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Science News Archive 2021


Page 225 of 510

'Zombie cells' hold clues to spinal cord injury repair

A study published in Cell Reports has shown that administration of senolytic drugs targeting 'zombie cells' in the scar tissue surrounding spinal cord injuries improves functional recovery. The zombie cells are senescent cells with interrupted growth and division but not programmed cell death, which persist in mammals and contribute to...

Wildfire detection takes flight

A network of ground-based sensors paired with drones can significantly shorten wildfire detection time, giving firefighters a better chance to control the fire. The technology is complementary to satellite imaging and suitable for high-risk regions near human settlements and national parks.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Studies add to concern about climate tipping

Two model studies document the probability of climate tipping in Earth subsystems, supporting the urgency of restricting CO2 emissions. The findings suggest that abrupt climate changes might be less predictable and more widespread than anticipated, with potential consequences for Western Europe's climate.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Shining a light on methane transformation

Researchers from the University of Pittsburgh have developed a new method to convert methane into valuable chemicals using photocatalysts, reducing greenhouse gas emissions and waste. The process uses light as an energy source to break down methane bonds, creating fuel and chemical products.

An 'instruction' to the crocodylian skull

Scientists from St Petersburg University describe the detailed structure of crocodylian braincases, revealing evolutionary features that enabled powerful jaws. The study resolves long-standing contradictions in the genealogical tree of reptiles and sheds light on developmental mechanisms behind the akinetic skull structure.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Memory making involves extensive DNA breaking

A new study found that memory formation causes neurons to break their DNA, leading to changes in gene expression and potentially undermining brain health with age. The study also discovered that glia play a significant role in establishing memories from fear conditioning.

New warning on teen sleep

A recent study published in SLEEP found that teenagers who slept only five hours per night experienced significant depression, anger, and confusion. In contrast, those who slept ten hours reported increased happiness. The study highlights the importance of sufficient sleep for adolescents to mitigate mood deficits.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Patently harmful: Fewer female inventors a problem for women's health

Research at McGill University found that patented biomedical inventions created by women are more likely to benefit women's health, addressing conditions like breast cancer and postpartum preeclampsia. However, female inventors face significant barriers, including lower commercialization rates and biases in early-stage feedback.

UT Southwestern scientists closing in on map of the mammalian immune system

Researchers used a machine-learning algorithm to identify novel gene candidates associated with immune traits in mice, including 101 new genes with over 95% chance of being required for immunity. The study's software, Candidate Explorer, helps predict causation of mutations and has already verified hundreds of genes with novel functions.

How racial wage discrimination of football players ended in England

A new study found that racial wage discrimination against black English football players disappeared after the Bosman ruling introduced a free transfer market, increasing labour mobility. However, non-EU players still face wage discrimination due to restrictive contracting rules and prejudice from clubs.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

$10M grant funds study of dairy's carbon footprint

A $10 million grant from The Foundation for Food & Agriculture Research will support a six-year project to measure dairy farming's greenhouse gas footprint and develop strategies to reduce emissions. The study aims to make the US dairy industry carbon neutral while supporting farmer livelihoods.

Setting COVID-19 drug trials up for success

A new modeling study suggests that randomization and early recruitment in COVID-19 clinical trials can help identify effective antiviral drugs. The researchers found that timing of treatment initiation also plays a crucial role, with treatments administered within the first day of symptom onset showing improved outcomes.

New risk model may improve the prediction of preterm birth

A new risk prediction model may improve the prediction of impending spontaneous preterm birth, reducing unnecessary hospital admissions and treatment costs. The model combines clinical risk factors with vaginal fluid fetal fibronectin concentration analysis, showing promising performance in predicting preterm birth within seven days.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Developing new techniques to build biomaterials

Scientists at the University of Leeds have developed an approach to control the structure and mechanics of synthetic biomaterials made from proteins. By removing specific chemical bonds, known as 'protein staples,' they altered the structure of a protein network, resulting in different mechanical properties.

Cardiovascular disease -- Atherosclerosis and the immune system

A study by Ludwig-Maximilians-Universität München's researchers found that the CD40L/CD40 interaction plays a crucial role in atherogenesis. The team showed that inhibition of this interaction can reduce atherosclerosis-associated clot formation and stabilize plaques, offering new therapeutic strategies for cardiovascular disease.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Adult ADHD is linked to numerous physical conditions

A large register-based study found adults with ADHD at higher risk of various physical conditions, particularly nervous system, respiratory, musculoskeletal, and metabolic diseases. The strongest associations were seen for alcohol-related liver disease, sleep disorders, and obesity.

Safe nurse staffing standards in hospitals saves lives and lowers costs

A new study found that establishing safe nurse staffing standards in hospitals in Chile could significantly improve patient outcomes and reduce healthcare costs. The research revealed that private hospitals had better nurse-to-patient ratios than public hospitals, resulting in lower avoidable deaths and hospital readmissions.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

New fossil sheds light on the evolution of how dinosaurs breathed

A 200-million-year-old South African dinosaur, Heterodontosaurus tucki, breathed by expanding its chest and belly, unlike birds which use air sacs. This discovery sheds light on the evolution of how dinosaurs breathed and could help paleontologists understand what features allowed certain species to survive or go extinct.

Bacterial survival kit to endure in soil

Acidobacteria use low-affinity terminal oxidases to 'breathe' oxygen at nanomolar concentrations, challenging traditional assumptions. These microbes also scavenge atmospheric hydrogen to survive nutrient-poor periods, playing a central role in soil microbial communities and ecological balance.

Fecal transplant plus fibre improves insulin sensitivity in severely obese

A double-blind, randomized trial found that patients with severe obesity and metabolic syndrome had improved insulin sensitivity after receiving a fecal microbial transplant followed by daily fibre supplements. The study, led by Professor Karen Madsen, suggests that the microbiome can be targeted to improve human health.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Men with low testosterone more likely to die from Covid-19

Research shows that men with symptomatic Covid-19 and low testosterone are more likely to become severely ill and die. The lower the testosterone levels, the higher the likelihood of severe illness and death, according to a study presented at the European Association of Urology congress.

Study finds boys' dislike for reading fiction is actually fiction!

A new study reveals that boys in Australia prefer reading fiction more than non-fiction, with over half expressing high enjoyment for story books. The findings have significant implications for literacy agendas and teacher strategies to promote reading enjoyment among all students.

Personalized medicine for cats with heart disease

Researchers at UC Davis discovered that a cat's DNA influences its response to clopidogrel, a common medication for hypertrophic cardiomyopathy (HCM) in cats. Nearly 20% of cats showed resistance to the therapy, highlighting the need for personalized medicine.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Cast no better than brace for broken ankles

A clinical trial found that casts are not more effective than removable braces for treating broken ankles, with patients reporting similar levels of pain and functionality. The choice between the two should be down to cost and patient preference.

Engineered cells successfully treat cardiovascular and pulmonary disease

Scientists at UCSF have shown that gene-edited cellular therapeutics can effectively treat major diseases such as peripheral artery disease, chronic obstructive pulmonary disease, and heart failure. The study used specially engineered induced pluripotent stem cells called HIP cells to evade the immune system.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Lipidomics research provides clues for drug resistance in schizophrenia

Researchers have found 22 lipids linked to lower symptom improvement in people with schizophrenia during treatment. The study's findings suggest a complex interplay between metabolic abnormalities and psychiatric health, highlighting the potential of lipidomics as a promising field for new discoveries.

What to do with food waste? Well, that depends

A new study finds that the decline of US landfills and state bans on organic waste disposal have created a need for alternative pathways for food waste. Researchers evaluated five options, including anaerobic digestion, composting, incineration, and hydrothermal liquefaction.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Scientists synthesize 3D graphene films with high-energy E-beam

Researchers have successfully synthesized macroscopic thick three-dimensional porous graphene films using high-energy electron beams. The resulting material exhibits excellent electrochemical storage capacity and photothermal performance, making it suitable for applications in supercapacitors and solar photothermal anti-icing.

Machine learning cracks the oxidation states of crystal structures

Researchers have developed a machine-learning algorithm to categorize metal-organic frameworks by oxidation state, providing a solution to the long-standing problem in chemistry. The collective knowledge of the chemistry community was used to train the model, which captured the errors and inconsistencies in existing methods.

Health safety net for undocumented kids works, study finds

A California program expanding public health programs to undocumented immigrant children greatly reduced disparities in coverage rates. The rate of uninsured non-citizens dropped by 34% after implementation of Health for All Kids in May 2016.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Keeping bacteria under lock and key

Scientists at the University of Delaware have made progress on a biological containment strategy using synthetic auxotrophy, keeping a strain of E. coli stable for 100 days. The research also shows promise for treating diseases and cleaning up the environment safely.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Comparing spending on common generic drugs by Medicare vs Costco members

A study compares Medicare's payment for common generic prescriptions in Part D to prices available at Costco, finding significant savings for patients without insurance. The research found that patients paying out-of-pocket at Costco spent an average of $10 less per month on common generic drugs compared to Medicare beneficiaries.