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ScienceDaily: Top Health News |
| Study examines movement in children with autism Posted: 03 May 2021 02:28 PM PDT Researchers have used real-time 3D animation to investigate motor impairments in children who have autism spectrum disorder (ASD). The study found that when teaching or coaching new movements to an individual with autism, the teacher or coach needs to understand the individual with autism's specific motor learning characteristics. |
| Posted: 03 May 2021 02:28 PM PDT Researchers have created an open-source online suite of computational models that will help scientists rapidly screen small molecules for their potential COVID-fighting properties. |
| Using social values for profit cheapens them, a new study cautions Posted: 03 May 2021 02:28 PM PDT Businesses sometimes align themselves with important values such as a clean environment, feminism, or racial justice, thinking it's a win-win: the value gets boosted along with the company's bottom line. But be careful, warns new research. Using these values primarily for self-interested purposes such as profit or reputation can ultimately undermine their special status and erode people's commitment to them. |
| Solar development: Super bloom or super bust for desert species? Posted: 03 May 2021 02:28 PM PDT A study of a rare and common desert plant indicates solar development in the desert may impact rare species more. It also demonstrates the importance of taking the time to understand the ever-changing desert ecosystem before irrevocably changing it. |
| Intranasal influenza vaccine enhances immune response and offers broad protection Posted: 03 May 2021 12:13 PM PDT An influenza vaccine that is made of nanoparticles and administered through the nose enhances the body's immune response to influenza virus infection and offers broad protection against different viral strains, according to new research. |
| Human organ chips enable COVID-19 drug repurposing Posted: 03 May 2021 11:47 AM PDT Emulating the human lung airway in vitro identified the SARS-CoV2-inhibiting effects of the antimalarial drug amodiaquine, which is now in COVID-19 clinical trials. |
| Flexible, easy-to-scale nanoribbons move graphene toward use in tech applications Posted: 03 May 2021 11:47 AM PDT Silicon-based fiber optics are currently the best structures for high-speed, long distance transmissions, but graphene -- an all-carbon, ultra-thin and adaptable material -- could improve performance even more. |
| Human behavior must be factored into climate change analyses Posted: 03 May 2021 10:56 AM PDT A new Cornell University-led study examines how temperature affects fishing behavior and catches among inland fisher households in Cambodia, with important implications for understanding climate change. |
| Short-term exposure to air pollution may impede cognition; Aspirin could help Posted: 03 May 2021 10:56 AM PDT Exposure to air pollution, even over the course of just a few weeks, can impede mental performance, according to a new study. However, these adverse effects were lessened in people taking nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin. The study is among the first to explore short-term air pollution exposures and the use of NSAIDs to mitigate their effects. |
| Genetics, not the intrauterine environment, controls abnormal development Posted: 03 May 2021 08:39 AM PDT Researchers have shown that developmental abnormalities, including those that lead to pregnancy loss, are controlled by the genetics of the fetus and placenta -- and not the mother's intrauterine environment. |
| Need to vent? Turn to real-life support, not social media Posted: 03 May 2021 07:46 AM PDT Research compares effectiveness of seeking social support in real-life versus over social media. |
| Research with neutrons for better mRNA medicines Posted: 03 May 2021 07:00 AM PDT mRNA can be used to produce much more than just vaccines. Around 50 different procedures for the treatment of diseases including cancer are already being studied in clinical trials. Scientists have now discovered how the subcutaneous administration of mRNA can be improved. The goal is for chronically ill patients to be able to self-administer the medication on a regular basis. |
| Tailor-made therapy of multi-resistant tuberculosis Posted: 03 May 2021 07:00 AM PDT The successful treatment of multidrug-resistant tuberculosis requires clarification in advance as to which antibiotics the pathogens are resistant to. Classic testing is very time-consuming and delays the start of therapy. Researchers have now prepared a catalogue of all mutations in the genome of tuberculosis bacteria and on the basis of a genome sequencing can quickly and cheaply predict which medicines are most effective for tuberculosis treatment. |
| Cube-shaped iron-sulfur clusters support multiple bond between iron and nitrogen Posted: 03 May 2021 07:00 AM PDT In a number of biological processes, iron-sulfur clusters play a vital role, where they act as cofactors to enzymes. Research now shows that cubic clusters can support unusual bonding states. This study shows that the cluster copes well with a multiple bond between iron and nitrogen -- a structural motif that may be involved in biological nitrogen fixation. |
| Natural immunity to malaria provides clues to potential therapies Posted: 03 May 2021 06:35 AM PDT Researchers have identified how natural human antibodies can block malaria parasites from entering red blood cells, potentially indicating how new protective therapies could be developed against this globally significant disease. The research provides greater insight into how antibodies block the entry of Plasmodium vivax malaria parasites into young red blood cells called reticulocytes. It builds on an earlier discovery that the P. vivax latches onto the transferrin receptor 1 (TfR1) to enter cells. |
| Scientists invent catheter system to deliver electricity-activated glue path Posted: 03 May 2021 06:35 AM PDT Researchers have developed a device that offers a quicker and less invasive way to seal tears and holes in blood vessels, using an electrically-activated glue patch applied via a minimally invasive balloon catheter. |
| A physics perspective on wound healing Posted: 03 May 2021 06:35 AM PDT In material physics understanding how systems interact across the interfaces separating them is of central interest. But can physical models clarify similar concepts in living systems, such as cells? Physicists used the framework of disordered elastic systems to study the process of wound healing - the proliferation of cell fronts which eventually join to close a lesion. Their study identified the scales of the dominant interactions between cells which determine this process. |
| Researchers promote usability for everyone, everywhere Posted: 03 May 2021 06:09 AM PDT Researchers discuss how bad user design is especially detrimental to the underprivileged and how a wider usability movement can help 'everyone, everywhere.' |
| Applying UV light to common disinfectants makes them safer to use, study finds Posted: 03 May 2021 06:09 AM PDT Over 400 common disinfectants currently in use could be made safer for people and the environment and could better fight the COVID-19 virus with the simple application of UVC light, a new study shows. |
| Volunteer firefighters have higher levels of 'forever chemicals' Posted: 03 May 2021 05:37 AM PDT Volunteer firefighters -- who comprise more than 65 percent of the U.S. fire service -- have higher levels of 'forever chemicals,' per- and polyfluoroalkyl substances (PFAS), in their bodies than the general public, according to a new study. It is the first study to evaluate volunteer firefighters' exposure to PFAS. |
| Three ways to improve scholarly writing to get more citations Posted: 02 May 2021 05:32 AM PDT To make a greater impact, scholars need to overcome the curse of knowledge so they can package their ideas with concrete, technical, and active writing. |
| Novel coronavirus' spike protein plays additional key role in illness Posted: 30 Apr 2021 09:04 AM PDT A new study shows that COVID-19 is a vascular disease, demonstrating exactly how the SARS-CoV-2 virus damages and attacks the vascular system on a cellular level. The findings help explain COVID-19's wide variety of seemingly unconnected complications, and could open the door for new research into more effective therapies. |
| Prior SARS-CoV-2 infection boosts response to variants after first vaccine dose Posted: 30 Apr 2021 09:03 AM PDT A single dose of vaccine boosts protection against SARS-CoV-2 coronavirus variants, but only in those with previous COVID-19, a study has found. |
| New brain-like computing device simulates human learning Posted: 30 Apr 2021 06:32 AM PDT Researchers developed new synaptic transistors that can mimic the human brain's plasticity by simultaneously processing and storing data. After connecting transistors into a device, researchers conditioned it to associate light with pressure -- similar to how Pavlov's dog associated a bell with food. |
| How SARS-CoV-2 hijacks human cells to evade immune system Posted: 29 Apr 2021 11:26 AM PDT Researchers discovered one way in which SARS-CoV-2 hijacks human cell machinery to blunt the immune response, allowing it to establish infection, replicate and cause disease. |
| New, rapid CRISPR/Cas9 method identifies key genes in zebrafish spinal cord regeneration Posted: 29 Apr 2021 11:19 AM PDT A new, rapid screening approach uses CRISPR/Cas9 technology to identify immune system-related genes that play a crucial role in repairing zebrafish spinal cord injuries. |
| Low risk of infection in babies born to mothers with COVID-19, study finds Posted: 29 Apr 2021 08:24 AM PDT Researchers have studied newborn babies whose mothers tested positive for SARS-CoV-2 during pregnancy or childbirth. The results show that although babies born of test-positive mothers are more likely to be born early, extremely few were infected with COVID-19. |
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