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Science News for July 26, 2012


Unique scientific collaboration reveals hard facts on European drug use

A collaborative research project analyzed raw sewage samples from 19 European cities, providing unique insights into illicit drug use patterns. The study found distinct temporal and spatial patterns in drug use across Europe, with cocaine use higher in Western and Central Europe and ecstasy loads highest in Dutch cities.

SourceElsevier·JournalThe Science of The Total Environment·DateJul 26, 2012

Should high-dose interleukin-2 continue to be the treatment of choice for metastatic melanoma?

A recent study published in Cancer Biotherapy and Radiopharmaceuticals suggests that high-dose interleukin-2 (IL-2) should continue to be the initial treatment for patients with stage IV metastatic melanoma. The researchers recommend intensive IL-2 therapy as a viable option, either alone or in combination with newer therapeutic agents.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalCancer Biotherapy and Radiopharmaceuticals·DateJul 26, 2012

Climate concerns

A team of Harvard researchers has found a connection between climate change, ozone depletion, and an increase in skin cancer incidence. The study suggests that climate change may lead to more damaging ultraviolet (UV) radiation reaching the Earth's surface, resulting in higher rates of skin cancer. The research also raises concerns abo...

SourceHarvard University·JournalScience·DateJul 26, 2012

Big horns trump smooth pickup lines every time

Elk and rhinoceros beetles use insulin to grow big horns and attract mates. A study by Michigan State University found that these traits are not handicaps, but rather honest indicators of quality. The research suggests that the males' insulin dependence provides a way for them to show off their strength and suitability as partners.

SourceMichigan State University·JournalScience·DateJul 26, 2012

Writing in cursive with your eyes only

Researchers develop a technology that tricks the neuromuscular machinery into producing smooth eye movements, allowing individuals with nearly complete limb paralysis to write in cursive. This breakthrough has significant implications for people with ALS and other conditions affecting eye movement control.

SourceCell Press·JournalCurrent Biology·DateJul 26, 2012

Controlling monkey brains and behavior with light

Scientists have successfully controlled monkey behavior using optogenetics by activating specific brain cells with blue light. This breakthrough could lead to the development of therapeutic treatments for neurological disorders such as Parkinson's disease and depression.

SourceCell Press·JournalCurrent Biology·DateJul 26, 2012

Deadly E. coli strain decoded

A team of researchers at Michigan State University has identified the secret to the deadly 2011 E. coli outbreak in Germany, attributing its lethality to biofilm formation. By targeting this mechanism, the researchers aim to potentially tame the killer bacteria.

SourceMichigan State University·JournalPLOS ONE·DateJul 26, 2012

A pulsar with a tremendous hiccup

Researchers identified a radio-quiet, very young pulsar J1838-0537 that experienced the strongest rotation glitch ever observed for a gamma-ray-only pulsar. The glitch resulted in a 38 millionths of a Hertz faster rotation rate.

SourceMax-Planck-Gesellschaft·JournalThe Astrophysical Journal Letters·DateJul 26, 2012

Decoding the secrets of balance

Researchers at McGill University have discovered that the brain processes information from the inner ear non-linearly, preferring unexpected changes in stimuli. This finding has significant implications for treating patients with vertigo and dizziness, and may lead to better treatments for balance disorders.

SourceMcGill University·JournalPLOS Biology·DateJul 26, 2012

Do ovaries continue to produce eggs during adulthood?

A new genetic study suggests that ovaries can form new eggs throughout adulthood, increasing the number of oocytes with age. This finding contradicts the long-held assumption that females are born with a fixed number of eggs and supports postnatal oocyte renewal in mammals.

SourcePLOS·JournalPLOS Genetics·DateJul 26, 2012

New stroke treatments becoming a reality

Researchers have identified a potential new treatment for stroke by demonstrating the effectiveness of Anakinra (IL-1Ra) in reducing brain damage. The drug blocks inflammation and microglia cell activation, which contribute to brain injury following a stroke.

SourceUniversity of Manchester·JournalJournal of Cerebral Blood Flow & Metabolism·DateJul 26, 2012

Microbes make 'clean' methane

Researchers create microbial factories to transform clean electricity from solar, wind, or nuclear power into renewable methane fuel. This approach could eliminate the need for fossil resources and produce eco-friendly alternatives like ethanol.

A further step towards preventing diabetes

Researchers at UNIGE have developed a new model to study the protein Cx36, which plays a crucial role in insulin production. By analyzing 1040 molecules, they aim to identify those that stimulate or inhibit insulin production, paving the way for new pharmacological treatment strategies for type 2 diabetes.

SourceUniversité de Genève·JournalPLOS ONE·DateJul 26, 2012

Switching the state of matter

Researchers at RIKEN have created a new transistor that uses electrostatic accumulation of charge on a strongly-correlated material to trigger bulk switching of electronic state. The device operates at room temperature and requires only 1V to switch the material from an insulator to a metal.

SourceRIKEN·JournalNature·DateJul 26, 2012

Teamwork against Benzene

Researchers from Helmholtz Centre for Environmental Research identified three teams of bacteria working together to degrade benzene, a highly toxic substance. By analyzing proteins, they shed light on the complex process, which could also apply to other bacterial cooperatives.

SourceHelmholtz Association·JournalThe ISME Journal·DateJul 26, 2012

The brightest stars don't live alone

A study using the VLT found that 75% of O-type stars are in binary systems, with a higher proportion of interacting pairs than previously thought. This discovery has profound implications for galaxy evolution, as these heavyweights play a key role in shaping galaxies through violent phenomena such as stellar mergers and gamma-ray bursts.

SourceESO·JournalScience·DateJul 26, 2012

Environmental groups should pool efforts to reach the public

A study suggests that environmental groups can collaborate to inform the public about environmental concerns, leading to improved efficiency and targeted messaging. By leveraging existing connections and seizing strategic opportunities, organizations can build public knowledge and empowerment in environmental decision-making.