News tagged with biological systems


High-testosterone competitors more likely to choose red

Why do so many sports players and athletes choose to wear the color red when they compete? A new study to be published in Psychological Science, a journal of the Association for Psychological Science, suggests that it may ...

Psychology & Psychiatry created May 16, 2013 | popularity 5 / 5 (2) | comments 1 | with audio podcast

'Brainbow,' version 2.0: Researchers refine breakthrough system for producing images of brain, nervous system

(Medical Xpress)—The breakthrough technique that allowed scientists to obtain one-of-a-kind, colorful images of the myriad connections in the brain and nervous system is about to get a significant upgrade.

Neuroscience created May 16, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Endothelium, heal thyself: A fresh look at this resilient, adaptable tissue

(Medical Xpress)—The endothelium, the cellular layer lining the body's blood vessels, is extremely resilient. Measuring just a few hundred nanometers in thickness, this super-tenuous structure routinely ...

Medical research created May 16, 2013 | popularity 4 / 5 (2) | comments 1 | with audio podcast

Study identifies influenza viruses circulating in pigs and birds that could pose a risk to humans

In the summer of 1968, a new strain of influenza appeared in Hong Kong. This strain, known as H3N2, spread around the globe and eventually killed an estimated 1 million people.

Diseases, Conditions, Syndromes created May 10, 2013 | popularity not rated yet | comments 0 | with audio podcast

Cells must use their brakes moderately for effective speed control

How cells regulate their own function by "accelerating and braking" is important basic knowledge when new intelligent medicines are being developed, or when plant cells are tweaked to produce more bioenergy. In a study published ...

Medical research created May 15, 2013 | popularity 4 / 5 (1) | comments 0

Scientists show how nerve wiring self-destructs

Many medical issues affect nerves, from injuries in car accidents and side effects of chemotherapy to glaucoma and multiple sclerosis. The common theme in these scenarios is destruction of nerve axons, the ...

Neuroscience created May 09, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Blocking protein expression delays onset of multiple sclerosis in mice, study says

(Medical Xpress)—Blocking the expression of just one protein in the brain delays the onset of paralysis in mice with a form of multiple sclerosis, say researchers at the School of Medicine.

Medical research created May 10, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Your immune system: On surveillance in the war against cancer

Predicting outcomes for cancer patients based on tumor-immune system interactions is an emerging clinical approach, and new research from Wake Forest Baptist Medical Center is advancing the field when it comes to the most ...

Genetics created May 09, 2013 | popularity not rated yet | comments 0

International consortium builds 'Google Map' of human metabolism

Building on earlier pioneering work by researchers at the University of California, San Diego, an international consortium of university researchers has produced the most comprehensive virtual reconstruction ...

Medical research created Mar 03, 2013 | popularity 3.8 / 5 (5) | comments 4 | with audio podcast

Scientists find missing link between stem cells, immune system

UCLA researchers have discovered a type of cell that is the "missing link" between bone marrow stem cells and all the cells of the human immune system, a finding that will lead to a greater understanding of how a healthy ...

Immunology created Sep 02, 2012 | popularity 3.9 / 5 (8) | comments 0 | with audio podcast

Using precisely-targeted lasers, researchers manipulate neurons in worms' brains, take control of their behavior

In the quest to understand how the brain turns sensory input into behavior, Harvard scientists have crossed a major threshold. Using precisely-targeted lasers, researchers have been able to take over an animal's ...

Neuroscience created Sep 24, 2012 | popularity 5 / 5 (8) | comments 1 | with audio podcast

Mouse brain made transparent: Method enables 3-D analysis of brain's fine structure and connections (w/ video)

Combining neuroscience and chemical engineering, researchers at Stanford University have developed a process that renders a mouse brain transparent. The postmortem brain remains whole—not sliced or sectioned in any way—with ...

Neuroscience created Apr 10, 2013 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Metastasis stem cells in the blood of breast cancer patients discovered

Individual cancer cells that break away from the original tumor and circulate through the blood stream are considered responsible for the development of metastases. These dreaded secondary tumors are the ...

Cancer created Apr 22, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Assessing the effects of cell phone radiation on brain tissue

Researchers have found a novel, non-invasive technique for measuring brain hot spots caused by electromagnetic radiation from mobile phones, according to a study published today.

Medical research created Dec 17, 2012 | popularity 3.3 / 5 (10) | comments 9 | with audio podcast

Hundreds of alterations and potential drug targets to starve cancer tumors identified

A massive study analyzing gene expression data from 22 tumor types has identified multiple metabolic expression changes associated with cancer. The analysis, conducted by researchers at Columbia University Medical Center, ...

Cancer created Apr 21, 2013 | popularity 5 / 5 (4) | comments 0 | with audio podcast