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Science
“#Could the answer to groundwater resources come from high in the sky?” A new technique developed by Berkeley Lab researchers pairs high-resolution images derived by satellite with advanced computer modeling to estimate aquifer volume change from observed ground deformation. The method could be particularly helpful to managing groundwater resources in drought-prone agricultural regions such as…
“#Matrix imaging: an innovation for improving ultrasound resolution” Conventional and matrix ultrasound images of a volunteer’s calf. Matrix correction of aberrations reveals structures that were previously invisible or had poor resolution in a conventional ultrasound (especially in the areas inside the white lines). Credit: Walter et al./PNAS In conventional ultrasounds, variations in soft tissue structure…
“#City compost programs turn garbage into ‘black gold’ that boosts food security and social justice” Good-quality soil (right) looks, feels and smells different from degraded soil (left). Credit: Sue Ishaq, CC BY-ND Almost overnight, the COVID-19 pandemic has transformed many Americans’ relationships with food. To relieve some of the stress associated with shopping safely for…
“#Paying for coronavirus will have to be like war debt – spread over generations” The macroeconomic shock to the world economy from the COVID-19 pandemic is arguably unprecedented in modern times. The financial response by governments of the major economies has been substantial. The Center for Strategic and International Studies estimates that the G20 had deployed…
“#First space tourists will face big risks, as private companies gear up for paid suborbital flights” On May 30, 2020, millions of Americans watched the inaugural SpaceX Crew Dragon launch NASA astronauts to the International Space Station. This mission marked two significant events: First, the return of launch to orbit capability for human spaceflight from…
“#How dashcams help and hinder forensics” A view of a road from a dashcam replayer. Credit: WMG, University of Warwick Dashcams are vital for helping police investigate car incidents, however the way the footage is submitted to police, managed and processed can cause problems. A researcher at WMG, University of Warwick has assessed seven different…
“#’Matador’ guppies trick predators” A female guppy with black irises. Credit: Jolyon Troscianko Trinidadian guppies behave like matadors, focusing a predator’s point of attack before dodging away at the last moment, new research shows. The tiny fish (10-40mm) draw attention by turning their irises black, which makes their eyes very conspicuous. This encourages pike cichlids—a…
“#Denisovan DNA influences immune system of modern day Oceanian populations” Credit: CC0 Public Domain More than 120,000 novel human genetic variations that affect large regions of DNA have been discovered, some of which are linked to immune response, disease susceptibility or digestion. Scientists at the Wellcome Sanger Institute identified these changes affecting multiple bases of…
“#An ion channel senses cell swelling and helps cells to choose a response” Credit: CC0 Public Domain After a dry spell, a rainy day can feel rejuvenating. But for plants, a downpour can mean trouble. Faced with water suddenly rushing into its tissues, a plant must control its cells’ volume or risk them exploding. New…
“#Ancient crocodiles walked on two legs like dinosaurs” A reconstruction of the ancient landscape of South Korea with crocodile track-makers. Credit: Dr Anthony Romilio An international research team has been stunned to discover that some species of ancient crocodiles walked on their two hind legs like dinosaurs and measured over three meters in length. University…