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Science News Archive 2021


Page 125 of 510

Early Homo sapiens groups in Europe faced subarctic climates

Researchers at Max Planck Institute found that early human groups in Europe endured cold climatic conditions for over 7,000 years. The team used archaeological materials to generate climatic data, revealing a higher degree of climate flexibility than previously believed.

Hidden mechanisms of apple watercore formation

Single-cell analyses reveal turgor-associated metabolic modifications in watercored apples, leading to increased production of volatile compounds. A significant concentration of these compounds is detected at the border region, where a water potential gradient facilitates water transport to the watercore area.

Apple iPhone 17 Pro

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

Gene RARA surfaces as potential drug target in pediatric AML

Researchers have identified a specific gene, RARA, associated with acute myeloid leukemia (AML) in children that is sensitive to the treatment tamibarotene. Studies found that AML cells with high levels of RARA are more responsive to tamibarotene, suggesting its potential as a new treatment for pediatric AML.

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.

Color coding molecular mirror images

Scientists at Kanazawa University have discovered a new method for determining the chirality of amines, which involves reactions with 'color indicator' molecules that produce different colors depending on the enantiomer present. The approach enables easy naked-eye differentiation between enantiomers and could be used to quantify enanti...

Model advances understanding of incorporating 3D printing into supply chains

Researchers developed a computational model to optimize the use of additive manufacturing in spare parts supply chains, finding that centralized systems are more efficient for less frequent demand with high variability. The study's findings provide a step forward in understanding how to incorporate AM technologies into supply chains.

Sex and the symbiont: Can algae hookups help corals survive?

Researchers at Rice University have made a groundbreaking discovery about the reproductive habits of dinoflagellate algae, which can help coral reefs adapt to climate change. By studying sex in these tiny creatures, scientists hope to breed strains that are more tolerant of environmental stress.

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.

Improving control for users of robotic prosthetics

Researchers have developed a new interface technology that can provide natural sensory feedback from robotic prosthetics to amputees, reducing abnormal sensations and cognitive burden. The innovation uses ultra-small recording sites and molecular guidance cues to stimulate sensory axons selectively, improving control of robotic limbs.

How do migraines affect the sleep cycle?

A meta-analysis of 32 studies involving 10,243 participants found that adults and children with migraines have poorer sleep quality and shorter REM sleep times than those without migraines. Children with migraines also have less total sleep time, more wake time, and faster sleep onset.

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.

A computer algorithm called ‘Eva’ may have saved lives in Greece

A new study suggests that Greece's computer algorithm 'Eva' caught nearly twice as many asymptomatic infected travelers as traditional testing methods, helping to curb COVID-19's spread. The AI-powered system used real-time data to identify high-risk visitors for targeted testing, revealing its potential in managing the pandemic.

Suicide rates fell in Canada during pandemic despite rise in unemployment

Despite increased unemployment, Canada's suicide rates dropped between March 2020 and February 2021, according to a study. The Canadian government's economic support measures, including financial assistance and reduced mortgage payments, are believed to have contributed to this decrease in suicide rates.

Unique sugar structures could identify early-stage liver cancer

Scientists use modern imaging technology to determine liver cancer subtypes, identifying specific sugar structures that correlate to different subtypes. This approach could lead to earlier detection and more personalized therapies for hepatocellular carcinoma.

Hubble finds early, massive galaxies running on empty

The Hubble Space Telescope and ALMA have discovered six early, massive galaxies that have run out of hydrogen gas to form stars. These 'dead' galaxies, which appeared in the universe just 20% of its current age, were found using strong gravitational lensing, a technique that amplifies light from distant objects.

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.

Online searches may reduce predisposed belief in misinformation

A new analysis suggests that online searches can reduce belief in misinformation about Zainichi Koreans, particularly among those who were predisposed to believe it. However, participants showed an increase in negative feelings toward the group after conducting their searches, despite correction of specific misinformation.

Deep learning enhances cancer diagnostic tools

Researchers developed a method to apply deep learning to polarization-sensitive optical coherence tomography, enhancing cancer diagnosis. The technique enables OCT systems to detect abnormalities on a deeper level, differentiating microstructural features such as collagen fiber orientations.

Celestron NexStar 8SE Computerized Telescope

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

UTSA develops model to understand how a city’s design creates congestion

The UTSA-Glasgow model analyzed nearly 100 American cities to understand the relationship between city design and traffic congestion. It found that high-intensity urban land use and polycentric city shapes are associated with higher levels of congestion, supporting the long-held belief that traffic congestion is tied to urbanization.

Now everyone can build battery-free electronic devices

Researchers introduce a new platform called BFree that allows users to build battery-free devices using intermittent energy harvesting. The system includes energy-harvesting hardware and a power-failure-resistant version of Python, making it accessible to novice programmers.

Experiences of racism reported in online reviews of hospitals

Researchers examined online consumer reviews to identify experiences of racism in US hospitals. They found significant disparities in care and treatment for patients of color. The study highlights the need for improved diversity and inclusion training in healthcare institutions.

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.

Physiological stressors triggering disease in the heart

A recent study published at Masonic Medical Research Institute found that electrocution-induced physiological stress can lead to overlapping cardiac conditions in individuals. The research used human induced pluripotent stem cells to investigate the mechanisms behind these conditions, shedding light on potential new treatments.

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.

SpaceX satellite signals used like GPS to pinpoint location on Earth

Engineering researchers at Ohio State University developed a method to use Starlink satellite signals to accurately locate positions on Earth, similar to GPS. The accuracy of this technique is comparable to or even surpasses that of GPS, with the potential to be used as an alternative navigation system.

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.

Blowing up medieval gunpowder recipes

The study of medieval gunpowder recipes reveals that the evolution of the perfect powder was a slow trial-and-error process. Researchers analyzed energies released during combustion and found that certain additives made gunpowder stronger, while others had no energetic advantages but might have served other purposes.

More women using cannabis for menopause symptoms

A recent study found that nearly a third of women near the menopause transition use cannabis to help manage their symptoms, with 75% using it for medical purposes. The most common reasons for use included sleep issues and anxiety, with three-quarters of current users reporting relief from their symptoms.

Earless worms 'listen' through their skin

Researchers discovered that earless worms can detect airborne sounds in a range of frequencies and localize the source. This finding opens a new field for studying auditory sensation and challenges the assumption that organisms without ears cannot sense sound.

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.

Switching on a superfluid

A new Australian study examines systems transitioning from a normal fluid to a quantum state known as a superfluid, which can flow with zero friction. The research provides new insights into the formation of these remarkable states, revealing different timescales and correlations involved.

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.

An experimental loop for simulating nuclear reactors in space

Researchers at Penn State have developed a small-scale laboratory experiment known as a hydrogen test loop to investigate nuclear thermal propulsion. The simulation, which includes a stainless steel pipe and a heating element, successfully models the operation of a reactor in space. The study's findings could lead to more efficient and...

Next-generation camera can better locate tumors

A next-generation camera can accurately identify tumor shape and location in human tissue by measuring time-differential signals from photons. This allows surgeons to ensure complete removal of cancerous tissue while preserving surrounding healthy tissue, revolutionizing surgical procedures.

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.

Understanding uncertainty with a new take on questionnaires

Researchers developed an interval-valued response method to address uncertainty in questionnaires, providing a more flexible approach to data collection. The new method uses ellipses to allow respondents to choose a range when answering a question, resulting in better quality data and potential improvements in data privacy.

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.