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Science News for February 19, 2012


Deadly carbon monoxide prevents miscarriage

Researchers discovered that low-dose carbon monoxide therapy restored placental function, preventing fetal death and growth restriction. The treatment also showed anti-inflammatory properties and increased levels of vascular endothelial growth factor, promoting blood vessel repair.

SourceBMC (BioMed Central)·JournalMedical Gas Research·DateFeb 19, 2012

A surprising molecular switch

Researchers at the Stowers Institute have discovered a new mechanism controlling cell polarity in yeast. An enzyme called flippase flips phospholipids to create a polarized membrane, with all molecules involved found in both yeast and mammalian cells. This discovery opens up avenues for studying human diseases.

SourceStowers Institute for Medical Research·JournalNature Cell Biology·DateFeb 19, 2012

A step toward better electronics

Researchers at Northwestern University have created a new method to oxidize graphene, overcoming the material's zero band-gap issue. The reversible oxidation process enables tunability of electronic properties, paving the way for high-performance applications.

SourceNorthwestern University·JournalNature Chemistry·DateFeb 19, 2012

Scientists prove Turing's tiger stripe theory

Researchers have provided experimental evidence confirming Alan Turing's 1950s theory on how biological patterns such as tiger stripes are formed. The study identifies the specific morphogens involved in this process, including FGF and Shh, and demonstrates a mechanism that is widely relevant in vertebrate development.

SourceKing's College London·JournalNature Genetics·DateFeb 19, 2012

Single-atom transistor is 'perfect'

Researchers at University of New South Wales create perfect single-atom transistor for unparalleled computational efficiency, marking significant step towards quantum computer development. The device's precise accuracy and electronic characteristics match theoretical predictions, paving the way for future technological innovations.

SourceUniversity of New South Wales·JournalNature Nanotechnology·DateFeb 19, 2012