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LeopoldS

Sex differences in the structural connectome of the human brain - 0 views

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    it seems that there are indications that we are differently wired .... Sex differences in human behavior show adaptive complementarity: Males have better motor and spatial abilities, whereas females have superior memory and social cognition skills. Studies also show sex differences in human brains but do not explain this complementarity. In this work, we modeled the structural connectome using diffusion tensor imaging in a sample of 949 youths (aged 8-22 y, 428 males and 521 females) and discovered unique sex differences in brain connectivity during the course of development. Connection-wise statistical analysis, as well as analysis of regional and global network measures, presented a comprehensive description of network characteristics. In all supratentorial regions, males had greater within-hemispheric connectivity, as well as enhanced modularity and transitivity, whereas between-hemispheric connectivity and cross-module participation predominated in females. However, this effect was reversed in the cerebellar connections. Analysis of these changes developmentally demonstrated differences in trajectory between males and females mainly in adolescence and in adulthood. Overall, the results suggest that male brains are structured to facilitate connectivity between perception and coordinated action, whereas female brains are designed to facilitate communication between analytical and intuitive processing modes.
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    I like this abstract: sex, sex, sex, sex, SEX, SEX, SEX, SEX...!!! I wonder if the "sex differences" are related to gender-specific differences...
Thijs Versloot

Telescope to track space junk using youth radio station - 0 views

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    Team leader Professor Steven Tingay, Director of the MWA at Curtin University and Chief Investigator in the Australian Research Council Centre for All-sky Astrophysics (CAASTRO) said the MWA will be able to detect the space junk by listening in to the radio signals generated by stations including popular youth network Triple J.
LeopoldS

| Inspiring a Future of Exploration - 1 views

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    youth pushing for space exploration ...
johannessimon81

Young blood transfusions may be source of eternal youth - 1 views

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    By giving old mice young fresh blood, aging in their brains and hearts can be "reversed" by triggering the mouse's stem cells.
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    Already published in A.D. 1489...
pacome delva

The Consequences of a Boozy Youth -- Miller 2009 (921): 1 -- ScienceNOW - 0 views

  • early alcohol use can cause lasting changes in behavior.
  • 3 months after their last drink, they always preferred the risky lever, even when they payoff was poor
Isabelle DB

Global Warning - a project of the National Security Journalism Initiative - 0 views

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    "WASHINGTON, D.C. - In a three-month investigation, a team of Northwestern University student reporters has found that the US nation's security establishment is not adequately prepared for many of the environmental changes that are coming faster than predicted and that threaten to reshape demands made on the military and intelligence community. This is despite the fact that the Defense Department has called climate change a potential "accelerant of instability." The Medill School of Journalism graduate student team began publication on January 10 of its findings on the national security implications of climate change with a series of print, video and interactive stories."
Marion Nachon

Gene rejuvenation pours youth into centenarians' cells - 2 views

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    Scientists have entered a new path for regenerative medicine by altering age-worn cells in people over 90 into rejuvenated stem cells.
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