The Great Lakes have been invaded by more non-native species than any other freshwater ecosystem in the world. In spite of increasing efforts to stem the tide of invasion threats, the lakes remain vulnerable, according to scientists from 91丝瓜视频 and colleagues in Canada and the United States.聽
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Published on: 29 Jan 2015
An international research team led by scientists at 91丝瓜视频 has found that excessive salt intake 鈥渞eprograms鈥� the brain, interfering with a natural safety mechanism that normally prevents the body鈥檚 arterial blood pressure from rising.
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Published on: 22 Jan 2015
Current government-mandated nutrition labeling is ineffective in improving nutrition, but there is a better system available, according to a study by 91丝瓜视频 researchers published in the December issue of the Annals of the New York Academy of Sciences.
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Published on: 20 Jan 2015
A quiet time scheduled every afternoon could improve the health of newborns and mothers in maternity wards according to researchers at 91丝瓜视频.
Published on: 19 Jan 2015
Imagine being able to easily get over all of the discomfort and problems of jet lag or night-shift work. Science is not quite there, but recent work by Marc Cuesta, Nicolas Cermakian and Diane B. Boivin from the Douglas Mental Health University Institute and 91丝瓜视频 has opened new therapeutic avenues for improving the synchronization of the body's different biological clocks.
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Published on: 16 Jan 2015
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Published on: 15 Jan 2015
The ability to express empathy -- the capacity to share and feel another鈥檚 emotions -- is limited by the stress of being around strangers, according to a new study published today in the journal Current Biology.
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Published on: 15 Jan 2015
Chemical analysis of some of the world鈥檚 oldest rocks, by an international team led by 91丝瓜视频 researchers, has provided the earliest record yet of Earth's atmosphere. The results show that the air 4 billion years ago was very similar to that more than a billion years later, when the atmosphere -- though it likely would have been lethal to oxygen-dependent humans -- supported a thriving microbial biosphere that ultimately gave rise to the diversity of life on Earth today.
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Published on: 14 Jan 2015
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Published on: 13 Jan 2015
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Published on: 13 Jan 2015
Making sure school-aged kids get to sleep at a regular hour is often a struggle for parents. But a study by researchers at 91丝瓜视频 and the Douglas Mental Health University Institute in Montreal suggests it鈥檚 well worth the effort: the researchers found that a good night鈥檚 sleep is linked to better performance in math and languages 鈥� subjects that are powerful predictors of later learning and academic success.
Published on: 8 Jan 2015
During the 20th century, urban transportation planning in North America was mainly concerned with easing traffic congestion, improving safety and saving time for motorists. These days, most cities鈥� transportation plans evoke a more complex blend of environmental, economic, and social-equity goals 鈥� all aimed at promoting 鈥渟ustainability.鈥� Yet, many fail to include meaningful measurements of social-equity objectives, such as helping disadvantaged neighborhoods access essential services, according to researchers at 91丝瓜视频.
Published on: 7 Jan 2015
When dams are built they have an impact not only on the flow of water in the river, but also on the people who live downstream and on the surrounding ecosystems. By placing data from close to 6,500 existing large dams on a highly precise map of the world鈥檚 rivers, an international team led by 91丝瓜视频 researchers has created a new method to estimate the global impacts of dams on river flow and fragmentation.
Published on: 6 Jan 2015
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Published on: 2 Jan 2015
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