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Science News for December 23, 2012


Study turns parasite invasion theory on its head

Researchers at Wellcome Trust Centre for Molecular Parasitology developed a new technique to knock out genes in the parasite's genome. The study found that removing specific genes did not prevent the parasite from invading host cells, suggesting alternative invasion strategies.

SourceWellcome Trust·JournalNature Methods·DateDec 23, 2012

Decision to give a group effort in the brain

In a study published in Nature Neuroscience, researchers discovered that three distinct brain areas work together to weigh the benefits of giving to oneself versus another monkey. The team found that neurons in the anterior cingulate gyrus (ACCg) encode both giving and receiving rewards in a remarkably similar way.

SourceDuke University·JournalNature Neuroscience·DateDec 23, 2012

Understanding cell organization to tackle cancer

Scientists have discovered a vital interplay between transport machinery and integrin receptors that ensures proteins are transported to the correct area of the cell. This understanding could lead to better diagnosis for cancer patients as it reveals how cells become disorganized in early stages of the disease.

SourceUniversity of Manchester·JournalNature Cell Biology·DateDec 23, 2012

'Molecular levers' may make materials better

Scientists have discovered a new type of molecular lever that can accelerate chemical reactions 1000 times faster than other molecules. This breakthrough has the potential to engineer more efficient materials with improved mechanical and thermal properties.

SourceDuke University·JournalNature Chemistry·DateDec 23, 2012