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Science News Archive April 2019


Page 14 of 44

New genomics tool ECCITE-seq expands multimodal single cell analysis

ECCITE-seq allows researchers to profile different types of biomolecules from thousands of single cells in parallel, offering a breadth of information that can be used as readout in CRISPR-based pooled genetics screens. This technique enables fine dissection of specific cell subtypes and helps reveal a transcriptomic signature of malig...

The kids are alright

Researchers found higher rates of adaptive evolution in genes involved in resource allocation, particularly in seeds and endosperm tissues. This suggests that conflicts among kin can lead to rapid evolution, supporting the idea of an evolutionary arms race within plant families.

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.

Study shows zoos and aquariums increase species knowledge index 800%

A study published in PNAS confirms that zoos and aquariums hold critical information about more than 98% of known species, including fertility and survival rates. By analyzing data from the Zoological Information Management System (ZIMS), researchers were able to fill large gaps in demographic knowledge for these species.

How slippery surfaces allow sticky pastes and gels to slide

Researchers at MIT have created liquid-impregnated surfaces that can significantly reduce friction for yield-stress fluids like gels and pastes. These coatings enable the efficient processing of materials in industries such as food, cosmetics, and pharmaceuticals, reducing waste and improving product quality.

Climate change has worsened global economic inequality

A new Stanford University study reveals that global warming has increased economic inequality globally. The study shows that most poor countries are poorer without climate change, while rich countries are richer. Economic growth in tropical countries is decreased by 17-30% due to warming.

Apple iPhone 17 Pro

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

Bacteria use their enemy -- phage -- for 'self-recognition'

Researchers discovered that bacteria can distinguish themselves from closely related competitors through the use of a virus. A novel phage, SW1, controls formation of a demarcation line by utilizing one of the host's cryptic prophage proteins, providing conditional benefits to E. coli K-12.

Hole-forming protein may suppress tumor growth

Researchers discovered that gasdermin E forms holes in cell membranes, leading to cell death and suppressing tumor growth. The protein's expression is lower in many types of cancer, suggesting it may be a useful target for improving cancer therapy.

Modified 'white graphene' for eco-friendly energy

Researchers from TPU, Germany, and US successfully functionalized 'white graphene' using eco-friendly photopolymerization without altering its properties. The new material was used as a catalyst for splitting water into hydrogen and oxygen, offering a promising alternative to expensive platinum or gold.

Promise of liquid biopsy in cancer biomarker detection and prenatal screening

The article discusses the potential of liquid biopsy in cancer diagnosis, focusing on targeted disease diagnosis and detection of cancer biomarkers. Researchers have successfully detected specific genetic mutations using digital PCR, identifying promising biomarkers for various cancers, including melanoma and lung squamous cell carcinoma.

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.

Transgender adults more likely to report worse health-related quality of life

A large national health survey found that transgender adults are more likely to experience poor health, fewer days of combined physical and mental well-being, and greater activity limitations. The study highlights the need for all states and territories to use a sexual orientation and gender identity module to inform policies affecting...

Metformin may help patients maintain weight loss long-term

A study published in Annals of Internal Medicine found that metformin helped patients maintain weight loss over a period of 15 years. The researchers identified being older and losing a greater amount of weight in the first year as key predictors of lasting weight loss.

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.

Researchers outline how humans reduce uncertainty in social situations

A team of Brown University scientists has developed a framework to apply mathematical models of uncertainty to social scenarios, proposing three interrelated methods people use to reduce social uncertainty. The first method, automatic inference, involves predicting another person's behavior based on appearance and social norms, while t...

Droplet trains reveal how nature navigates blood traffic

Researchers at IBS report discovering spontaneous oscillations in microfluidic droplet networks, similar to our blood capillaries. Adding irregularities to the network relieves blood traffic cloggings, suggesting cell collisions or diameter variations help avoid dangerous oscillations.

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.

Detecting and editing DNA methylation in oocytes

Researchers developed a method to detect and edit DNA methylation in individual mouse oocytes, enabling predictions of offspring phenotype. The technique allows for correction of genetic disorders, such as Angelman syndrome, and may facilitate study of epigenetic information.

Economic inequality and global warming

A new study reveals a strong connection between global warming and rising economic disparities worldwide. The research, led by Noah S. Diffenbaugh and Marshall Burke, suggests that long-term climate change has decreased economic growth in poor countries while increasing it in wealthy nations.

Working out makes hydrogels perform more like muscle

Researchers created hydrogels that mimic muscle properties through mechanical training, producing strong, soft, and fatigue-resistant materials for medical implants and engineering applications. The trained hydrogels demonstrate improved tensile strength, soft flexibility, and high water content.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Rurality, social identity is driving polarization in Iowa

A new Iowa State University study found that rurality, education, and race significantly predicted the change from Democrat to Republican in Iowa. White, rural voters without a college education were more likely to switch to Republican. The research counters the narrative that economic anxiety was the reason for this shift.

Photonics: The curious case of the disappearing cylinders

Researchers at Tokyo Institute of Technology have discovered a way to make submicron-sized cylinders disappear using optical frequency illumination. This breakthrough could lead to new kinds of detectors and sensors for the medical and aerospace industries, without the need for expensive metamaterial coatings.

Preschool health program successful in instilling heart healthy habits

A new study published in the Journal of the American College of Cardiology found that a preschool health program significantly increased healthy habit awareness among children from an underserved community. The program resulted in a 2.2-fold higher score on overall knowledge, attitudes and habits towards a healthy lifestyle.

Mauritian medical herbs possess antitumor properties

Researchers have identified three medicinal plants from Mauritius with effective inhibitors of esophageal cancer cells, stopping their growth and contributing to their death. The extracts contain natural chemical compounds that restrain the G2/M stages transition in malignant tumor cells by activating AMPK signaling pathway.

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.

Snake-inspired robot slithers even better than predecessor

Researchers developed a new snake-inspired soft robot using programmable kirigami metamaterials, enabling responsive surfaces and smart skins. The robot can now change its shape in response to programmed sequences of pop-ups, improving speed and accuracy.

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.

Loss of Greenland Ice Sheet mass

Researchers reconstructed Greenland Ice Sheet mass changes from 1972 to 2018 using data on ice velocity, thickness, and surface elevation. The study found a significant increase in ice loss, with an average of 290 Gt per year during 2010-2018, contributing to a 13.7 mm rise in global sea level.

Slime mold absorbs substances to memorize them

Researchers found that slime molds can store knowledge of salty environments through absorption, allowing for up to a month of retention. The study suggests that the substance itself supports the slime mold's memory, rather than just the environment.

Study highlights global burden of emergency diseases and conditions

A study by Johns Hopkins Medicine researcher Junaid Razzak found a 6% increase in deaths due to emergency conditions between 1990 and 2015. The mortality burden was highest in low-income countries, with injuries, heart attacks, lung infections, and strokes being the top causes.

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.

Older adults starting dialysis die at higher rates than previously thought

A new study by Harvard Medical School researchers found that nearly half of older adults who start dialysis die within a year, with death rates being almost twice as high as previously reported statistics. The study's results can help inform patient decisions and physician choice of treatment for end-stage kidney disease.

Asia's diabetes epidemic preferentially kills women, the middle-aged: Study

A multinational study led by Vanderbilt University researchers has found that diabetes has reached epidemic proportions in Asia, dramatically increasing the risk of premature death, especially among women and middle-aged people. The study highlights the urgent need for tailored diabetes management programs for Asian populations.

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.

New technique produces longer-lasting lithium batteries

Columbia engineers develop a nano-coating of boron nitride to stabilize solid electrolytes in lithium metal batteries, increasing battery life while ensuring safety. The new method achieves record-thin protection layers without lowering energy density.

FEFU scientists are developing brand-new method to heal brain cancer

Researchers from FEFU and international partners discover potential targets for glioblastoma multiforme treatment by studying proteins in the WNT signaling pathway. The findings could lead to improved antitumor therapy outcome through suppression of cancer stem cells, accelerating tumor growth rate.

No increase in complications with 'tummy tuck' in obese patients

A study published in Plastic and Reconstructive Surgery found that obese patients do not have a higher risk of complications after abdominoplasty, also known as tummy tuck surgery. The study included 82 patients who underwent the procedure over a seven-year period, with similar complication rates between obese and non-obese patients.

Plant-based diets can be effective in reducing heart failure risk

A new study found that plant-based diets can lower the risk of heart failure in adults without known heart disease, while Southern diets are linked to higher risk. The study examined five dietary patterns and their association with incident heart failure hospitalizations.

Defying the laws of physics? Columbia engineers demonstrate bubbles of sand

Researchers at Columbia University have discovered a new family of gravitational instabilities in granular particles, where lighter grains rise through heavier grains like 'fingers' and 'bubbles'. This phenomenon sheds light on geological processes and has potential applications in pharmaceutical production and carbon capture.

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.

Human influence on climate change is traced back to the 19th century

A recent study by Duan et al. has shown that human influence on climate change can be traced back to the late 19th century based on summer-winter temperature difference. The amplitude of seasonal temperature fluctuations has been decreasing widely, and this trend can be traced back to the 1860s.

Inherited effects of exercise on the brain

A study found that exercise-induced cognitive improvements can be inherited by offspring via sperm. Exercise has been shown to increase the growth of immature neurons and improve mitochondrial function in the brain, leading to enhanced memory performance.

Protecting damaged hearts with microRNAs

Researchers have identified two microRNA family members that can provide both immediate and long-term protection against heart damage. The therapy targets the miR-19a/b microRNAs, which regulate proliferation of cardiomyocytes and reduce inflammation, leading to improved heart function.

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.

A deep-learning model may help predict lung cancer survival and outcomes

A deep-learning model developed using serial image scans of tumors from patients with non-small cell lung cancer (NSCLC) predicted treatment response and survival outcomes better than standard clinical parameters. The model's performance improved with the addition of each follow-up scan, predicting two-year survival with an accuracy of...

Semiconductor scientists discover effect that was thought impossible

Researchers from Moscow Institute of Physics and Technology have found superinjection to be possible in homostructures, composed of a single material. This enables the creation of mass market devices, such as ultraviolet LEDs thousands of times brighter than previously thought possible.

Marine Skin dives deeper for better monitoring

Marine Skin, a polymer-based material with integrated electronics, revolutionizes sea life monitoring by tracking movement and diving behavior, as well as environmental health. The system can operate at unprecedented depths, with enhanced sensitivity, and plans include additional sensing capabilities.

Mixing grass varieties may reduce insect infestations in lawns

A recent study found that mixing different cultivars of St. Augustinegrass reduced fall armyworm infestations in lawns. The researchers discovered that the caterpillars preferred single-variety plantings, but when multiple cultivars were planted together, it created a more pest-resistant lawn.

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.