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Science News for March 18, 2011


Scientists find candidate for new TB vaccine

Researchers identified a protein called EspC that triggers a stronger immune response in people infected with TB bacteria, making it a promising new vaccine candidate. The protein could also be used to improve diagnosis of TB and underpin next-generation diagnostic blood tests.

SourceImperial College London·JournalProceedings of the National Academy of Sciences·DateMar 18, 2011

Can biochar help suppress greenhouse gases?

A new study found that biochar can significantly reduce nitrous oxide emissions from intensive grazing systems. The research, conducted in New Zealand, showed a 70% decrease in nitrous oxide fluxes when biochar was added to the soil. This effect was attributed to reduced ammonia formation and its adsorption onto biochar.

SourceAmerican Society of Agronomy·JournalJournal of Environmental Quality·DateMar 18, 2011

Is space like a chessboard?

Physicists at UCLA found that dividing space into discrete locations like a chessboard explains how point-like electrons manage to carry their intrinsic angular momentum. This concept, inspired by graphene's electronic properties, proposes that space at very small distances is segmented, rather than smooth.

SourceUniversity of California - Los Angeles·JournalPhysical Review Letters·DateMar 18, 2011

Electronic medical records improve quality of care in resource-limited countries

A new study conducted in Eldoret, Kenya found that computer-generated reminders about overdue tests yielded a nearly 50% increase in the appropriate ordering of CD4 blood tests. This improvement in quality of care was made possible through the implementation of just-in-time clinician support within electronic medical records.

SourceIndiana University School of Medicine·JournalJournal of the American Medical Informatics Association·DateMar 18, 2011

Multiple sclerosis: Risk factors in children

A study published in Neurology has found that children with a specific gene variation are at higher risk of developing Multiple Sclerosis. The research identifies the HLA-DRB1 allele as a key factor in pediatric-onset MS, which can provide insights into disease causes and potentially lead to earlier diagnoses and new therapies.

SourceMcGill University·JournalNeurology·DateMar 18, 2011

An icy gaze into the Big Bang

Researchers at the University of Innsbruck have successfully produced controlled strong interactions between two fermionic elements, exhibiting analogies to the Big Bang's primordial substance. The experiment opens new avenues for investigating cosmic phenomena and novel states of matter in solid-state physics.

SourceUniversity of Innsbruck·JournalPhysical Review Letters·DateMar 18, 2011

Enhancing the magnetism

Researchers at Berkeley Lab have enhanced spontaneous magnetization in special versions of bismuth ferrite, creating a stable nanoscale mixture of rhombohedral and tetragonal phases. This allows for electric control of magnetization at room temperature, opening the door to spintronic devices.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Communications·DateMar 18, 2011