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Science News Archive 2021


Page 322 of 510

Fundamental regulation mechanism of proteins discovered

Researchers at Göttingen University have identified a completely novel on/off switch in proteins that controls their structure and function. The discovery of this lysine-cysteine redox switch has wide-ranging implications for protein design, medical applications, and drug development.

Apple iPhone 17 Pro

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

Light pollution at night affects the calls of migratory birds

Research published in Ibis found that call rates of migratory birds were significantly higher in urban areas compared to villages, indicating a impact of artificial light on bird migration. The study suggests that improved management of urban lighting is necessary to mitigate this effect.

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.

Biophotonics in photomedicine

Researchers are bridging gaps between scientists from different fields to merge knowledge and create innovated, reliable products. Biophotonic innovations are expected to transform healthcare for the next few decades.

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.

Why robots need reflexes - interview

The study used a slap on the hand as a test subject to examine reflexes and their coordination. The researchers found that humans anticipate pain when reacting to potential harm, which could be applied to robot development for improved safety. Robots can learn from human reflex systems to develop intelligent protective mechanisms.

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.

How accurate are virtual assessments of cognitive function?

A study analyzed 121 published studies on virtual and in-person cognitive assessments for diagnosing dementia or mild cognitive impairment. The analysis found good reliability and accuracy of virtual assessments for diagnosing dementia, but identified barriers to implementing cognitive assessments for older adults.

Thin, large-area device converts infrared light into images

A new infrared imager developed by researchers at the University of California San Diego converts shortwave infrared light into visible images using organic semiconductors. The device is compact, simple, and provides better image resolution than existing systems.

Tracking down the tiniest of forces: How T cells detect invaders

Researchers observed T cells exerting a tiny force of up to 5 pico-newtons when recognizing antigens, allowing them to determine if the interaction is with the desired antigen. This study provides insights into how T cells function at the molecular level and could lead to significant advances in medicine.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Your longevity after a heart attack may depend on where you live

A recent study published in the American College of Cardiology's annual scientific session found that black patients from disadvantaged neighborhoods are more likely to die after a heart attack. The study analyzed data from nearly 32,000 patients with health insurance treated for a heart attack between 2006-2016.

New method identifies tau aggregates occurring in healthy body structures

Researchers developed a method to visualize small tau protein aggregates forming under normal physiology, distinguishing them from pathological aggregates. The new approach uses high-resolution microscopy and machine learning to identify healthy tau aggregates, offering potential for new treatments for neurological diseases.

Only half of heart disease patients get a flu shot

A new study finds that only half of adults with cardiovascular disease report getting a flu shot annually, highlighting the need for better vaccination efforts. Patients with certain conditions and those who attend college are more likely to receive a flu vaccine.

Want to treat heart attacks faster? There's an app for that

A new phone-based app facilitated more efficient hospital intakes for patients with STEMI, leading to faster treatment times and reduced damage. The average time between EMS arrival and PCI was about 11 minutes shorter among cases where the app was used.

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.

Is PTSD overdiagnosed?

Experts argue that PTSD is often conflated with normal responses to stress, leading to increased pressure on services. However, another study suggests that PTSD may be underdiagnosed, with only a small proportion of those seeking help receiving a diagnosis.

Tübingen study raises hope for effective malaria vaccine

A live vaccine consisting of infectious Plasmodium falciparum parasites has been shown to be highly effective in preventing malaria, with only three immunizations required. The vaccine induces a strong immune response that can recognize both the injected parasites and subsequent liver stage antigens.

International study links brain thinning to psychosis

An international team found a link between subtle differences in adolescent brain shape and psychosis development, with those at high risk showing widespread lower cortical thickness. This discovery could contribute to earlier detection and treatment of psychosis.

Microalgae biofuels: Changing carbohydrates into lipids

Researchers developed a technique to redirect carbon resources from carbohydrates to lipids in microalgae, enabling large-scale lipid production even under light/dark conditions. This method could contribute to the implementation of biofuel production using microalgae.

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.

Antarctica remains the wild card for sea-level rise estimates through 2100

A collaborative research project published in Nature offers the most complete sea-level rise projections created to date, with Antarctica remaining a wild card. Limiting global warming to 1.5 degrees C above pre-industrial temperatures could cut projected 21st century sea-level rise from land ice in half.

How a Yale scientist and REM star named an ant for a Warhol 'Superstar'

A Yale scientist, Douglas Booher, named an ant after R.E.M.'s Michael Stipe's friend Jeremy Ayers, a Warhol 'Superstar'. The ant was discovered in Ecuador and had unique features that set it apart from other species. Booher confirmed the discovery with German entomologist Phillip Hoenle and was joined by Stipe to name the new species.

New Monarch butterfly breeding pattern inspires hope

A recent study found large populations of monarchs breeding in San Francisco and Los Angeles, suggesting an adaptation to the changing climate. The researchers believe that this new breeding pattern may help the population persist in the western US, despite a decline in numbers.

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.

Nanoscope presents novel gene delivery and electrophysiology platforms at ARVO

Nanoscope Technologies is featuring groundbreaking research on optical gene delivery and functional characterization platform technologies for treating retinal diseases. The company's lead product, vMCO-010, delivers light-sensitive Multi-Characteristics Opsin into retinal cells to restore vision in patients with degeneration.

High school student's study models droplet spread

A high school student's study models the spread of macroscopic droplets from a simulated cough with and without mask use. The findings suggest that barriers can play a crucial role in controlling droplet spread, especially when masks cannot be worn.

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.

When algorithms go bad: How consumers respond

A new study finds that consumers penalize brands less when an algorithm causes a brand harm crisis, as perceived agency and responsibility for the error mediate their responses. Marketers should deploy and monitor algorithms with heightened vigilance and provide technological supervision to reduce negative consumer responses.

Mysterious hydrogen-free supernova sheds light on stars' violent death throes

Astronomers have discovered a mysterious yellow star that exploded without the typical hydrogen layer, revealing new insights into the violent death throes of massive stars. The discovery challenges current understanding of stellar evolution and suggests that these stars may undergo catastrophic eruptions before exploding.

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.

Does eating a Mediterranean diet protect against memory loss and dementia?

A new study suggests that consuming a Mediterranean diet rich in fish, vegetables, and olive oil can help prevent protein build-up and brain shrinkage associated with Alzheimer's disease. The research found that individuals who followed the Mediterranean diet more closely had lower levels of amyloid and tau biomarkers and improved cogn...

New, almost non-destructive archaeogenetic sampling method developed

A new, non-destructive archaeogenetic sampling method has been developed to extract genetic material from archaeological human remains without causing significant damage. This allows for the preservation of artefacts and enables further analysis through stable isotope and radiocarbon studies.

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.

Fast changing smells can teach mice about space

Researchers found that mice can detect rapid fluctuations in odour plumes and use this information to distinguish between sources. This suggests the mammalian olfactory system plays a key role in processing awareness of physical space and surroundings, guiding survival decisions.

A high-tech textile to stay comfortable outdoors

Researchers developed a reversible textile that traps warmth in cold temperatures and reflects it in hot weather, generating small amounts of electricity. The textile's ability to harness temperature gradients makes it suitable for various technologies, such as wearable electronics and camouflage.

Celestron NexStar 8SE Computerized Telescope

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

From yeast to hypha: How Candida albicans makes the switch

Researchers discovered that the Sir2 protein facilitates Candida albicans' transition from yeast to hypha, which is essential for infection. The protein's removal resulted in fewer true hyphae being formed, and its function may impact the pathogen's virulence.

New map reveals genes that control the skeleton

Researchers have mapped the genetic profile of osteocytes, a type of bone cell that controls skeleton growth and decay. The study identifies novel genes associated with rare and common skeletal diseases, paving the way for new treatments and improved diagnosis.

Black and Latinx surgeons continue to hit glass ceiling in America

A recent study found that Black and Latinx surgeons are underrepresented in university leadership positions, with only a few individuals holding full professorships or department chairs. The study suggests that sponsorship, mentorship, allyship, and representation can help promote diversity and address these disparities.

Fluke 87V Industrial Digital Multimeter

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

New bonobo genome fine tunes great ape evolution studies

A new bonobo genome assembly has been created with high accuracy, allowing for precise comparisons to other great apes and humans. The study reveals over 5,500 structural variants that distinguish the bonobo and chimpanzee lineages, providing insights into gene evolution and species divergence.

Now available with a negative charge too

Researchers have introduced a new anionic organoborane compound, borafluorene, which is a system of three carbon rings joined at the edges with a boron atom. The team used carbenes to stabilize the elusive anions and demonstrated their potential as chemical building blocks.

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.

ICU admission linked to increased risk of future suicide and self-harm

A study published in The BMJ found that ICU admission is associated with a small increased risk of future suicide or self-harm after discharge. Younger patients with pre-existing psychiatric illness and those who received invasive life support were at higher risk, according to the research.