Tech
New research by University of Delaware doctoral student Zhangxian Ouyang and oceanographer Wei-Jun Cai, and an international team of researchers, demonstrates that rapid warming and sea-ice loss have induced major changes in the western Arctic Ocean.
The research team's findings -- published Monday, June 15 in Nature Climate Change -- show that the Arctic Ocean's ability to remove carbon dioxide from the atmosphere can vary greatly depending on location.
Northwestern University synthetic biologists have developed a new rapid-prototyping system to accelerate the design of biological systems, reducing the time to produce sustainable biomanufacturing products from months to weeks.
DURHAM, N.C. - Engineers from Duke University have developed a comprehensive new model of deep-seated landslides and demonstrated that it can accurately recreate the dynamics of historic and current landslides that occur under various conditions.
(LOS ANGELES) - In the TV series Westworld, human body parts are built on robotic frames using 3D printers. While still far from this scenario, 3D printers are being increasingly used in medicine. For example, 3D printing can be used to produce parts of the body such as orthopedic joints and prosthetics, as well as portions of bone, skin and blood vessels. However, the majority of these tissues are created in an apparatus outside of the body and surgically implanted.
What The Study Did: This survey study looked at perceptions of the harms of electronic cigarettes compared to regular cigarettes among current smokers in England before and after the U.S. outbreak of vaping-associated lung injury in 2019. Misperceptions that e-cigarettes are at least as harmful to health as regular cigarettes may dissuade smokers who are unable or unwilling to stop using nicotine from switching to e-cigarettes.
Authors: Harry Tattan-Birch, M.Sc., of University College London, is the corresponding author.
Kaare Hartvig Jensen and his colleagues at DTU Physics had repeated experiences where the small glass pipettes they use to extract fluid from plant cells broke upon contact with the cell wall. This annoyed the researchers and aroused their interest in similar pointed objects in nature that do not break when used. That includes thorns on plants such as cacti and nettles or the stings and spines of many insects, algae, hedgehogs, and other animals.
Biomarkers to support the diagnosis of frontotemporal lobar degeneration (FTLD) and to assess the severity and expected prognosis of the disease are needed. Neurofilament light chain (NfL) measured from a blood sample strongly correlates with the duration of the disease in FTLD patients and the rate of brain atrophy, according to a new study published by the University of Eastern Finland in the Annals of Clinical and Translational Neurology.
Batteries belongs to everyday life. A classical battery, the Volta´s pile, converts chemical energy into a voltage, which can power electronic circuits. In many quantum technologies, circuits or devices are based on superconducting materials. In such materials, currents may flow without the need of an applied voltage; therefore, there is no need for a classical battery in such a system. These currents are called supercurrents because they do not exhibit any energy losses.
Scientists review the metallogenesis and challenges of porphyry copper systems above subduction zone
As a typical magmatic hydrothermal metallogenic system, the porphyry copper (molybdate - gold) deposit is the most representative metallogenic type above the plate subduction zone, and has a very important economic value. Recently, the research progress of porphyry copper deposits has been reviewed in Science China: Earth Sciences, namely the latest progress and key scientific problems in the formation mechanism of porphyry copper deposits.
A recent research find indicates that climate change increases the functional diversity of microbes living in streams. Consequently, climate change may, in certain cases, be beneficial to ecosystems.
The functional genes of microbes and their sufficient diversity are important indicators of the efficiency of ecosystem processes. Bacteria, single-celled fungi and other microbes are an essential element of the nutrient cycle, and their functional diversity boosts the decomposition of organic carbon.
Russian and Danish researchers have made a first-ever experimental observation of a plasmon nanojet. This physical phenomenon enables nanoscale focusing of light and, theoretically, allows engineers to bypass one of the fundamental limitations of the ordinary converging lens. Tight compression of light waves is necessary to use them as signal carriers in compact devices that would work much faster than today's electronics. The study comes out in the June 15 issue of Optics Letters.
PROVIDENCE, R.I. [Brown University] -- In 1972, physicists J. Michael Kosterlitz and David Thouless published a groundbreaking theory of how phase changes could occur in two-dimensional materials. Experiments soon showed that the theory correctly captured the process of a helium film transitioning from a superfluid to a normal fluid, helping to usher in a new era of research on ultra-thin materials, not to mention earning Kosterlitz, a professor at Brown University, and Thouless shares of the 2016 Nobel Prize in Physics.
How's the weather on Mars? Tough on rovers, but very good for generating and moving highly reactive chlorine compounds. New research from Washington University in St. Louis planetary scientists shows that Martian dust storms, like the one that eventually shut down the Opportunity rover, drive the cycle of chlorine from surface to atmosphere and may shed light on the potential for finding life on Mars.
Romosozumab is a bone-forming monoclonal antibody used in women after menopause for the treatment of severe osteoporosis if there is a high risk of bone fractures. Having been granted approval for this therapeutic indication by the European Medicines Agency in December 2019, it has been available on the German market since March 2020.
PHOENIX, Ariz. -- June 15, 2020 -- Could remnants of DNA from a now extinct human subspecies known as the Denisovans help boost the immune functions of modern humans?
An international study co-led by the Translational Genomics Research Institute (TGen), an affiliate of City of Hope, and published in the scientific journal PLOS Genetics, represents the first characterizations of genes in the DNA of healthy individuals from geographically and genetically distinct populations in Indonesia.