, possibly stimulated by early man's invention of cooking, may be the main factor behind our most critical cognitive leap, new research suggests.
About 2 million years ago, the human brain rapidly increased its mass until it was double the size of other primate brains.
"This happened because we started to eat better food, like eating more meat," said researcher Philipp Khaitovich of the Partner Institute for Computational Biology in Shanghai.
But the increase in size, Khaitovich continued, "did not make humans as smart as they are today."
The early shift
For a long time, we were pretty dumb. Humans did little but make "the same very boring stone tools for almost 2 million years," he said. Then, only about 150,000 years ago, a different type of spurt happened — our big brains suddenly got smart. We started innovating. We tried different materials, such as bone, and invented many new tools, including needles for beadwork. Responding to, presumably, our first abstract thoughts, we started creating art and maybe even religion.
To understand what caused the cognitive spurt, Khaitovich and colleagues examined chemical brain processes known to have changed in the past 200,000 years. Comparing apes and humans, they found the most robust differences were for processes involved in energy metabolism.
The finding suggests that increased access to calories spurred our cognitive advances, said Khaitovich, carefully adding that definitive claims of causation are premature.
The research is detailed in the August 2008 issue of Genome Biology.
The extra calories may not have come from more food, but rather from the emergence of pre-historic "Iron Chefs;" the first hearths also arose about 200,000 years ago.
In most animals, the gut needs a lot of energy to grind out nourishment from food sources. But cooking, by breaking down fibers and making nutrients more readily available, is a way of processing food outside the body. Eating (mostly) cooked meals would have lessened the energy needs of our digestion systems, Khaitovich explained, thereby freeing up calories for our brains.
Instead of growing even larger (which would have made birth even more problematic), the human brain most likely used the additional calories to grease the wheels of its internal functioning.
Digestion question
Today, humans have relatively small digestive systems and burn 20-25 percent of their calories running their brains. For comparison, other vertebrate brains use as little as 2 percent of the animal's caloric intake.
Does this mean renewing our subscriptions to Bon Appetit will make our brains more efficient? No, but we probably should avoid diving into the raw food movement. Devoted followers end up, said Khaitovich, "with very severe health problems."
Scientists wonder if our cognitive spurt happened too fast. Some of our most common mental health problems, ranging from depression and bipolar disorder to autism and schizophrenia, may be by-products of the metabolic changes that happened in an evolutionary "blink of an eye," Khaitovich said.
While other theories for the brain's cognitive spurt have not been ruled out (one involves the introduction of fish to the human diet), the finding sheds light on what made us, as Khaitovich put it, "so strange compared to other animals."
It consumes huge amounts of calories, is rather temperamental and, when harnessed just right, exhibits incredible prowess. The brain's roaring metabolism, possibly stimulated by early man's invention of cooking, may be the main factor behind our most critical cognitive leap, new research suggests.
About 2 million years ago, the human brain rapidly increased its mass until it was double the size of other primate brains.
"This happened because we started to eat better food, like eating more meat," said researcher Philipp Khaitovich of the Partner Institute for Computational Biology in Shanghai.
But the increase in size, Khaitovich continued, "did not make humans as smart as they are today."
The early shift
For a long time, we were pretty dumb. Humans did little but make "the same very boring stone tools for almost 2 million years," he said. Then, only about 150,000 years ago, a different type of spurt happened — our big brains suddenly got smart. We started innovating. We tried different materials, such as bone, and invented many new tools, including needles for beadwork. Responding to, presumably, our first abstract thoughts, we started creating art and maybe even religion.
To understand what caused the cognitive spurt, Khaitovich and colleagues examined chemical brain processes known to have changed in the past 200,000 years. Comparing apes and humans, they found the most robust differences were for processes involved in energy metabolism.
The finding suggests that increased access to calories spurred our cognitive advances, said Khaitovich, carefully adding that definitive claims of causation are premature.
The research is detailed in the August 2008 issue of Genome Biology.
The extra calories may not have come from more food, but rather from the emergence of pre-historic "Iron Chefs;" the first hearths also arose about 200,000 years ago.
In most animals, the gut needs a lot of energy to grind out nourishment from food sources. But cooking, by breaking down fibers and making nutrients more readily available, is a way of processing food outside the body. Eating (mostly) cooked meals would have lessened the energy needs of our digestion systems, Khaitovich explained, thereby freeing up calories for our brains.
Instead of growing even larger (which would have made birth even more problematic), the human brain most likely used the additional calories to grease the wheels of its internal functioning.
Digestion question
Today, humans have relatively small digestive systems and burn 20-25 percent of their calories running their brains. For comparison, other vertebrate brains use as little as 2 percent of the animal's caloric intake.
Does this mean renewing our subscriptions to Bon Appetit will make our brains more efficient? No, but we probably should avoid diving into the raw food movement. Devoted followers end up, said Khaitovich, "with very severe health problems."
Scientists wonder if our cognitive spurt happened too fast. Some of our most common mental health problems, ranging from depression and bipolar disorder to autism and schizophrenia, may be by-products of the metabolic changes that happened in an evolutionary "blink of an eye," Khaitovich said.
While other theories for the brain's cognitive spurt have not been ruled out (one involves the introduction of fish to the human diet), the finding sheds light on what made us, as Khaitovich put it, "so strange compared to other animals."
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Hansika motwani in kranti
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Indian masala actress Hansika motwani in kranti
Tags:Hansika motwani in kranti,Hansika motwani sexy photos,Hansika motwani hot photos,Hansika motwani sexy hot wallpapers,Tamil,Telugu actress Hansika motwani sexy pics
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Though producer Aswinidutt maintained a low profile during the shooting of 'Kantri' and tried to maintain some privacy, the audiences in general and the NTR fans in particular kept good expectations on the film, in view of the recent blockbuster like 'Yamadonga' from the hero. Meher Ramesh, though made his debut in Telugu as director, with this film, had good working experience by associating himself with Puri Jagannath. Moreover, he gave two hit films in Kannada, the remakes of Telugu films 'Andhrawala' and 'Okkadu'. But it was proved that doing a film with a hero with certain image was not that easy and the director belied the hopes of the audiences as well as NTR, who wanted repeat the success history.
Indian masala actress Namitha Big cleavage show photos
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Indian masala actress Namitha Big cleavage show photos,Its Old but Hot...

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Ayeesha Takia sexy big boobs photos
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Indian masala Telugu actress Ayeesha Takia sexy big boobs photos
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Mumait khan sexy hot Boobs show photos
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Indian masala actress Mumait khan sexy hot photos




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Indian masala Mumait Khan sexy hot photos
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Aarti Chabria's wet sexy photos
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Indian actress Aarti Chabria's wet sexy photos



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Bindra wins first ever Olympic gold for India (IMAGES)
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BEIJING: World champion Abhinav Bindra clinched India's first ever individual gold medal at the Olympics, winning 10m air rifle event at the Beijing Games here on Monday.
The 25-year-old, who qualified fourth for the event, shot an overall score of (596+140.5) 700.5 in a thrilling finale which went right down to the last shot.
Bindra's historic feat makes him India's first-ever individual gold medallist, bettering the silver medal feat of double trap shooter Rajyavardhan Singh Rathore in Athens 2004.
"He is the best shooter in the world and I think his is a morale boosting feat for everyone in the contingent," a jubilant Indian Olympic Association President Suresh Kalmadi said after Bindra's win.
"We are all very happy. He is a very hardworking athlete. The entire shooting contingent is celebrating. We are very proud of him and it is just the beginning," national coach Sunny Thomas said.
"Abhinav is a very calm and composed guy and doesn't get very excited," Thomas added.
Bindra, a Khel Ratna awardee, had earlier won the gold medal in 2002 Commonwealth Games in the pairs event and silver in the individual event.
Earlier, Gagan Narang had failed to qualify for the finals of the same event after falling short in the count-back.
The silver in the event went to Chinese Zhu Qinan (699.7) while Finland's Henri Hakkinen (699.4) had to be content with a bronze.
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Beijing Olympics Opening Ceremony (IMAGES)
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Beijing held its formal opening ceremony today for the 2008 Summer Olympics. The ceremony, held in the National Stadium known as the Bird's Nest, was attended by thousands, and watched by millions more on television. Below are some highlights of the nearly 4-hour performance.
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