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Tag: "sheds" at biology news

Modeling the restless brain

...s and Honey's work on modeling this brain activity sheds new light on how and when these mysterious fluctuations occur and offers insights into what the brain does while idle. "Some people see the brain in terms of inputs and outputs, like a computer. If you provide an input, you'll get a particular out...

The mouflons of the Kerguelen archipelago

...ions, this study by Denis Réale and his co-workers sheds new light on mechanisms that can regulate this genetic diversity. ...

Scientists close in on missing carbon sink

...y appearing in Science this week. The study, which sheds light on the so-called missing carbon sink, concludes that intact tropical forests are removing an unexpectedly high proportion of carbon dioxide from the atmosphere, partially offsetting carbon entering the air through industrial emissions and defor...

Alien plants attack using 'resource conservation' as weapon, researchers say

... to use available resources. The finding, which sheds new light on how invaders achieve success, may change the way scientists think about invasive species and how to curb them, according the authors of the study published in the April 26 issue of the journal Nature. "What was very intriguing to us i...

Researchers publish first marsupial genome sequence

...n the evolutionary origins of the human genome. It sheds light on the genetic differences between placental mammals, such as humans, mice and dogs, and marsupial mammals, such as opossums and kangaroos. "Marsupials are the closest living relatives of placental mammals. Because of this relationship, the...

New report: Explosive growth changes salmon industry

...market competition between wild and farmed salmon, sheds new light on the contentious and complex issues surrounding farmed and wild salmon. The Great Salmon Run: Competition Between Wild and Farmed Salmon, released by TRAFFIC, the wildlife trade monitoring network of World Wildlife Fund and IUCN-the Wor...

Imaging pinpoints brain regions that 'see the future'

...ngs of the National Academy of Sciences, the study sheds new light on how the human mind relies on the vivid recollection of past experiences to prepare itself for future challenges, suggesting that envisioning the future may be a critical prerequisite for many higher-level planning processes. Other stu...

Scientists uncover link between ocean's chemical processes and microscopic floating plants

...n (NSF), New Mexico Tech and the Comer Foundation, sheds light on how chemical processes that occur throughout the world's oceans help regulate Earth's climate. Other recent scientific studies have shown that ocean acidity is rising 100 times faster than ever before, Wingenter said, but this study links ...

Scientists find hormone activity explains adolescent mood swings

...ding of a change in the effect of a stress hormone sheds new light on the "mood swings" of puberty....

Microbes start immune response by sneaking inside cells

...mmune response there. In the new study, Nunez?team sheds light on one major pathway in which this process occurs. When invading bacteria enter immune system cells, a protein called cryopyrin, present in the fluid inside the cells, responds and activates a key pathogen-fighting molecule, Nunez?team repo...

Erectile dysfunction in diabetes is due to selective defect in the brain

A new study sheds additional light on how erectile dysfunction (ED) interacts with diabetes. The study is another step in uncovering the link between the two disorders, and may lead to improved efficacy in treatments. The study, "Lack of Central Nitric Oxide Trigger...

Global 'sunscreen' has likely thinned, report NASA scientists

...evel between 1986 and 1991. The NASA study also sheds light on the puzzling observations by other scientists that the amount of sunlight reaching Earth's surface, which had been steadily declining in recent decades, suddenly started to rebound around 1990. This switch from a "global dimming" trend to a ...

Tears reveal some of their deepest secrets to researchers

...has remained a mystery to scientists. A new study sheds some light on the complex design of tears. What we think of as tears, scientists call tear film, which is made up of three distinct, microscopic layers. The middle, watery layer ?what we normally think of as tears when we cry ?is sandwiched between a...

Ocean's 'twilight zone' may be a key to understanding climate change

A major study sheds new light on the role of carbon dioxide once it's transported to the oceans' depths. The research indicates that instead of sinking, carbon dioxide is often consumed by animals and bacteria and recycled in the "twilight zone," a dimly lit area 100 to...

Fruit fly gene research may shed light on human disease processes

...nd in higher animals, too," Avila says. "Our work sheds light on signal transmission in humans." Erickson points out that flies have evolved along with humans and that the two species are "close." Although he is quick to point out that the group's research has no short-term practical application, ...

A first glimpse of the influenza replication machine

...ates the structure and function of the protein and sheds light on how polymerase mutations contribute to transmission of avian flu to humans. Upon infection the influenza virus starts multiplying in the cells of an infected host. The polymerase is crucial in this process because it copies the viral genome...

'Empty nester' parent birds use recruitment calls to extend offspring care

...yond the onset of nutritional independence, and it sheds new light on the sophistication of parental care among birds. ...

University of Iowa scientists explore function of 'junk DNA'

...g area of biology known as functional genomics and sheds more light on the mysterious, so-called "junk DNA" that makes up the majority of the human genome. The team, led by Beverly Davidson, Ph.D., a Roy J. Carver Biomedical Research Chair in Internal Medicine and UI professor of internal medicine, physio...

Tuberculosis: The bacillus takes refuge in adipose cells

... for years. This discovery, published in PLoS ONE, sheds new light on possible strategies for fighting tuberculosis. Attempts to eradicate the bacillus entirely from infected individuals should take these newly identified reservoir cells into account. Mycobacterium tuberculosis, the bacillus responsible ...

Paying attention sets off symphony of cell synchronization

...important. Now a new Northwestern University study sheds light on how attention operates. The mystery of how attention improves the perception of incoming sensory stimulation has been a long-time concern of scientists. One hypothesis is that when you pay attention neurons produce stronger brain activity, ...

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