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Science News Archive January 2020


Page 5 of 40

Mixed chimerism improves long-term kidney transplant outlook

A new study in 50 patients found that persistent mixed chimerism can reduce the reliance on immunosuppressive drugs after a kidney transplant. The treatment achieved immune tolerance and reduced rejection episodes, allowing some patients to survive with their donated kidneys for over eight years.

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.

Brain tumors remodel neuronal synapses to promote growth

Researchers at Baylor College of Medicine discovered that brain tumors remodel neighboring neurons to promote tumor growth and seizure activity. Two variants of the PIK3CA gene drive this process, altering synaptic gene expression and inducing hyperexcitability in surrounding neurons.

Neural effects of acute stress on appetite: a magnetoencephalography study

A magnetoencephalography study found that acute stress suppresses appetite by altering neural activity in the frontal pole, which is involved in thinking and planning. The findings suggest that expectations of future actions can interfere with appetite regulation, leading to increased sympathetic nerve activity and decreased alpha band...

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.

Researchers seek to solve decades-long Baja California peninsula mystery

A team of researchers from the University of Arizona and other institutions is studying the Baja California peninsula's evolution and biodiversity over time. They aim to determine how geological activity, rainfall patterns, and climate cycles have shaped the region's biodiversity and found that multiple causations are likely.

Openly acknowledging social inequalities

A multinational study by University of Zurich researchers found that members of disadvantaged groups are less likely to support social change when interacting with privileged groups, but more willing to work in solidarity. The study suggests that actively acknowledging structural inequalities can prevent perpetuation of group disparities.

Synchronized swimming: Biology on a micro-scale

Scientists studied the behavior of viscoelastic fluids interacting with tiny structures called cilia. They found that fluid elasticity drives patterned movement of cilia, but only under specific conditions. Future research aims to develop new biological models and understand the dynamic movements within cells.

Can chickpea genes save mustard seeds from blight disease?

Researchers have identified chickpea genes that offer robust non-host resistance to Alternaria blight, a devastating fungal disease affecting Brassica crops. The study reveals these genes can suppress fungal development and colonization in mustard plants, paving the way for blight-resistant crop varieties.

Pollination is better in cities than in the countryside

A study by the German Centre for Integrative Biodiversity Research found that flowering plants are better pollinated in urban areas than in rural regions. Bees, particularly bumblebees, played a crucial role in this process. The researchers recommend considering the needs of bees when planning green spaces in both cities and countryside.

Apple iPhone 17 Pro

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

Missing link in rare inherited skin disease exposed

Hokkaido University scientists have discovered the missing link in a rare hereditary disease that impairs the skin's barrier function. They found that fatty acid transporter member 4 (FATP4) plays a critical role in synthesizing acylceramides, key skin lipids that prevent water loss and protect against pathogens.

Study shows promising new web approach to prevent firearm suicide

A new online tool, Lock to Live, has been developed to help suicidal adults make decisions about reducing access to firearms and other potential suicide methods. The self-administered web resource was tested in a pilot trial with promising results, including high interest and acceptance among participants.

Do DIY DNA kits revive a harmful perceived link between genetics and race?

A new study from University of Pennsylvania sociologist Wendy Roth found that DIY DNA tests do not lead to a greater belief in racial essentialism. However, those who understand more about genetics going in become more skeptical, while those with less understanding believe in essentialism more strongly.

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.

Microplastics from ocean fishing can 'hide' in deep sediments

Researchers found a strong correlation between the intensity of fishing activities and microplastic abundance in sediment samples. Microplastics were detected even one foot below the surface, suggesting that previous studies may have underestimated ocean sediment pollution.

Antibiotic-resistance in Tanzania is an environmental problem

A four-year study found that antibiotic-resistant bacteria are prevalent in people, wildlife, and water sources in northeastern Tanzania. The researchers suggest that environmental transmission is the primary driver of resistance, making hygiene and sanitation a critical factor in combatting the issue.

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.

Owners of high-status cars are on a collision course with traffic

A study by University of Helsinki professor Jan-Erik Lönnqvist found that self-centred men with disagreeable personality traits are more likely to own high-status cars and break traffic regulations. Conscientious individuals, on the other hand, also prefer high-status cars due to their desire for reliability and quality image.

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.

After a bone injury, shape-shifting cells rush to the rescue

Researchers discover that mature bone marrow stromal cells can transform into regenerative cells after an injury, providing an alternative source for bone healing. This breakthrough suggests that these cells could be generated through transformation of readily available mature stromal cells.

A strong foundation

Scientists at UC Santa Barbara's Marine Science Institute found a correlation between the stability of giant kelp and understory seaweed and seafloor invertebrates, leading to higher biodiversity. The study suggests that robust kelp increases species diversity, promoting ecosystem stability.

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.

Low-calorie sweeteners do not mean low risk for infants

A study by Dr. Raylene Reimer found that low-calorie sweeteners increased body fat and disrupted gut microbiota in offspring, even when consumed during pregnancy or breastfeeding. The findings suggest a potential link between artificial sweeteners and obesity risk in early life.

Fermented soy products linked to lower risk of death

A higher intake of fermented soy products, such as natto and miso, is associated with a lower risk of all-cause mortality. The study found that men who ate natto had a lower risk of cardiovascular mortality than those who did not.

Genetics contributes to mental health risks in adoptees

A large genetic risk study found that adoptees had a slightly elevated genetic risk for depression, schizophrenia, and neuroticism. The adoption process did not increase the impact of this genetic risk, suggesting that both environment and genetics play a role in mental health problems.

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.

Guardian angel of the eye

Researchers from TUM have identified a new role for the alpha-A-crystallin protein in protecting other proteins from oxidation, which may contribute to the prevention of cataracts and age-related blindness. The study reveals that oxidized alpha-A-crystallin can transfer disulfide bridges to other proteins, influencing their redox state.

New study could prevent future heart attacks and stroke for chest pain patients

Researchers will analyze a database of anonymized GP consultations and medical records to identify shared characteristics among patients with undiagnosed chest pain who later experience a heart attack or stroke. The study's findings could inform GPs about warning signs, enabling early intervention and potentially preventing many cases.

Poverty associated with suicide risk in children and adolescents

Research from Boston Children's Hospital shows a strong association between poverty levels and suicide rates among children and teens. The study found that counties with higher poverty rates had nearly 37% higher suicide rates compared to those with lower poverty rates.

Catholic hospital market share and reproductive care access

A new study found that Catholic hospitals have a significant market share in many US counties, but often limit reproductive health services. Despite this, Health Insurance Marketplace plans' provider networks include fewer Catholic hospitals than overall county markets.

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.

Hermetically sealed semi-conductors

Researchers have developed a new encapsulation technique to protect the electronic properties of sensitive materials like indium selenide and gallium selenide. The method uses hexagonal boron nitride to encase the material, preserving its performance and enabling its integration into electronic components.

NRL researchers' golden touch enhances quantum technology

Researchers at NRL have discovered a new platform for quantum technologies by suspending two-dimensional (2-D) crystals over pores in a slab of gold. This approach may help develop new materials for secure communication and sensing technologies based on unique atomic laws.

Fluke 87V Industrial Digital Multimeter

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

Medicaid expansion reduce cancer, saves black lives

Expanding Medicaid in North Carolina would reduce colon cancers and improve access to care for men of all races, saving thousands of Black male lives. The study found that the state would save $5.1 million in cumulative cost savings by 2044.

Meteorites reveal high carbon dioxide levels on early Earth

Tiny meteorites found in ancient soils suggest carbon dioxide made up 25-50 percent of Earth's atmosphere 2.7 billion years ago, indicating a warm planet. Lower nitrogen levels resulting from lower pressure would allow for both high CO2 and cool conditions.

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.

Anti-solar cells: A photovoltaic cell that works at night

Researchers have developed anti-solar cells that can harness power from infrared radiation at night, offering a potential solution for balancing the power grid around the day-night cycle. The devices work by emitting light instead of absorbing it, using different materials and physics.

How to head off a Red Bull habit -- study

A study at Flinders University in Australia found that a form of cognitive incentive retraining can help regular consumers of energy drinks reduce their consumption. The training aimed to tackle attentional and approach biases towards energy drinks, helping participants moderate their bias towards choosing healthier options.

Speedy recovery: New corn performs better in cold

Researchers at Boyce Thompson Institute developed a new type of corn that recovers much more quickly after a cold snap, allowing for earlier harvests and potentially higher crop yields. This breakthrough could enable farmers to command better prices for their crops in temperate climates.

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.

Long life, good health

The American Heart Association's 2030 Impact Goals aim to increase healthy life expectancy globally, with targets of 67 years by 2030. Despite positive trends in cardiovascular health, the US faces challenges such as obesity and inadequate physical activity among youth.

NSF's newest solar telescope produces first images

The National Science Foundation's newest solar telescope has successfully produced its first images of the sun's surface. The telescope, which uses advanced technology to study the sun's magnetic field and temperature, is expected to provide valuable insights into the sun's behavior and impact on Earth

Suicidal thoughts among US Army soldiers deployed to Afghanistan

A study of nearly 4,000 US Army soldiers found that 11.7% experienced suicidal thoughts at some point in their lives, with a peak risk period during the midpoint of deployment. Risk factors included being white, past noncombat trauma, and major depressive disorder.

Biophysicists find 'extra' component in molecular motor

Researchers at Moscow Institute of Physics and Technology have identified quinone molecules in the C ring of ATP synthase, a molecular machine that produces energy-conserving compound ATP. The discovery opens up new avenues for understanding how cells store and utilize energy.

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.

Fungi as food source for plants

Researchers discover that up to 90% of plant species rely on fungi for organic nutrients, challenging the long-held assumption of fair exchange relationships.