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Science News for March 29, 2018


What stops mass extinctions?

Researchers found that frogs surviving the chytridiomycosis epidemic developed stronger defenses against the fungus, inhibiting its growth. However, captive breeding programs face challenges in replicating these findings, highlighting the need for further research on disease dynamics and host resistance.

Polymers that mimic chameleon skin

Researchers have developed a biocompatible synthetic material that replicates tissue mechanics and alters color when it changes shape, like chameleon skin. The material is composed of a unique triblock copolymer with carefully selected structural parameters, exhibiting flexibility, strain profile, and optical properties.

SourceCNRS·JournalScience·DateMar 29, 2018

Flipping lipids for cell transport-tubules

Researchers developed a process to observe lipid-flipping enzymes' activity in conjunction with membrane deformation. They found that ATP10A enzyme flips phosphatidylcholine lipids, causing curvature changes that trigger tubule formation, enhancing endocytosis and membrane dynamics.

SourceKyoto University·JournalThe EMBO Journal·DateMar 29, 2018

The limits of friction

A team of physicists from Konstanz and Italy successfully suppressed static friction between two surfaces using a colloidal monolayer. This allows for the use of extremely small forces to move objects, greatly improving efficiency in micro- and nanomechanical systems.

SourceUniversity of Konstanz·JournalPhysical Review X·DateMar 29, 2018

Slow, steady waves keep brain humming

New study reveals that ultra-slow waves are not just noise in the brain, but a fundamental process that coordinates complex brain activity. The waves enhance electrical activity in areas and persist even under anesthesia, suggesting they may be linked to consciousness.

SourceWashU Medicine·JournalNeuron·DateMar 29, 2018

Making a leap from high-ability high school to college of lesser academic status can be a real downer

Undermatching students from high school to college show significant depression symptoms, highlighting the impact of school ability transitions on mental well-being. Researchers found that downward transitions are linked to depression at levels similar to background factors, suggesting a need for counselors to consider school environmen...

SourceBaylor University·JournalYouth & Society·DateMar 29, 2018

Workstation research could simplify jobs

A new research project led by Clemson University's Sara Riggs aims to create technology on workstations that can adapt to individual workers depending on the person, context, and environment. The goal is to make jobs easier, enable more people with disabilities to work, and retain them once employed.

Walleye fish populations are in decline

A study published in the Canadian Journal of Fisheries and Aquatic Sciences found that walleye production in Wisconsin lakes decreased by 27% between 1990 and 2012. Climate change, habitat degradation, and harvest rates are likely contributing factors to the decline.

SourceUniversity of California - Davis·JournalCanadian Journal of Fisheries and Aquatic Sciences·DateMar 29, 2018

Kidney dysfunction contributes to severe malaria

A new study finds that kidney dysfunction is a contributing factor to severe malaria cases caused by Plasmodium vivax parasites. Elevated creatinine levels were associated with increased disease severity and mortality, while certain immune molecules could predict outcome in patients.

SourcePLOS·JournalPLOS Neglected Tropical Diseases·DateMar 29, 2018

SAGE Ocean announces its first ever concept grant winners

The SAGE Ocean Concept Grant Program has awarded over $100,000 in funding to support the development of new tools that enable social scientists to work with big data. The winners include Quanteda Studio, MiniVAN, and Digital DNA Toolbox, which aim to make text analytics and network analysis more accessible to non-specialist researchers.

SourceSAGE·DateMar 29, 2018

Tumor suppressor protein targets liver cancer

Researchers identified a tumor suppressor protein called LHPP that can help diagnose and monitor liver cancer. Reintroducing LHPP into the liver of model mice prevented tumor formation, suggesting its potential as a new therapeutic approach for treating liver cancer.

SourceSalk Institute·JournalNature·DateMar 29, 2018

Mice 'eavesdrop' on rats' tear signal

Researchers have discovered that rat tear proteins can be detected in mice, triggering a defensive response in the rodents' brains. The proteins, produced by male rats, activate receptors in the mouse vomeronasal organ, prompting the animals to stop moving and drop their body temperature.

SourceCell Press·JournalCurrent Biology·DateMar 29, 2018

Dolphins tear up nets as fish numbers fall

New research reveals that dolphins are not only being accidentally caught in fishing nets but may be actively seeking them out for food. The study found that acoustic deterrents were ineffective and may even attracted more dolphins, highlighting the need for effective fish stock management to break the vicious cycle of overfishing.

SourceUniversity of Exeter·JournalHuman Ecology·DateMar 29, 2018

The Sahara Desert is expanding

A new UMD study reveals the Sahara Desert has expanded by 10% since 1920, primarily driven by human-caused climate change. The research also suggests other deserts may be expanding, posing significant implications for global food security and ecosystems.

SourceUniversity of Maryland·JournalJournal of Climate·DateMar 29, 2018

Is your Easter egg bad for the environment?

A recent study by the University of Manchester found that the UK chocolate industry has a significant environmental impact, with high greenhouse gas emissions and water usage. The study estimates that the industry produces around 2.1m tonnes of GHG annually, equivalent to the annual emissions of a city as large as Belfast.

SourceUniversity of Manchester·JournalFood Research International·DateMar 29, 2018

Twisting graphene into spirals

Kansai researchers successfully synthesized hexa-peri-hexabenzo[7]helicene, the first helically twisted chiral graphene. The discovery offers promising applications in nanomechanics and has unique electronic structure properties.

SourceKyoto University·JournalJournal of the American Chemical Society·DateMar 29, 2018

What a mesh

Researchers have developed a method to create linked networks of metal oxides that can improve their ability to catalyze chemical reactions or harvest energy from light. This new material has potential applications in various fields, including catalysis and electronics.

Scientists penalized by motherhood

A study by Cornelia Lawson et al. reveals female scientists with young children receive less funding and citation rates compared to their male counterparts. The researchers highlight the need for support systems for women with childcare responsibilities.