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Science News Archive November 2021


Page 11 of 40

Healthier UK diets linked to lower greenhouse gas emissions

A new analysis found that non-vegetarian diets result in higher greenhouse gas emissions than vegetarian diets, while a diet rich in nutrients and low in saturated fats can significantly reduce emissions. The study suggests small changes, such as cutting out sweets or switching brands, can make big environmental gains.

Soft food diet increases risks for captive animals released in wild

Research reveals that captive animals on soft food diets may experience weaker skulls and reduced bite effectiveness when released back into the wild. The study found that rats fed softer diets had weaker skulls, but those switched from hard to soft food as juveniles also showed signs of weakened bone growth.

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.

Viral Visitation

Researchers at UNM's AIM Center have discovered how SARS-CoV-2 coronavirus interferes with the autophagy process, a vital cellular mechanism for recycling debris and invading microorganisms. The study found that the virus hijacks cellular membranes to evade immune systems.

SUTD researchers made ultra-sensitive cancer detector from 2D materials

A team of researchers from SUTD and A*STAR Bioinformatics Institute developed a combined electric current 2D material sensor to detect breast cancer cells. The ultra-sensitive sensor can identify electrical signals from a record low number of cancer cells, offering new possibilities in the field of biosensing.

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.

Deep learning algorithms assist in identifying microplastics in human body

A study has developed a method using dark-field microscopy and deep learning algorithms to identify microplastics in human cells, achieving an accuracy of 93% for 1-micron polystyrene particles. The technique has the potential to screen microplastics in various samples, reducing time-consuming data acquisition and processing steps.

Private education in lower-income countries is having limited impact on learning

A study of over 560,000 children in India, Pakistan, Kenya, and Uganda found that private education made little difference in learning outcomes, with gains largely attributed to more advantaged backgrounds. The researchers suggest that private schools may be drawing support away from state education without significantly improving stan...

Getting quantum dots to stop blinking

A team of chemists at MIT has developed a method to control the blinking phenomenon in quantum dots using mid-infrared laser light, eliminating intermittency for precise applications. This technique may also be applicable to other materials, enabling new uses in biological research and quantum information science.

Apple iPhone 17 Pro

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

New documentation of dramatic climate changes at the end of the last ice age sheds light on the transition from nomadic hunter-gatherer to settlement and farming societies

Researchers reconstruct Land of Israel climate at end of last ice age using plant remains, revealing significant temperature and precipitation differences that impacted the transition from hunter-gatherer to settled agricultural societies. The study provides insights into the region's flora and its response to past climate change.

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.

Dirmeyer studying land-boundary layer coupling processes

Dirmeyer's project aims to analyze global patterns of land-atmosphere coupling and its impact on PBL evolution. The researchers will combine statistical and physical depictions to reveal how changes in land surface states affect forecast quality.

Deleting dysfunctional cells alleviates diabetes

Researchers at UConn Health have discovered that eliminating senescent cells in human fat tissue can alleviate signs of diabetes and improve insulin sensitivity. The study suggests that clearing away these dysfunctional cells could lead to game-changing new treatments for Type 2 diabetes.

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.

Feast or forage: Study finds circuit that helps a brain decide

Researchers discovered a brain circuit that enables C. elegans worms to switch between foraging and feasting behaviors based on sensory information. The circuit involves a key neuron called AIA, which integrates food odor signals to influence the behavior.

Stereotypes in STEM fields start by age six

A new study by the University of Houston researcher found that gender stereotypes in computer science and engineering begin at age six, leading to a lack of representation of girls and women in these fields. The study suggests that introducing high-quality STEM activities in elementary school can help close the gender gap.

Cascading femtosecond lasers into the mid-infrared

Researchers at ETH Zurich demonstrate the first direct femtosecond-pulse emission from a quantum cascade laser in the mid-infrared region, generating powerful pulses as short as 630 femtoseconds and 4.5 watt peak power. This breakthrough opens up practical routes to accessing ultrafast dynamics across the molecular fingerprint region.

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.

No extra COVID-19 risk for ECMO transport teams, reports ASAIO Journal

A study published in the ASAIO Journal reports that critically ill patients with COVID-19 can safely be transported for ECMO therapy without increased risk of transmitting COVID-19 to ECMO transport team members. The researchers found zero instances of transport team members contracting COVID-19 within 21 days after transport.

Cancer: Key factor sustaining malignant tumor state identified

A recent study published in Nature Cancer reveals that NR2F2 is an essential regulator of malignant tumor state, controlling cancer stem cell and tumor maintenance in mouse and human cancers. Inactivation of NR2F2 blocks the progression of benign to malignant tumors and represses essential tumor functions, leading to tumor regression.

Mystery of high performing novel solar cell materials revealed in stunning clarity

Perovskite materials have emerged as promising alternatives to crystalline silicon for producing solar panels. Despite defects that reduce performance, perovskites show impressive efficiency levels comparable to silicon alternatives. Researchers used multimodal microscopy methods to visualize and explain the complex interactions betwee...

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.

Ridesharing may help reduce alcohol-impaired crashes: Study

A new study published in the Journal of Studies on Alcohol and Drugs found that rideshare density near crash sites is associated with decreased odds of alcohol-involved crashes. An increase in one ride per square mile was linked to a 0.2% decrease in such crashes.

Kids, teens believe girls aren’t interested in computer science, study shows

A recent study from the University of Washington and the University of Houston found that children as young as age 6 develop ideas that girls are less interested than boys in computer science and engineering. The study suggests that these gender-based beliefs can contribute to a gender gap in STEM college courses and related careers.

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.

Hurricanes expected to linger over Northeast cities, causing greater damage

A new study predicts that future East Coast hurricanes will cause greater damage than past storms, with more storms forming near the coast and lingering over populated areas. This is due to changes in atmospheric patterns caused by warmer air temperatures, which will slow down wind speeds and allow hurricanes to stay on track for longer.

How to eat a poison butterfly

Scientists have discovered that four types of monarch predators - a bird, a mouse, a parasitic wasp, and a worm - evolved the same unusual cellular mutations as monarchs. These mutations allow them to resist the toxic effects of milkweed plant toxins, which can be deadly to most animals.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Carbon labelling can potentially encourage eco-friendly E-commerce

Researchers at Singapore University of Technology and Design found that adding carbon emission labels can influence online shoppers to choose more sustainable shipping options. The study showed that slow shipping options result in lower emissions but longer delivery times, with an 81% reduction in emissions possible.

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.

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.

Breaking down cancer’s defenses

Researchers engineered a probiotic designed to target and break down cancer cell defenses, allowing therapies to kill tumors more effectively. The new probiotic was tested in animal models of breast and colon cancer, showing promising results with improved survival rates.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Smarter prescriptions from doctors could save NHS billions

A new study found that GPs could have saved £2.7 billion for the NHS by prescribing cheaper statin alternatives between 2004 and 2012. If all existing patients on more expensive treatment had been switched, potential savings would increase to nearly half of total costs.

Fluke 87V Industrial Digital Multimeter

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

Unborn babies could contract Covid-19 says study, but it would be uncommon

A new study suggests that unborn babies could contract Covid-19 if their gut is exposed to the SARS-CoV-2 virus. However, researchers say that this risk is extremely limited due to the placenta's protective shield. Vaccination against Covid-19 during pregnancy is still recommended as a way to protect the unborn baby.

Cystic fibrosis faithfully modeled in a human Lung Airway Chip

Researchers at Harvard's Wyss Institute have developed a microfluidic Organ Chip device that accurately models cystic fibrosis lung airway pathology. The model replicates key pathological hallmarks, including mucus layer changes and inflammatory responses, providing a comprehensive preclinical human model for investigating new therapies.

Age, sex and waning COVID-19 antibodies

A study found that individuals under 65 had higher antibody levels than those over 65, with women outperforming men. However, by six months post-vaccination, antibody levels dropped significantly for everyone in the study group.

New study offers broader understanding on plankton life in Gulf of Mexico

A groundbreaking study has documented the simultaneous position, size, and density of 36 different types of planktonic organisms in the Gulf of Mexico. Researchers found that smallest organisms formed the largest patches, with greater patchiness in shallow waters closer to shore than deeper ocean waters.

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.