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Anatomy of a microscopic wood chipper

Scientists at Vanderbilt University have made groundbreaking discoveries about the behavior of TrCel7a, a cellulase enzyme that breaks down cellulose. By studying the enzyme's movements and interactions with cellulose fibers, researchers found that it operates slowly but is self-propelling, powered by energy from cellulose bonds.

SourceVanderbilt University·JournalNature Communications·DateDec 10, 2015

Research looks at impact of hedge fund activism

Research found that hedge fund activism initially bolsters target companies but weakens competitors, potentially reducing innovation and consumer growth. Average investors are more likely to hold stock in competitor firms, which may face reduced investment in research and development.

SourceUniversity of Houston·JournalJournal of Financial Economics·DateDec 8, 2015

Tapping particles of light

Researchers have developed a mechanism to extract single photons from a stream, enabling practical applications in quantum communication. The discovery relies on a physical effect called single-photon Raman interaction, which allows for the selective capture of individual photons.

SourceWeizmann Institute of Science·JournalNature Photonics·DateNov 26, 2015

Rice wins $2.4 million to study many-antenna wireless

The research aims to investigate the feasibility of using many-antenna base stations to serve multiple users simultaneously, addressing scalability and interference issues. By leveraging ArgosNet, a custom-built experimental test bed, the team will advance MIMO technology to meet the 1,000x data challenge in 5G networks.

Scientific research is conservative but could be accelerated, analysis finds

Researchers analyzed millions of articles and patents to find that scientific research is often conservative, with scientists prioritizing established knowledge over risk-taking. However, they identified more efficient approaches that could unleash innovation, including a focus on exploring new connections and taking greater risks.

SourceUniversity of Chicago Medical Center·JournalProceedings of the National Academy of Sciences·DateNov 9, 2015

A new slant on semiconductor characterization

Researchers have developed a new mathematical method to characterize non-uniform semiconductors with improved efficiency and precision. The method measures electrical conductivity in a single piece of material using a magnetic field, revealing variations across the entire sample.

SourceNorthwestern University·JournalPhysical Review Letters·DateNov 5, 2015

Being moody may help us adapt to change

A new theory suggests that mood can aid adaptation to environmental changes by reflecting recent changes in reward availability. This effect may help explain the causes of mood disorders and predispose individuals to conditions like bipolar disorder.

SourceCell Press·JournalTrends in Cognitive Sciences·DateNov 3, 2015

Let your head do the talking

Researchers from McGill University found that people are highly accurate at judging emotions based on head movements alone, even without sound or facial expressions. This discovery could aid in the development of automated emotion recognition systems or human-interaction robots.

SourceMcGill University·JournalEmotion·DateOct 27, 2015