Leptin's Role In Brain Neurocircuitry Clarified
New findings demonstrate that leptin's influence on tiny group of POMC neurons restores blood sugar control -- and spontaneously increases physical activity levels -- in an animal model of severe, insulin-resistant diabetes.img...
sciencedaily.com |
General Science | Wednesday Jun 3
Diet-induced Obesity Prevented In Mice With Engineered Metabolic Pathway
Though obesity has defied much of the research and treatments developed thus far, researchers may have discovered a completely new way to approach the problem. Scientists successfully constructed a non-native pathway in mice to increase fatty acid...
sciencedaily.com |
General Science | Wednesday Jun 3
Electronic Memory Chips That Can Bend And Twist
Electronic memory chips may soon gain the ability to bend and twist as a result of work by engineers who have found a way to build a flexible memory component out of inexpensive, readily available materials.img...
sciencedaily.com |
General Science | Wednesday Jun 3
Summer Science Books
None of the new science books on my desk this morning are more than an inch thick, so they should make great lighweight packing for a summer holiday read.
First up, It Takes a Genome by Greg Gibson, Professor of Genetics at North Carolina State...
sciencebase.com |
General Science | Wednesday Jun 3
Insomniac Flies Resemble Sleep-deprived Humans
Researchers have created a line of fruit flies that may someday help shed light on the mechanisms that cause insomnia in humans. The flies, which only get a small fraction of the sleep of normal flies, resemble insomniac humans in several ways.img...
sciencedaily.com |
General Science | Wednesday Jun 3
Lightweight Wings For A High-flying Kite
Tensairity elements made of air filled membrane assemblies, rods and cables have already made a name for themselves in the construction world as extremely light yet strong load-bearing structures. But is this new technology also suitable for use in the...
sciencedaily.com |
General Science | Wednesday Jun 3
Semen Quality May Depend Upon Antioxidants In Man's Diet
A possible relationship between men??™s diets and the quality of their semen has long been a discussion point. Researchers have now confirmed that antioxidants, molecules which are found mainly in fruit and vegetables and can delay and prevent the...
sciencedaily.com |
General Science | Wednesday Jun 3
Cell Phone Ringtones Can Pose Major Distraction, Impair Recall
A flurry of recent research has documented that talking on a cell phone poses a dangerous distraction for drivers and others whose attention should be focused elsewhere. Now, a new study in the Journal of Environmental Psychology finds that just the...
sciencedaily.com |
General Science | Wednesday Jun 3
New Device Detects Heart Disease Using Less Than One Drop Of Blood
Testing people for heart disease might be just a finger prick away thanks to a new credit card-sized device. This device can measure and collect a type of cells needed to build vascular tissue, called endothelial progenitor cells, using only 200...
sciencedaily.com |
General Science | Wednesday Jun 3
Scientists Create Metal That Pumps Liquid Uphill
In nature, trees pull vast amounts of water from their roots up to their leaves hundreds of feet above the ground through capillary action, but now scientists have created a simple slab of metal that lifts liquid using the same principle -- but does so...
sciencedaily.com |
General Science | Wednesday Jun 3
'Death Receptors' Designed To Kill Our Cells May Make Them Stronger
Scientists can now explain how cell receptors (called "death receptors") used by the body to shut down old, diseased, or otherwise unwanted cells (called "apoptosis") may also be used to make cells heartier when facing a wide range of illnesses, from...
sciencedaily.com |
General Science | Wednesday Jun 3
Ancient Mammals Shifted Diets As Climate Changed
A new study shows mammals change their dietary niches based on climate-driven environmental changes, contradicting a common assumption that species maintain their niches despite global warming.img...
sciencedaily.com |
General Science | Wednesday Jun 3
In The Turf War Against Seaweed, Coral Reefs More Resilient Than Expected
There's little doubt that coral reefs the world over face threats on many fronts: pollution, diseases, destructive fishing practices and warming oceans. But reefs appear to be more resistant to one potential menace -- seaweed -- than previously...
sciencedaily.com |
General Science | Wednesday Jun 3
Global Responsibility To Help Vulnerable Communities Adapt
For one international community -- the 165,000 strong Inuit community dispersed across the Arctic coastline in small, remote coastal settlements in Alaska, Canada, Greenland and Siberia -- it is already too late to prevent some of the negative effects...
sciencedaily.com |
General Science | Wednesday Jun 3
When Evolution Is Not So Slow And Gradual
What's the secret to surviving during times of environmental change? Evolve... quickly. A new article finds that guppy populations introduced into new habitats developed new and advantageous traits in just a few years. This is one of only a few studies...
sciencedaily.com |
General Science | Wednesday Jun 3
Better And Faster Search Engines
Internet search engines virtually always create a ranking of all pages, and then they choose only those pages that contain the right words. A new approach yields more relevant hits and faster search engines.img...
sciencedaily.com |
General Science | Wednesday Jun 3
Cardiovascular Fitness Not Affected By Cancer Treatment
The cardiovascular fitness level of cancer survivors is not affected by many standard cancer therapies, say researchers. That is the finding of a new observational study.img src="http://feeds2.feedburner.com/~r/sciencedaily/~4/PgNAzg8Z9Q0" height="1"...
sciencedaily.com |
General Science | Wednesday Jun 3
Most Efficient Spectrograph To Shoot The Southern Skies
ESO's Very Large Telescope has been equipped with the first of its second generation instruments: X-shooter. It can record the entire spectrum of a celestial object in one shot -- from the ultraviolet to the near-infrared -- with high sensitivity. This...
sciencedaily.com |
General Science | Wednesday Jun 3
Exercise More, Not Less, To Ease Aching Back, Study Suggests
People with lower back pain are better off exercising more, not less, according to a new study.img src="http://feeds2.feedburner.com/~r/sciencedaily/~4/7I028ffsEe4" height="1" width="1"/
sciencedaily.com |
General Science | Wednesday Jun 3
Intervention Reduces Delinquent Teenage Pregancy Rates
A program aimed at reducing criminal behavior in juvenile justice teens has yielded a surprising side benefit. The program is also reducing the teens' rate of pregnancy, according to a new study.img...
sciencedaily.com |
General Science | Wednesday Jun 3
Enzyme Involved In Inflammatory Bowel Disease Discovered
Researchers have discovered that the enzyme meprin has a key role in inflammatory bowel disease.img src="http://feeds2.feedburner.com/~r/sciencedaily/~4/0MwrT5JeUak" height="1" width="1"/
sciencedaily.com |
General Science | Wednesday Jun 3
World First: Chinese Scientists Create Pluripotent Stem Cells From Pigs
Scientists have managed to induce cells from pigs to transform into pluripotent stem cells -- cells that, like embryonic stem cells, are capable of developing into any type of cell in the body. It is the first time that this has been achieved using...
sciencedaily.com |
General Science | Wednesday Jun 3
Culture, Not Biology, Underpins Math Gender Gap
For more than a century, the notion that females are innately less capable than males at doing mathematics, especially at the highest levels, has persisted in even the loftiest circles.img...
sciencedaily.com |
General Science | Tuesday Jun 2
Counting Sheep In Climate Change Predictions
Climate change can have devastating effects on endangered species, but new mathematical models may be able to aid conservation of a population of bighorn sheep.img src="http://feeds2.feedburner.com/~r/sciencedaily/~4/YxB-RLtekUM" height="1" width="1"/
sciencedaily.com |
General Science | Tuesday Jun 2
A Drone For Security And Safety
European researchers have developed a small robotic drone capable of helping save lives in emergency situations or preventing terrorist attacks in urban areas.img src="http://feeds2.feedburner.com/~r/sciencedaily/~4/_36n8m9lzN8" height="1" width="1"/
sciencedaily.com |
General Science | Tuesday Jun 2
Genes And Smoking Play Role In Rheumatoid Arthritis
Recent genetic studies have revealed several new sites of genes that are risk factors for developing rheumatoid arthritis. The strongest association with anti-citrullinated protein antibody-positive RA (ACPAs are autoantibodies detected in RA that are...
sciencedaily.com |
General Science | Tuesday Jun 2
Magnetic Tornadoes Could Liberate Mercury's Tenuous Atmosphere
Mercury is scorching hot, with daytime temperatures of more than 800 degrees Fahrenheit. Its hard for the planet to hold on to its atmosphere, which is extremely thin, and invisible to the human eye. However, it can be seen by special instruments...
sciencedaily.com |
General Science | Tuesday Jun 2
New Space Headache Category Proposed Following Astronauts??™ Survey
Researchers are calling for space headache to be established as a new secondary disorder after carrying out a study of 17 astronauts. Their study jettisons the theory that astronauts??™ headaches are normally caused by space motion sickness, after...
sciencedaily.com |
General Science | Tuesday Jun 2
Ethanol Production Could Jeopardize Soil Productivity
Crop residues possess a critical role in sustaining soil organic matter, and as it is increasingly being used for the production of cellulosic-based ethanol, this removal may impact the long-term productivity of soils.img...
sciencedaily.com |
General Science | Tuesday Jun 2
Gene For Day Blindness In Dachshunds Found
Researchers have discovered the genetic cause of day blindness or "cone-rod dystrophy" in the wire-haired dachshund. The disease was discovered in two litter mates in 1999 and has since been studied in both clinical and genetic trials in offspring of...
sciencedaily.com |
General Science | Tuesday Jun 2
Scientists Map Penguins From Space By Locating Their Feces
Penguin poo (guano) stains, visible from space, have helped British scientists locate emperor penguin breeding colonies in Antarctica. Knowing their location provides a baseline for monitoring their response to environmental change.img...
sciencedaily.com |
General Science | Tuesday Jun 2
Tai Chi Improves Pain In Arthritis Sufferers
The results of a new analysis have provided good evidence to suggest that tai chi is beneficial for arthritis. Specifically, it was shown to decrease pain with trends towards improving overall physical health, level of tension and satisfaction with...
sciencedaily.com |
General Science | Tuesday Jun 2
Stellar Explosion Displays Massive Carbon Footprint
While humans are still struggling to get rid of unwanted carbon it appears that the heavens are really rather good at it. New research by astrophysicists has discovered that a mystery stellar explosion recorded in 2006 may have marked the unusual death...
sciencedaily.com |
General Science | Tuesday Jun 2
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