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Science News Archive 2021


Page 86 of 510

Chemists develop a fundamentally new mode of adsorption

Researchers developed a new mechanism of adsorption called mechanisorption, which can store significant amounts of energy by recruiting molecules onto surfaces at high concentrations. This breakthrough has implications for energy storage, controlled release, and environmental remediation.

Bright prospects for OCT at 30

Optical coherence tomography (OCT) has significant growth potential across various medical applications, including cardiology and dermatology. Miniaturized OCT systems are expected to revolutionize healthcare with compact, mobile, and cost-effective devices.

Apple iPhone 17 Pro

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

Under arrest: Using nanofibers to stop brain tumor cells from spreading

A team of researchers from Japan has developed a platform using nanofibers to capture and control the migration of brain tumor cells, including glioblastoma multiforme. The study found that varying fiber densities can slow or speed up cell movement, leading to the creation of 'cell traps' that can restrict tumor cell growth.

Celestron NexStar 8SE Computerized Telescope

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

Research identifies new family of marine ‘megaphages’

Researchers identified a new family of marine megaphages with genomes over 650 kb in length, which could impact biogeochemical cycling. These 'megaphages', found in the English Channel, are distantly related to human gut phages and represent a new family in the marine environment.

Einstein-developed treatment strategy may lead to HIV cure

Scientists at Einstein College of Medicine have successfully suppressed HIV infections in mice using a novel treatment strategy that boosts the immune system's CD8+ T cells. The therapy, known as synTac, selectively targets HIV-infected T cells, eliminating them from the body and offering a potential path to a functional cure for HIV.

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.

Ivory poaching leads to rapid evolution of tuskless African elephants

Research reveals that intense ivory poaching during the Mozambican Civil War led to a rapid increase in tusklessness among female African elephants. The study found a sex-linked genetic origin for this trait, with whole-genome analysis identifying key candidate genes involved in mammalian tooth development.

How pearls achieve nanoscale precision

A University of Michigan-led team discovered how mollusks build pearls with precise symmetry and layers, governed by the phenomenon of 1/f noise. The study found that pearls lack true long-range order but exhibit medium-range order, maintaining consistency and durability.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Mandates likely work to increase vaccine uptake

Research from University of Pennsylvania team shows that vaccine mandates have positive effects on vaccination intentions, particularly for those who oppose forced behavior. Mandates strengthen vaccination intentions, regardless of racial or ethnic group, and for individuals with a disposition towards psychological reactance.

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.

Fighting viruses with interchangeable defense genes

Researchers discovered that bacteria exchange mobile genetic elements to defend against viruses, enabling rapid evolution of innate immunity and development of resistance. This finding has significant implications for designing phage-based therapies against bacterial infections.

Discovery of new tiny fish, lizard species reported in PeerJ

Researchers uncover two new species, a small lizard (Sciroseps pawhuskai) and a fish (Anomoeodus caddoi), from the Lower Cretaceous Holly Creek Formation in southwest Arkansas. The discovery provides valuable insights into the diversity of animals living during the Early Cretaceous Period.

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.

Early dinosaurs were sociable

Researchers found fossilized embryos of the same species inside eggs, indicating a herd-like behavior. The site showed a well-organized herd structure, with dinosaur babies' fossils near the nests and juveniles grouped together.

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.

Unique dinosaur-era fossil bridges a gap in the evolution of crabs

A newly discovered ancient crab fossil, Cretapsara athanata, has shed new light on the evolution of crabs. The 100 million-year-old fossil, found in amber, provides evidence that crabs transitioned to land around 100 million years ago, bridging a previously unknown gap in their evolutionary history.

Changing ocean currents are driving extreme winter weather

New research from the University of Arizona suggests that a slowdown in the Atlantic Meridional Overturning Circulation (AMOC) will intensify extreme cold weather in the US. The study found that without the AMOC, extremely cold winter weather would become more frequent and severe.

How retirement impacts social support and wellbeing

A new study found that most people maintain their pre-retirement level of social support after retirement, with women and those with high social support experiencing an improvement in mental wellbeing. The research also shows an increase in life satisfaction for couples where either the man or woman retired.

Why Twitter should share revenues with soccer players

Researchers analyze competition among high-profile Twitter users and suggest a revenue-sharing program to increase user engagement. The study found that sharing revenues with all tweeting players, not just top performers, is more effective and less expensive for the platform.

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.

Preventing postsurgical adhesions using hydrogel barriers

Scientists develop injectable hydrogels to effectively prevent post-surgical adhesions, reducing complications and hospital costs. The hydrogel barriers demonstrate superior mechanical properties and effective prevention of cell adherence.

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.

Reducing plastic pollution by adding RNA-inspired ‘breaking points’

Researchers developed a biodegradable polymer called polylactide (PLA) with RNA-inspired breaking points, which can break down faster in seawater. The degradation rate of the polymer can be tailored depending on the amount of breaking points, offering a potential solution to marine pollution.

Exploring Antarctic ocean circulation from penguin guano

A Chinese research team reconstructed past 6,000-year history of Modified Circumpolar Deep Water (MCDW) intrusion into the Ross Sea using ornithogenic sediments. The study found two periods of enhanced MCDW intrusion linked to changes in sea ice and ecological patterns.

Lifetime excess weight linked to subclinical heart injury

A study of 9,739 adults found that those with stable overweight and obesity had elevated cardiac troponin I levels, a marker of subclinical heart injury. Long-standing obesity is associated with injurious effects on cardiac health before symptoms occur.

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.

Machine learning can be fair and accurate

A recent study published in Nature Machine Intelligence challenges the long-held assumption that accuracy and fairness are mutually exclusive in machine learning. Researchers found that optimizing models for accuracy does not necessarily compromise fairness, particularly when adjustments are made to data, labels, and scoring systems.

No silver bullet

Researchers challenge long-held notion that humans are bad for ecosystems, finding no correlation between remoteness and coral reef resilience. Instead, areas with higher human influence may recover faster from disturbances due to shifts in coral population dynamics.

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.

Sending out an SOS

Scientists linked SOS data to grain prices in five African countries, increasing predictive power by up to 25% in some cases. The study's findings enable earlier forecasts of potential famine, with implications for humanitarian aid.

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.

Epilepsy research reveals unknown trigger for seizures

Researchers found that somatostatin interneurons can cause seizures when they go haywire, disrupting the brain's balance. The study identified a rare epilepsy syndrome and developed mouse models to understand the neurological dysfunction, paving the way for new treatments.

How diet affects tumors

A new study from MIT reveals that calorie-restricted diets slow tumor growth in mice by reducing fatty acid availability, while ketogenic diets have limited effect. The findings offer insight into how dietary interventions might be combined with existing or emerging drugs to help patients with cancer.

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.

Facet controllable synthesis of two-dimensional rare earth oxides

Scientists at Wuhan University have developed a novel method to synthesize 2D rare earth oxides (REOs) with specific facets. The technique uses a facet controlling assistor to control the growth mode and direction of crystals, leading to anisotropic growth of non-layered REOs materials.