News tagged with small


Green Comet Approaches Earth

Green Comet Approaches Earth

Space & Earth / Space Exploration

created Feb 05, 2009 | popularity 4.8 / 5 (9) | comments 0

In 1996, a 7-year-old boy in China bent over the eyepiece of a small telescope and saw something that would change his life--a comet of flamboyant beauty, bright and puffy with an active tail. At first he ...


Regular physical activity linked to better quality of life in early-stage lung cancer survivors

Medicine & Health / Cancer

created Feb 03, 2009 | popularity not rated yet | comments 0

Survivors of early-stage lung cancer who take part in regular physical activity have a better quality of life, according to a study in the February issue of the journal Cancer Epidemiology Biomarkers and Prevention, available ...


Surface Arteries Brain Dive into the Brain to Feed Capillaries

Mesh-like network of arteries adjusts to restore blood flow to stroke-injured brain

Medicine & Health / Research

created Jan 30, 2009 | popularity 5 / 5 (1) | comments 0

A grid of small arteries at the surface of the brain redirects flow and widens at critical points to restore blood supply to tissue starved of nutrients and oxygen following a stroke, a study published this ...


Researchers find new molecule to block ‘Hedgehog’ signaling in cancer, development

Biology /

created Jan 19, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Researchers have achieved a feat drug developers had thought difficult, if not impossible, discovering a compound that blocks the functioning of a key developmental protein by binding to an “undruggable” ...


Microfluidic Devices Capture and Analyze Single Cancer Cells

Nanotechnology / Bio & Medicine

created Jan 16, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- One of the grand goals in nanotechnology is to develop a single microfluidic device that integrates all of the components needed to perform polymerase chain reaction (PCR)-based nucleic acid analyses. Experts ...


Use of antidepressants associated with improvement in symptoms of fibromyalgia

Medicine & Health / Medications

created Jan 13, 2009 | popularity not rated yet | comments 0

The use of antidepressant medications by patients with fibromyalgia syndrome is associated with a reduction in pain, sleep disturbances and depressed mood and improvement of health-related quality of life, according to an ...


Small changes can lead to big rewards, says ASN president

Medicine & Health / Health

created Jan 13, 2009 | popularity 3 / 5 (1) | comments 0

Small changes can lead to big rewards, such as maintaining a healthy weight, American Society for Nutrition (ASN) President James O. Hill, PhD, describes in a recent report. The article, to be published in the February issue ...


Spirit Rover Images of Martian Rocks

How Martian winds make rocks walk

Space & Earth / Space Exploration

created Jan 08, 2009 | popularity 4.8 / 5 (5) | comments 8

Rocks on Mars are on the move, rolling into the wind and forming organized patterns, according to new research.


Scientists Discover An Ancient Odor-Detecting Mechanism in Insects

Scientists Discover An Ancient Odor-Detecting Mechanism in Insects

Biology /

created Jan 08, 2009 | popularity 3.7 / 5 (3) | comments 1

(PhysOrg.com) -- In 1913 Theodore Roosevelt added cartographer to his resume when he and his crew ventured up an unspeakably dangerous and uncharted tributary named the River of Doubt. Now, on a charting expedition ...


Both theories about human cellular aging supported by new research

Biology /

created Dec 16, 2008 | popularity 4.5 / 5 (8) | comments 2

Aging yeast cells accumulate damage over time, but they do so by following a pattern laid down earlier in their life by diet as well as the genes that control metabolism and the dynamics of cell structures such as mitochondria, ...


Type 1 diabetes and celiac disease linked

Medicine & Health / Diseases

created Dec 10, 2008 | popularity 4.7 / 5 (3) | comments 0

Type 1 (juvenile) diabetes and celiac disease appear to share a common genetic origin, scientists at the University of Cambridge and Barts and The London School of Medicine and Dentistry, have confirmed.


Exercise helps prevent age-related brain changes in older adults

Medicine & Health / Health

created Dec 01, 2008 | popularity 4.6 / 5 (5) | comments 0

Older adults who exercise regularly show increased cerebral blood flow and a greater number of small blood vessels in the brain, according to findings presented today at the annual meeting of the Radiological Society of North ...


Study identifies double-balloon enteroscopy as cost-effective approach for obscure GI bleeding

Medicine & Health / Research

created Nov 24, 2008 | popularity not rated yet | comments 0

A cost-effectiveness analysis conducted by researchers at Stanford University Hospital in Calif., shows that an initial double-balloon enteroscopy (DBE) is a cost-effective approach for patients with obscure gastrointestinal ...


Researchers Studying Little-Known Genetic Sequences

Biology /

created Nov 13, 2008 | popularity 3.8 / 5 (6) | comments 0

(PhysOrg.com) -- University of Arizona researchers are among a group of scientists who have discovered a source of previously scarce small RNA molecules. Their finding, which was recently published in the Proceedings of th ...


To widen path to outer space, UF engineers build small satellite

Space & Earth / Space Exploration

created Nov 13, 2008 | popularity 4 / 5 (2) | comments 0

It's not much bigger than a softball and weighs just 2 pounds. But the "pico satellite" being designed and built in a University of Florida aerospace engineering laboratory may hold a key to a future of easy access to outer ...