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Brain size does matter when it comes to self-control among animals
2014년 04월 23일
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주제 Psychology and Neuroscience | 조회수 12,114
평점: 2
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In a large-scale collaborative effort, scientists used two problem-solving tasks to investigate the evolution of self-control among animals. The study involved 36 species of mammals and birds. The...
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Heart disease can be prevented by altering fat metabolism
2014년 04월 23일
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주제 Medicine, Health, and Nursing | 조회수 13,288
평점: 1
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In a recent study, scientists were able to identify and arrest the action of a single molecular agent that affects the body’s ability to properly use, transport, and rid itself of cholesterol. This...
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Researchers discover the earliest ancestor of land herbivores
2014년 04월 18일
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주제 Plant and Animal Science | 조회수 13,680
평점: 1
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The discovery of a fossilized juvenile skeleton of Eocasea martini has helped researchers understand how carnivores transitioned into herbivores for the first time on land. The 300-million-year old...
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Three-million-year-old landscape beneath Greenland Ice Sheet
2014년 04월 18일
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주제 Earth and Planetary Science | 조회수 11,949
평점: 2
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Scientists have discovered an ancient tundra landscape under the Greenland Ice Sheet, preserved for 2.7 million years. This discovery provides strong evidence that the Greenland Ice Sheet has...
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Global warming is definitely not due to natural factors, says study
2014년 04월 13일
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주제 Environmental Science and Energy | 조회수 15,026
평점: 1.8
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A statistical analysis of temperature data since 1500 rejects the hypothesis that global warming is a natural fluctuation in the earth’s climate. The study presents a new approach to the question of...
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STAP cell researcher found guilty of misconduct
2014년 04월 07일
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주제 Biochemistry, Genetics, and Molecular Biology | 조회수 15,023
평점: 1
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In a new twist in the STAP cell research controversy, Dr. Haruko Obokata was pronounced guilty by the research institute Riken on April 1, 2014. Shunsuke Ishii, chairman of the investigative...
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Gravitational waves from big bang detected
2014년 03월 21일
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주제 Earth and Planetary Science | 조회수 16,282
평점: 1
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Physicists have made a groundbreaking finding by gathering evidence of a long-predicted twist in light from the big bang that represents the first image of ripples in the universe called...
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Cause of fragile X sysndrome uncovered
2014년 03월 18일
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주제 Medicine, Health, and Nursing | 조회수 15,116
평점: 2
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A new study has found that fragile X syndrome, the most common genetic cause of mental retardation and autism, occurs because of a mechanism that shuts off the gene associated with the disease. While...
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Researchers discover source of secondary aerosol organic particles
2014년 03월 18일
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주제 Environmental Science and Energy | 조회수 13,242
평점: 1
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Researchers have found that plant-emitted aerosoles—the extremely low-volatile organic compounds—consist of relatively large molecules. They show how these vapours are formed almost immediately when...
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How Earth might have looked 130 million years ago
2014년 03월 18일
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주제 Earth and Planetary Science | 조회수 13,370
평점: 1
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Using sophisticated plate tectonic and 3D numerical modeling, geoscientists have been able to show that break-up of the supercontinent Gondwana about 130 million years ago could have led to a...

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