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Rich Ore Deposits Linked to Ancient Atmosphere

November 20th, 2009 at 10:10 am » Comments (0)

Volcano eruption on Reunion Island in the Indian Ocean.
Much of our planet’s mineral wealth was deposited billions of years ago when Earth’s chemical cycles were different from today’s. Using geochemical clues from rocks nearly 3 billion years old, a group of scientists including Andrey Bekker and Doug Rumble from the Carnegie Institution have made the [...]



Anti-Smoking Vaccine May Be Available Soon

November 19th, 2009 at 7:35 am » Comments (0)

The vaccine is injected and works by creating anti-bodies
Smokers could soon have access to an injectable vaccine to help them break the habit following a deal between GlaxoSmithKline and Nabi Pharmaceuticals, the company that developed the drug.  The NicVAX vaccine works by preventing nicotine in tobacco entering the brain, where it creates an addictive sensation [...]



Failed Antidepressant Drug Hailed As Women’s Viagra

November 18th, 2009 at 8:33 am » Comments (0)

A drug that failed tests as an antidepressant is being hailed as “Viagra for women” after surprising but not unpleasant side effects.
In three separate trials, the drug flibanserin did wonders for women’s flagging sex drive despite doing nothing to lift mood.
The accidental discovery is akin to Viagra’s – it was originally designed as a heart [...]



Children With Autism Show Slower Pupil Responses, Study Finds

November 11th, 2009 at 10:25 am » Comments (0)

The Human eye
Autism affects an estimated 1 in 150 children today, making it more common than childhood cancer, juvenile diabetes and pediatric AIDS combined. Despite its widespread effect, autism is not well understood and there are no objective medical tests to diagnose it. Recently, University of Missouri researchers have developed a pupil response test that [...]



Organ Regeneration In Zebrafish: Unraveling The Mechanisms

November 10th, 2009 at 10:33 am » Comments (0)

Unlike humans, zebrafish are able to regenerate amputated appendages.
The search for the holy grail of regenerative medicine — the ability to “grow back” a perfect body part when one is lost to injury or disease — has been under way for years, yet the steps involved in this seemingly magic process are still poorly understood.



In the Year 2020: Biotechnology and Genetics

November 7th, 2009 at 3:25 pm » Comments (0)

Live to 149, program your nerves for pleasure, and eat entrail-fed meat machines, all by 2020.
Check out Part I of our series about life in the year 2020.
Nobody delivers profanity better than Bruce Willis. Nobody. Perhaps that’s why he’s seen so much of it in practically every script he’s tackled during the last 20-odd years. [...]



Spraying on Skin Cells – New Technique in Burn Treatment

November 5th, 2009 at 1:24 pm » Comments (0)

The ReCell kit, hardly bigger than a designer sunglasses case, houses a miniature lab for harvesting skin basal cells.
Traditionally, treatment for severe second-degree burns consists of adding insult to injury: cutting a swath of skin from another site on the same patient in order to graft it over the burn. The process works, but causes [...]



Common Plants Can Eliminate Indoor Air Pollutants

November 5th, 2009 at 10:18 am » Comments (0)

Hemigraphis alternata, or purple waffle plant, one of the highest ratedornamentals for removing indoor air pollutants.

Air quality in homes, offices, and other indoor spaces is becoming a major health concern, particularly in developed countries where people often spend more than 90% of their time indoors. Surprisingly, indoor air has been reported to be as much [...]



Angry Faces: Facial Structure Linked To Aggressive Tendencies, Study Suggests

November 2nd, 2009 at 10:15 am » Comments (0)

New research finds that a quick glance at someone’s facial structure may be enough for us to predict their tendency towards aggression.
Angry words and gestures are not the only way to get a sense of how temperamental a person is. According to new findings in Psychological Science, a quick glance at someone’s facial structure may [...]



Link Between Alcohol And Cancer Explained: Alcohol Activates Cellular Changes That Make Tumor Cells Spread

October 27th, 2009 at 9:23 am » Comments (0)

Researchers have identified a cellular pathway that may explain the link between alcohol consumption and cancer.

Alcohol consumption has long been linked to cancer and its spread, but the underlying mechanism has never been clear. Now, researchers at Rush University Medical Center have identified a cellular pathway that may explain the link.



Scientists Researching Possible Health Benefits of LSD and Ecstacy

October 24th, 2009 at 5:22 pm » Comments (0)

LSD and ecstacy shown to be more effective against anxiety
disorders than Prozac, Zoloft and other “legal” drugs
A growing number of people are taking LSD and other psychedelic drugs such as cannabis and ecstasy to help them cope with a variety of conditions including anorexia nervosa, cluster headaches and chronic anxiety attacks.
The emergence of a community that passes [...]



Brain Signals Could Awaken Paralyzed Limbs

October 23rd, 2009 at 9:00 am » Comments (0)

Brain signals can drive arm movement in a monkey with a paralyzed arm.
A monkey with a paralyzed arm can still grasp a ball, thanks to a novel system designed to translate brain signals into complex muscle movements in real time. The research, presented at the Society for Neuroscience conference in Chicago this week, could one [...]



Phytochemicals In Plant-based Foods Could Help Battle Obesity, Disease

October 22nd, 2009 at 12:42 pm » Comments (0)

In a small study of 54 young adults, UF researchers found eating more plant-based foods, which are rich in substances called phytochemicals, seems to prevent oxidative stress in the body, a process associated with obesity and the onset of disease
The cheeseburger and French fries might look tempting, but eating a serving of broccoli or leafy [...]



Trigger Of Deadly Food Toxin Discovered; Finding Could Help Prevent Liver Cancer

October 22nd, 2009 at 12:30 pm » Comments (0)

UCI scientist Sheryl Tsai and colleagues have discovered what triggers a cancer-causing toxin to form on nuts and grains, which could lead to methods of limiting its production
A toxin produced by mold on nuts and grains can cause liver cancer if consumed in large quantities. UC Irvine researchers for the first time have discovered what [...]



Advance In ‘Nano-Agriculture:’ Tiny Stuff Has Huge Effect On Plant Growth

October 22nd, 2009 at 12:26 pm » Comments (0)

Tomato seeds exposed to carbon nanotubes (right) sprouted and grew faster than unexposed seeds (left).
With potential adverse health and environmental effects often in the news about nanotechnology, scientists in Arkansas are reporting that carbon nanotubes (CNTs) could have beneficial effects in agriculture. Their study, scheduled for the October issue of ACS Nano, found that tomato [...]



First Womb Transplant Two Years Away

October 22nd, 2009 at 9:34 am » Comments (0)

 
British doctors have moved a step closer to carrying out what they hope will be the world’s first successful human womb transplant, giving hope to thousands of women who are unable to have children for medical reasons.
 



Juggling Enhances Connections In The Brain

October 19th, 2009 at 9:12 am » Comments (0)

Man juggling several small balls.
Learning to juggle leads to changes in the white matter of the brain, an Oxford University study has shown.



Tiny Implants Connected To Nerve Cells Could Allow Greater Control Of Prosthetics

October 15th, 2009 at 9:05 am » Comments (0)

Muscle cells (shown here) are grown on a biological scaffold.
A novel implant seeded with muscle cells could better integrate prosthetic limbs with the body, allowing amputees greater control over robotic appendages. The construct, developed at the University of Michigan, consists of tiny cups, made from an electrically conductive polymer, that fit on nerve endings and [...]



Surgical Tool Sniffs Out Cancer

October 15th, 2009 at 8:42 am » Comments (0)

This machine uses mass spectrometry to make molecular maps of tissue during surgery.
In the hope of helping oncologists remove every piece of tumor tissue during surgery, researchers are developing new imaging tools that work in real time in the operating room. European researchers have now demonstrated that a chemical analysis instrument called a mass spectrometer [...]



Chimpanzees Help Each Other On Request But Not Voluntarily

October 15th, 2009 at 8:41 am » Comments (0)

Tool transfer upon recipient’s request.
The evolution of altruism has long puzzled researchers and has mainly been explained previously from ultimate perspectives—”I will help you now because I expect there to be some long-term benefit to me”. However, a new study by researchers at the Primate Research Institute (PRI) and the Wildlife Research Center (WRC) of [...]



First Spider Known To Science That Feeds Mainly On Plant Food

October 14th, 2009 at 9:33 am » Comments (0)

Adult female Bagheera kiplingi eats Beltian body harvested from ant-acacia.
There are approximately 40,000 species of spiders in the world, all of which have been thought to be strict predators that feed on insects or other animals. Now, scientists have found that a small Central American jumping spider has a uniquely different diet: the species Bagheera [...]



High Rates Of Childhood Exposure To Violence And Abuse In United States, New Study Finds

October 8th, 2009 at 9:25 am » Comments (0)

A new study finds high rates of childhood exposure to violence and abuse in United States.
A new study from the University of New Hampshire finds that U.S. children are routinely exposed to even more violence and abuse than has been previously recognized, with nearly half experiencing a physical assault in the study year.



Nobel In Physics: Creators Of Optical Fiber Communication And CCD Image Sensor

October 7th, 2009 at 9:25 am » Comments (0)

Above: CCD image sensor. Below: Optical fibers.
The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Physics for 2009 with one half to Charles K. Kao, Standard Telecommunication Laboratories, Harlow, UK, and Chinese University of Hong Kong “for groundbreaking achievements concerning the transmission of light in fibers for optical communication”, and [...]



Smoking During Pregnancy Puts Children At Risk Of Psychotic Symptoms

October 2nd, 2009 at 9:05 am » Comments (0)

Mothers who smoke during pregnancy put their children at greater risk of developing psychotic symptoms in their teenage years.
Mothers who smoke during pregnancy put their children at greater risk of developing psychotic symptoms in their teenage years.



Smoking Bans Cut Heart Attacks By Up To A Quarter

September 28th, 2009 at 8:44 am » Comments (0)

This SHOULD be a headline in major newspapers, but due to big money manipulations it has not been picked up. Many communities have enacted smoking bans in public places, some of which have been in effect for several years. How is that affecting our overall health? According to an analysis of studies, the bans are significantly [...]