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Science News Archive March 2019


Page 4 of 43

How mosquitoes smell human sweat (and new ways to stop them)

Mosquitoes use an olfactory coreceptor called Ir8a to detect acidic volatiles found in human sweat, which is necessary for their host detection system. The study suggests new approaches for designing improved mosquito repellents and potentially even a life-saving perfume.

2019 HFSP Postdoctoral Fellowships

The Human Frontier Science Program has awarded 89 fellowships to outstanding young life scientists from around the world. The new fellows will conduct innovative research in biology, including studies on skin-based lymph nodes, motor proteins for translation, and temporal learning.

3D printed tissues may keep athletes in action

Researchers at Rice University have created 3D-printed scaffolds that can mimic the physical characteristics of osteochondral tissue, a hard bone beneath a compressible layer of cartilage. The scaffolds are designed to promote healing and potentially treat common sports injuries.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Fungal disease threatens hundreds of amphibian species worldwide

A global-scale analysis reveals that chytrid fungus has caused dramatic population declines in over 500 amphibian species, including 90 extinctions, within the past 50 years. The study suggests that conservation efforts can help target future research to prevent extinctions.

Virtual reality could be used to treat autism

Researchers from the University of Waterloo found that virtual reality can help individuals with autism and other neurological disorders recalibrate their internal clock. The study used a VR game to encourage participants to adjust their time perception, resulting in significant reductions in estimates of time by around 15 percent.

Five new frog species from Madagascar

Scientists have named five new species of tiny frogs found across the island of Madagascar, belonging to the 'narrow-mouthed' frog family. These miniature frogs are remarkable for their extreme miniaturization, with some species reaching lengths as small as 7.7 mm.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Surgical implications of rising heroin abuse

The article discusses the rising trend of heroin abuse in the US, which has led to an increase in surgical complications such as skin and soft tissue infections, septic thrombophlebitis, and mycotic pseudoaneurysms. Rapid recognition and management of these complications are crucial to prevent life-threatening outcomes.

How to make self-driving cars safer on roads

A new mathematical method developed by USC researchers can identify anomalies in self-driving cars' perception algorithms before they hit the road, improving safety. The method uses 'sanity conditions' to test machine learning tools and can be used to pinpoint specific problems and retrain the algorithms for faster error detection.

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.

What Americans know about science

A survey of 4,464 adults found that Americans with higher education levels score higher on science knowledge. Whites outperform Hispanics and blacks on the science knowledge scale, while men generally outscore women. Republicans and Democrats hold similar levels of science knowledge.

New model predicts substantial reduction of malaria transmitting mosquitoes

A new model predicts substantial reduction of malaria transmitting mosquitoes in West Africa by introducing genetically modified male mosquitoes with a driving-Y chromosome. The approach, which targets the most important species of malaria mosquitoes, has the potential to reduce populations and ultimately eliminate disease transmission.

A compass pointing west

At the level of nanoscopic structures made of magnetic layers, researchers at PSI have discovered a special magnetic interaction that enables the development of planar magnetic networks. These interactions allow for the creation of synthetic antiferromagnets and logical gates suitable for constructing computer memories and switches.

Apple iPhone 17 Pro

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

Bacteria partners with virus to cause chronic wounds, Stanford study finds

A Stanford study finds that a bacterial pathogen produces a virus that increases its ability to infect humans and causes the immune system to mount an antiviral response. The discovery could lead to new ways of preventing chronic infections by keeping antibiotic-resistant bacteria from getting a foothold in wounds.

Same microbe, different effect

Researchers have identified over 7,000 structural variants in human gut microbiomes associated with disease risk and weight. These variants were found to be linked to a specific ability of bacteria to produce butyrate, a substance with anti-inflammatory effects.

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.

Videos to tell the youngest generations about science

The UC3M's FECYT project produces educational videos addressing topics like self-driving vehicles, therapy robots, and rare illnesses, combining humour, scientific discoveries, and ethical dilemmas to engage young viewers.

A ventilation system proves effective at reducing hospital infections

A new ventilation system has been shown to reduce the risk of airborne infections in hospital rooms, which can cause serious complications for immunosuppressed patients. The study found that displacement ventilation systems can reduce the risk of exposure to airborne pathogens compared to traditional mixing ventilation systems.

Shrimp claw inspires new method of underwater plasma generation

Researchers at Texas A&M University have developed a new method of underwater plasma generation using a snapping shrimp's claw, producing jets of plasma reaching over 3,000 degrees Fahrenheit. This discovery could provide significant improvements for actions ranging from water sterilization to drilling.

ORNL investigates complex uranium oxides with help from CADES resources

Scientists at ORNL used computational methods to evaluate 4,600 potential crystal structures of uranium oxide compositions, identifying a potentially stable crystalline phase for U2O7. Their findings could lead to a better understanding of how crystalline and amorphous uranium materials form in the nuclear fuel cycle.

Introducing a kinder, gentler way to blow holes in cells

Scientists have developed a kinder gentler way to deliver big molecules like Cas9 enzyme into cells, improving efficiency and safety. The new technique, nanopore-electroporation, creates fewer than a dozen tiny holes in each cell, allowing for more effective gene editing and delivery of therapeutic proteins.

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.

Changes in onset of spring linked to more allergies across the US

Research from University of Maryland suggests climate change is driving an increase in seasonal allergic rhinitis, or hay fever, with areas experiencing earlier springs having a 14% higher prevalence of the condition. This is due to a longer season for tree pollen and simultaneous blooms of multiple tree species.

Studying reintroduction of bull trout with simulations

A team of researchers used a simulation to project the genetic and demographic outcomes of bull trout reintroduction in Washington State, focusing on connectivity and habitat availability. The study found that sufficient gene flow and unoccupied patches are key to maintaining genetic variation and persistence.

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.

Arbitrary categories improve visual learning transfer, study finds

A new study at Brown University found that using arbitrary categories can improve the transfer of visual learning to real-life skills. Participants trained on categorizing blurry striped circles showed significant improvement in recognizing patches with the same angle, even when not training specifically on it.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Cancer prevention drug also disables H. pylori bacterium

Researchers found that the medicine DFMO not only blocks cell growth but also directly targets H. pylori to reduce its virulence. This could lead to a new strategy for preventing stomach cancer. The study supports further research into using DFMO to prevent stomach cancer.

Digital health must be reimbursed to cope with chronic disease

The European Society of Cardiology calls for reimbursement of digital health technologies to manage chronic diseases. Home-based care models, such as smartphone apps connected to medical devices, are more effective than traditional hospital visits in reducing blood pressure and improving patient outcomes.

Mass amphibian extinctions globally caused by fungal disease

A global study found that a fungal disease has caused dramatic population declines in more than 500 amphibian species, resulting in 90 extinctions. Chytridiomycosis is present in over 60 countries and is considered one of the most damaging invasive species worldwide.

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.

Cities under pressure

Researchers at Newcastle University found that balancing sustainability objectives is a complex challenge. The 'best case' scenario for London involves concentrating development in central areas to reduce flood risk, transport emissions, and urban sprawl, but this comes at the cost of exposing more people to extreme temperatures.

Study shows arctic warming contributes to drought

A new study reveals that arctic warming contributes to drought in mid-latitude regions by reducing precipitation and weakening wind patterns. Researchers analyzed geological evidence from lakes and glaciers to estimate past dry conditions, finding that Wyoming experienced several thousand years of drought-like periods.

Celestron NexStar 8SE Computerized Telescope

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

VUMC and TGen receive $6.1 million in grants to study deadly lung disease

Researchers at VUMC and TGen are studying Idiopathic Pulmonary Fibrosis (IPF), a progressive and irreversible lung disease affecting 50,000 Americans annually. The grants will help identify specific gene expression changes driving the disease, potentially leading to earlier diagnosis and more effective treatments.

Glowing tumors show scientists where cancer drugs are working

Researchers at Johns Hopkins Medicine have developed a new technique using PET scans to track the interaction between cancer drugs and tumor cells, providing valuable insights into how effective treatment is. This breakthrough could streamline cancer therapy by enabling doctors to tailor treatments, determine therapeutic doses, and avo...

Interest in RNA editing heats up

Researchers are exploring RNA editing as a way to treat diseases without permanent genetic changes. This approach uses an enzyme called ADAR to make precise edits to RNA, which can be reversible and avoid the risks of CRISPR.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Eating small amounts of red and processed meats may increase risk of death

A new study found that consuming even small amounts of red meat may increase the risk of death from all causes, especially cardiovascular disease. The research, part of the Adventist Health Study-2, analyzed over 7,900 individuals and found a significant association between low intake of red and processed meats and higher risks of tota...

New medication gives mice bigger muscles

Researchers have developed a new group of medicinal products called IASPs that increase muscle and bone mass in mice. The treatment has shown promise in counteracting osteoporosis and improving muscle mass, but its effects on blood cells are still being studied.

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.

Artificial intelligence can predict premature death, study finds

A team of healthcare data scientists and doctors developed an AI system using machine learning algorithms to predict the risk of early death due to chronic disease. The system performed better than current standard approaches and showed promise in improving preventative healthcare.

Lipid vesicles transmit luminous or electrical signals

Liposomes, small artificial structures with lipids and aqueous cores, have been engineered to transmit light or electrical signals. By incorporating magnetic nanoparticles and fluorescent molecules, the vesicles can be controlled by magnets and used for Boolean logic operations, enabling on/off signal transmission.

Rural America needs more headache specialists, WVU researcher says

A recent study by WVU researchers found that rural Americans with migraines often face long travel distances and financial barriers to accessing specialized care. The study highlights a nationwide shortage of headache specialists, which can exacerbate the economic impact of migraine in low-income areas.

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.