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“#Scientists carry out first space-based measurement of neutron lifetime” Artist impression of NASA MErcury Surface, Space ENvironment, GEochemistry, and Ranging MESSENGER spacecraft in orbit at Mercury. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington Scientists have found a way of measuring neutron lifetime from space for the first time—a discovery that could teach…
“#Free online tool will enable farmers to deliver environmental benefits” Suitability of land for a particular agri-environment option is shown on the E-Planner tool through colour shading, ranging from red being very suitable to dark blue, unsuitable. Credit: UKCEH A free web-based support tool will enable farmers to deliver environmental improvements and potentially attract payments…
“#Soil biology research can help create a more sustainable future” Soil is a natural resource comprised of solids, liquids and gases that is found on the land surface. Credit: Ru. Hartnop, from the Global Soil Biodiversity Atlas Soils are home to more than 25 percent of the earth’s total biodiversity, supporting life on land and…
“#Smallest cavity for light realized by graphene plasmons” Artistic illustration of the light compressed below the silver nanocubes randomly placed over the graphene-based heterostructure. Credit: Matteo Ceccanti Miniaturization has enabled technology like smartphones, health watches, medical probes and nano-satellites, all unthinkable a couple decades ago. Just imagine that in the course of 60 years, the…
“#Simulations reveal interplay between scent marking and disease spread” Credit: CC0 Public Domain In a new mathematical model that bridges animal movement and disease spread, territorial behaviors decreased the severity of potential disease outbreaks—but at the cost of increased disease persistence. Lauren White of the University of Maryland’s National Socio-Environmental Synthesis Center, Annapolis, MD, and…
“#Tiny pump builds polyrotaxanes with precision” Northwestern University researchers have developed the most precise way to build polyrotaxanes, a mechanically locked polymer for slide-ring gels, battery electrode materials and drug-delivery platforms. A necklace-like molecule made with rings threaded onto a polymer string, polyrotaxanes are notoriously difficult to construct. A new method from the laboratory of…
“#Scientists detect unexpected widespread structures near Earth’s core” Earthquakes send sound waves through the Earth. Seismograms record the echoes as those waves travel along the core-mantle boundary, diffracting and bending around dense rock structures. New research from University of Maryland provides the first broad view of these structures, revealing them to be much more widespread…
“#Recovery of sea otter populations yields more benefits than costs” Sea otter in British Columbia. Credit: James Thompson Since their reintroduction to the Pacific coast in the 1970s, the sea otters’ rapid recovery and voracious appetite for tasty shellfish such as urchins, clams and crabs has brought them into conflict with coastal communities and fishers,…
“#More than 1000 tons of plastic rains into western US protected lands annually” Researchers examined filters from field sites in several national parks and wilderness areas and did visual counts of microplastic beads and fragments deposited by wind and precipitation. The pennies are used to hold each filter in place on the microscope stage. Credit:…
“#Lab turns fluorescent tags into cancer killers” The design of thio-based photosensitizers, at left, by Rice University chemists shows promise for photodynamic cancer therapy, among other applications. One thiocarbonyl substitution — trading an oxygen atom for a sulfur atom — of a variety of fluorophores can dramatically enhance their ability to generate reactive oxygen species…