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Neuroscientists: Quit Smoking Gradually

January 28, 2015 7:00 am | by Univ. of Copenhagen | News | Comments

Researchers have studied the immediate reaction in the brain after quitting smoking. At just 12 hours after kicking the habit, the oxygen uptake and blood flow in the brain decrease significantly compared to never-smokers. This could explain why it is so difficult to say goodbye to nicotine once and for all.

Light Bursts Microcapsules to Release Fragrances

January 28, 2015 7:00 am | by Angewandte Chemie | News | Comments

Fragrances that are sensitive or need to be released with a time delay can be enclosed in...

How Moisturizer Works

January 28, 2015 7:00 am | by ACS | Videos | Comments

The cold weather of winter can also mean dry, cracked skin. Many reach for the moisturizer to...

Drug Candidates May Halt Parkinson's Patients' Decline

January 27, 2015 3:00 pm | by The Scripps Research Institute | News | Comments

In a pair of related studies, scientists have shown their drug candidates can target biological...

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Bulletproof Batteries May Stop Plane Fires

January 27, 2015 3:00 pm | by Univ. of Michigan | News | Comments

A Kevlar membrane can enable more durable batteries that adapt to various environments. The membrane should be able to prevent the type of short circuit that is thought to have caused the Boeing 787 battery fires of 2013.

Hot Rocks May Be Crucibles of Life

January 27, 2015 3:00 pm | by Ludwig Maximilian Univ. | News | Comments

Water-filled micropores in hot rock may have acted as the nurseries in which life on Earth began. A team of scientists has shown that temperature gradients in pore systems promote the cyclical replication and emergence of nucleic acids.

Drug Candidates May Halt Parkinson's Patients' Decline

January 27, 2015 3:00 pm | by The Scripps Research Institute | News | Comments

In a pair of related studies, scientists have shown their drug candidates can target biological pathways involved in the destruction of brain cells in Parkinson's disease. The studies suggest it is possible to design highly effective and highly selective drug candidates that can protect the function of mitochondria, which provide the cell with energy, ultimately preventing brain cell death.

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Obama: More Money Needed to Fight Antibiotic-resistant Germs

January 27, 2015 3:00 pm | by Associated Press, Nedra Pickler | News | Comments

President Barack Obama wants the U.S. to invest much more in fighting antibiotic-resistant germs to prevent re-emergence of diseases conquered long ago. The White House says Obama will ask Congress to nearly double its funding to fight antibiotic resistance to $1.2 billion.

Lobster Scraps Can Make Tasty Snacks

January 27, 2015 3:00 pm | by Flinders Univ. | News | Comments

In a bid to reduce waste from the harvest and export of southern rock lobsters– a multimillion dollar industry in South Australia– Australian researchers have found innovative ways of using leftover shells and parts from the processing of this premium seafood. Lobster lovers rejoice: you could soon see lobster-infused chips, dips, crackers and seasonings stocked on your supermarket shelves.

Customized Printed Tissue Combines with Patient’s

January 27, 2015 7:00 am | by The Society of Thoracic Surgeons | News | Comments

The trachea is a tube that connects the upper respiratory tract to the lungs and helps carry air to the lungs. Traditional treatments for tracheal diseases usually involve removal of the affected tracheal segment. However, 3-D printing can effectively create a biodegradable tracheal segment containing a patient’s own cells for use in complex tracheal reconstruction.

Cancer Hijacks Healthy Cells

January 27, 2015 7:00 am | by Rice Univ. | News | Comments

Cancer uses a little-understood element of cell signaling to hijack the communication process and spread. A new computational study shows how cancer cells take advantage of the system by which cells communicate with their neighbors as they pass messages to “be like me” or “be not like me.”

Today in Lab History: Aspartame, the Controversial Sweetener

January 27, 2015 7:00 am | by Lily Barback, Associate Editor | News | Comments

On Jan. 27, 1970, James Schlatter, a chemist working for G.D. Searle & Company, patented an artificial sweetener as “peptide sweetening agents.” It was later named aspartame. It remains, even today, a very popular sugar substitute but is frequently vilified.

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Identifying Zombie Bacteria May Help Treat TB

January 26, 2015 2:00 pm | by EPFL | News | Comments

“Living-dead” bacteria exist in limbo: biologically active but not proliferating. Buried in this zombie state, disease-causing bacteria could come back from the dead to re-infect patients. Researchers have produced the first evidence of this strange phenomenon in tuberculosis, suggesting new avenues for treatment.

GMO Mosquitoes May Be Released in Florida Keys

January 26, 2015 2:00 pm | by Associated Press, Jennifer Kay | News | Comments

Millions of genetically modified mosquitoes could be released in the Florida Keys if British researchers win approval to use the bugs against two extremely painful viral diseases. Never before have insects with modified DNA come so close to being set loose in a residential U.S. neighborhood.

Experts Aid Spain’s Hunt for Cervantes Centuries Later

January 26, 2015 8:38 am | by Associated Press, Jorge Sainz, Harold Heckle | News | Comments

Forensic experts began excavating graves and examining bones this weekend in a tiny chapel in Madrid, hoping to solve the centuries-old mystery of exactly where the great Spanish writer Miguel de Cervantes was laid to rest. The author of "Don Quixote" was buried in 1616 at the Convent of the Barefoot Trinitarians in Madrid's historic Barrio de las Letras, but the exact whereabouts of his grave within the convent chapel are unknown.

Umami May Aid Health

January 26, 2015 7:00 am | by BioMed Central | News | Comments

The umami taste could have an important and beneficial role in health, according to a new study. Research also found that kokumi substances, which modify flavor, could improve the taste of low-fat foods.

Flexible Schedules Aid Health, Sleep

January 26, 2015 7:00 am | by Penn State Univ. | News | Comments

About 30 percent of U.S. adults reported not regularly getting a sufficient amount of sleep, a 2012 CDC survey found. Sleep deficiency has been linked to increased risk of automobile crashes, chronic disease and early mortality. Giving employees more control over their work schedules may help curb sleep deficiency.

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Prenatal Stress Affects Fetal Development

January 26, 2015 7:00 am | by Wiley | News | Comments

Stress hormones in the mother can affect fetal development. Researchers found that increased levels of glucocorticoid stress hormones in pregnant mice caused the mother to eat more but reduced the ability of the placenta to transport glucose to her fetus.

Daily Drinking Increases Cirrhosis Risk

January 26, 2015 7:00 am | by Elsevier Health Sciences | News | Comments

Approximately 170,000 people die from alcoholic cirrhosis of the liver in Europe every year. Although alcohol is the most important risk factor, less is known about the significance of different patterns of drinking. Now, investigators have established that alcohol drinking pattern has a significant influence on the risk of cirrhosis and that daily drinking increases that risk compared with drinking less frequently.

Tool Plots Future of Solar-fuel Refineries

January 23, 2015 3:00 pm | by Univ. of Wisconsin-Madison | News | Comments

The process of converting the sun’s energy into liquid fuels requires a sophisticated, interrelated series of choices. Now, scientists have outlined a tool to help engineers better gauge the overall yield, efficiency and costs associated with scaling solar-fuel production processes up into large-scale refineries.

New Drug Testing: One Dose, Then Surgery

January 23, 2015 3:00 pm | by Associated Press, Marilynn Marchione | News | Comments

Lori Simons took the bright orange pill at 3 a.m. Eight hours later, doctors sliced into her brain, looking for signs that the drug was working. She is taking part in one of the most unusual cancer experiments in the nation. With special permission from the FDA and multiple drug companies, a hospital is testing medicines very early in development and never tried on brain tumors before.

Device Lowers Blood Pressure Significantly

January 23, 2015 3:00 pm | by Queen Mary Univ. of London | News | Comments

A revolutionary device has been shown to significantly lower blood pressure among patients with uncontrolled high blood pressure, compared to those treated with usual drug measures. The device is a paper clip-sized implant that is inserted between the artery and vein in the upper thigh, in a procedure lasting around 40 minutes under local anesthetic.

Company Vows Replacement Pipeline Will Be Safer

January 23, 2015 3:00 pm | by Associated Press, Matthew Brown | News | Comments

A Wyoming company says it will replace a pipeline that broke and spilled oil into the Yellowstone River with a new line buried more deeply to protect against future accidents. The spill contaminated the water supply for 6,000 residents of Glendive, Montana.

Celiac Disease Tripled Among Kids in 20 Years

January 23, 2015 3:00 pm | by British Medical Journal | News | Comments

The evidence to date suggests that up to 1 percent of all children in the UK have blood markers for celiac disease, an autoimmune reaction to dietary gluten from wheat, barley and rye. While the numbers of new cases diagnosed in infants and toddlers remained fairly stable across all four countries, diagnoses among children older than two years almost tripled in the space of 20 years.

Are Arsenic Compounds in Edible Algae Stable?

January 23, 2015 7:00 am | by Universidad Politécnica de Madrid | News | Comments

Researchers have studied the stability of diverse arsenic species found in edible marine algae and have established the best conditions for their storage and preservation.

Salt Messes with the Brain

January 23, 2015 7:00 am | by McGill Univ. | News | Comments

While the link between salt and hypertension is well known, scientists haven’t understood how high salt intake increased blood pressure. Now, by studying the brains of rats, researchers have discovered that ingesting large amounts of dietary salt causes changes in key brain circuits.

Are Oranges or Orange Juice Better for You?

January 23, 2015 7:00 am | by ACS | News | Comments

Many health advocates advise people to eat an orange and drink water rather than opt for a serving of sugary juice. But, scientists are reporting that the picture is not clear-cut.

Today in Lab History: Gertrude Belle Elion

January 23, 2015 7:00 am | by Lily Barback, Associate Editor | News | Comments

Gertrude Belle Elion was born Jan. 23, 1918 in New York City. She was a biochemist and pharmacologist who received the Nobel Prize in Physiology or Medicine in 1988 for the development of drugs using methods of her own devising, which later led to the development of AZT, used to fight HIV/AIDS.

Comparing Organic With Conventional Milk is Apples to Apples

January 23, 2015 7:00 am | by Elsevier | News | Comments

Consumers perceive that organic cow milk differs from conventionally produced milk and that these differences justify the premium price for organic milk. But, in terms of nutrients in milk, there is nothing distinct about organic milk that makes it unique from conventionally produced milk once the different factors that influence milk production are taken into consideration.

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