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Science News Archive January 2020


Page 28 of 40

The advantage of changing sex in fish population recovery

Sex-changing fish species can recover faster and more predictably than fixed-sex species when fishing is eliminated within Marine Protected Areas. This is because they can replace lost males with females, increasing reproduction rates.

Fluke 87V Industrial Digital Multimeter

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

Modeling storm surge extremes

Researchers developed a model to estimate storm surge extremes by exploiting sea level dependencies, yielding good agreement with tide gauge data and reduced uncertainty. The new approach enables estimation of storm surge levels at arbitrary ungauged locations.

Predicting non-native invasions in Antarctica

A new study identifies 13 non-native species most likely to invade Antarctica's Antarctic Peninsula region over the next decade. The invasion could have devastating effects on fragile polar biological communities and ecosystems. Comprehensive biosecurity checks are crucial to prevent invasive species from reaching Antarctica.

Study offers new insight into brain connectivity

Researchers develop new framework to understand changes in brain activity and connections, with implications for modeling brain disease mechanisms. The study identifies three categories of dynamic interaction between neurons involved in cognitive function.

AmScope B120C-5M Compound Microscope

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GQ GMC-500Plus Geiger Counter

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Iodine may slow ozone layer recovery

A new study has quantified small levels of iodine in the stratosphere and links it to ozone layer decline. The research suggests that air pollution from the surface can trigger ozone destruction higher in the atmosphere.

Nano-objects of desire: Assembling ordered nanostructures in 3D

Researchers developed a platform to organize nanomaterials of different types into desired 3-D structures using DNA-programmable nanofabrication. The platform can create materials with unique optical, chemical, and other properties at the nanoscale, enabling new applications in fields like display technology and nanomanufacturing.

Knee replacement timing is all wrong for most patients

A new study found that 90% of patients with knee osteoarthritis are waiting too long for knee replacement surgery, losing function, while 25% of those without need get the procedure prematurely. This delays deterioration and reduces mobility, leading to additional health issues.

Apple iPhone 17 Pro

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

Participants in environmental health studies vulnerable to re-identification

Researchers at Silent Spring Institute found that anonymized environmental health data can be traced back to individuals. The study highlights the need for greater protections for participants in human research studies, particularly with the proposed federal rule by EPA requiring scientists to make their data public.

Team builds the first living robots

A team of scientists has created the first living robots, 'xenobots', by assembling frog embryo cells into new life forms. These biodegradable organisms can move, heal themselves, and even carry payloads, promising advances in drug delivery, toxic waste clean-up, and more.

How ancient trees maintain longevity

Old Ginkgo biloba trees display similar gene expression for flavonoids and other resistance genes in young and old trees. Increasing age is not accompanied by a significant decrease in leaf area or growth rate, suggesting that these trees may stay healthy due to robust stress defenses.

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.

How retailers can make more money in online auctions

Researchers found that concentrating auctions to certain days of the week leads to a 7.3% increase in platform revenues. Shortening or lengthening auctions impacts the number of buyers bidding, with optimal listings influencing supply and demand

SGLT2 inhibitors may reduce the risk of gout in patients with type 2 diabetes

A recent study published in Annals of Internal Medicine found that adults with type 2 diabetes who were newly prescribed SGLT2 inhibitors had a lower rate of gout compared to those prescribed GLP1 agonists. This suggests that SGLT2 inhibitors may be effective in reducing the risk of gout among patients with type 2 diabetes.

Artificial muscle sheets transform stem cells into bone

Researchers have developed a new method to transform stem cells into bone cells using an artificial muscle sheet with shape-memory function. This technology has potential applications in treating complex bone fractures by culturing stem cells on the sheet and adapting them to directly strengthen bones.

TESS dates an ancient collision with our galaxy

A team of scientists has used data from the TESS satellite and ground-based telescopes to determine an ancient collision between our galaxy and Gaia-Enceladus occurred early in its history. The study reveals new insights into the history of the Milky Way, providing a timeline for the collision.

Celestron NexStar 8SE Computerized Telescope

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New study reveals international movements of Atlantic tarpon, need for protection

A new study by the University of Miami Rosenstiel School revealed that Atlantic tarpon migrate thousands of kilometers in distance beyond U.S. borders. The research found the fish use both freshwater and estuarine habitats throughout their life, with previously unknown spawning locations identified in Florida and the Gulf of Mexico.

Connecting the dots in the migraine brain

Researchers found structural brain connectivity changes between migraine patients and healthy volunteers, as well as between episodic and chronic migraine patients. Strengthening connectivity was observed in areas implicated in migraine's pathophysiology, while weakening connectivity patterns were seen in the temporal lobe of migraine ...

Common foods can help 'landscape' the jungle of our gut microbiome

Researchers found compounds in commonly consumed foods trigger phage production, killing harmful bacteria and promoting beneficial bacteria growth. This 'landscape' approach has far-reaching implications for controlling harmful microbes and maintaining a healthy gut microbiome.

CalDigit TS4 Thunderbolt 4 Dock

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Climate gas budgets highly overestimate methane discharge from Arctic Ocean

Scientists found that seasonal temperature variations in the Arctic Ocean significantly impact methane emissions, with a 43% decrease in colder conditions. This study corrected existing estimates in the methane emissions budget, highlighting the importance of considering seasonal changes in biogeochemical processes.

APS tip sheet: High energy gamma rays

Scientists with the HAWC Collaboration have detected gamma-ray emissions at unprecedented energy levels above 56 TeV. The findings suggest the presence of Galactic accelerators, known as PeVatrons, which could be a new area of research for pulsars and supernova remnants.

Meta Quest 3 512GB

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Improving fish stocks with fishery management

A study reveals that effective fisheries management can increase fish stock abundance and reduce yield loss from overfishing. In regions with less developed management, high fishing pressure results in a three-fold greater harvest rate compared to well-managed areas.

Record-setting ocean warmth continued in 2019

A new analysis shows the world's oceans were the warmest in 2019 than any other time in recorded human history. The study reveals that the past ten years have been the warmest on record for global ocean temperatures, with significant consequences for marine life and extreme weather events.

Risk of lead exposure linked to decreased brain volume in adolescents

A new study published in Nature Medicine reveals a relationship between lead exposure risk and brain structure in children from lower-income families. The research found that an increased risk of lead exposure is associated with decreases in cognitive performance and brain volume, but not in mid- or high-income families.

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.

Researchers solve a scientific mystery about evaporation

A team of researchers from the University of Houston has solved a scientific mystery about evaporation, shedding light on its role in industrial processes. The new understanding eliminates a long-standing bottleneck in predicting evaporation rates, enabling more accurate simulations and design of advanced systems.

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.

Glacier retreat and atmospheric mercury

Research suggests that glacier retreat leads to increased mercury uptake by vegetation, which can sequester more mercury than released glaciers. This phenomenon is not accounted for in current global models and has significant implications for global mercury cycling.

Israeli docs strike big blow to superbugs

A team of Israeli researchers has identified a short window of opportunity for treating antibiotic-resistant infections, where aggressive bacteria can be controlled with currently-available therapies. This breakthrough offers new hope for patients fighting life-threatening infections with weakened immune systems.

Engineers develop 'chameleon metals' that change surfaces in response to heat

Researchers at Iowa State University have created liquid metal alloys that can change their surface structure in response to heat, allowing for the development of 'smart' alloy systems. This technology could inspire design of tunable surface patterns and their composition with temperature for applications such as sensing and catalysis.

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.

CLICS: World's largest database of cross-linguistic lexical associations

The latest version of CLICS significantly increases the number of languages and concepts available, allowing researchers to study colexifications on a global scale. The database facilitates standardization of linguistic datasets and provides solutions to persistent challenges in linguistic research.

A replacement for exercise?

Researchers found that Sestrin, a naturally occurring protein, can improve endurance and respiration in flies and mice. It may also help prevent muscle atrophy, potentially leading to new treatments for aging-related muscle wasting.

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.

When pregnant moms are stressed out, babies' brains suffer

A study found that pregnant women with congenital heart disease (CHD) are more likely to test positive for stress, anxiety, and depression, which can impair fetal brain development. The study suggests that routine screening for psychological distress is crucial during prenatal care.

Children's packed lunches lack nutritional quality

A recent study found that fewer than two in every 100 packed lunches meet nutritional standards, with an increase in vegetables and a decrease in sugary food. The researchers argue that the Government should make fresh vegetables freely available in schools and that the food industry should develop healthier options.

Burnout linked with irregular heartbeat

A large study published in the European Journal of Preventive Cardiology found that individuals with burnout syndrome are at a 20% higher risk of developing atrial fibrillation. Chronic stress and inflammation may be key mechanisms behind this association.

Circular RNA limits skin cancer spread

Researchers at NYU Langone Health have discovered a new role for circular RNA in regulating the spread of melanoma cancers. The study found that CDR1as blocks the aggressive growth of cancer cells, while its loss promotes it. Higher levels of CDR1as were linked to increased survival rates among patients with melanoma.

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.

Experimental therapy may offer hope for rare genetic disorders

Researchers at Massachusetts General Hospital have developed a new therapy to alleviate problems caused by dysfunctional mitochondria, which produce energy in cells. The discovery could lead to treatments for rare diseases and age-associated disorders characterized by redox imbalance.

Connector fungi offer new clues to fate of nitrogen in warming tundra

Researchers discovered that fungi associated with shallow-rooted tundra shrubs can access deep nitrogen stores from thawing permafrost, regardless of the plant's root system. This finding has implications for understanding the fate of nitrogen in a warming Arctic and potentially offsetting carbon losses.

Ancient migration of Brazilian Native Americans

The study reveals that ancient Tupí took a direct route from the Amazon to the Atlantic Coast, giving rise to coastal Tupí and Guaraní populations. Genomic data from present-day individuals also supports the hypothesis that Native Americans left the Amazon to search for new land to cultivate.

Sony Alpha a7 IV (Body Only)

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