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Science News Archive 2017


Page 72 of 461

In autism, too many brain connections may be at root of condition

A study from Washington University School of Medicine found that a defective gene linked to autism influences how neurons connect and communicate in the brain. Mice lacking this gene formed more connections, leading to difficulties in learning and social interactions.

Apple iPhone 17 Pro

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

Order in disorder: A key feature of dendritic organization in the brain

A recent study by Max Planck Florida Institute for Neuroscience researchers found that neighboring dendritic spines within a few micrometers of each other share similar functional properties, regardless of the diversity of sensory features they encode. This discovery suggests that local order in dendritic spine functional properties ma...

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.

Several reasons why whole grains are healthy

A large Danish study found that whole grains reduce inflammation in the body and lead to weight loss in overweight adults. The study suggests that choosing whole grains over refined grains can have numerous health benefits, particularly for individuals at risk of cardiovascular disease or type 2 diabetes.

Dioxane-chomping microbe has helpful gene

Researchers at Rice University have discovered a novel gene cluster in Mycobacterium dioxanotrophicus PH-06 that expresses an enzyme capable of initiating dioxane biodegradation. This finding could lead to the development of a cost-effective tool for treating contaminated groundwater sites.

Key to better asparagus identified in evolution of sex chromosomes

Researchers at the University of Georgia sequenced the genome of garden asparagus, shedding light on sex chromosome evolution and aiding breeding efforts. They identified genetic markers that allow breeders to efficiently distinguish male and female plants, paving the way for more efficient development and production of valuable hybrid...

Worldwide 52 million children living with viral hepatitis

New data reveals 52 million children globally affected by viral hepatitis, highlighting the need for treatment and prevention. Despite declining hepatitis B infections among children, cases of hepatitis C are expected to continue growing due to lack of programs for pregnant women living with the virus.

Fluke 87V Industrial Digital Multimeter

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

Results from the DAPT STEMI trial reported at TCT 2017

The DAPT STEMI trial found that six months of dual antiplatelet therapy was non-inferior to twelve months in STEMI patients receiving drug-eluting stents, questioning the need for extended duration DAPT. The study's results suggest that STEMI patients may not benefit from prolonged DAPT therapy beyond six months.

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.

New, simplified technique makes light metallic nanofoam

Researchers at UC Davis developed a simplified method to produce extremely low-density palladium nanofoams, which have potential applications in hydrogen fuel cells. The new technique achieves high loading capacity and excellent thermodynamic stability, making it an ideal candidate for industrial-scale use.

How toxic air clouds mental health

A University of Washington study found a direct connection between toxic air and mental health, with fine particulate matter linked to increased psychological distress. The study, which controlled for other factors, showed that even moderate levels of pollution can be detrimental to health, particularly among specific populations.

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.

Scientists link pancreatic cancer survival to four genes

Researchers identified four genes - KRAS, CDKN2A, SMAD4, and TP53 - that influence pancreatic cancer survival. Patients with three or four altered genes had poorer disease-free and overall survival rates compared to those with single or dual alterations.

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.

Precise chiral cluster assembly by design

Researchers develop a method for assembling colloidal clusters using origami DNA, allowing precise control over particle orientation and properties. The technique enables the creation of clusters with specified chirality, which could lead to improved understanding and utilization of particles with unique optical or magnetic properties.

Hormone replacement therapy may be beneficial for women's memory

A new USC-led study suggests that estrogen treatment after menopause can mitigate the negative effects of stress on working memory. Women taking estrogen-only therapy had lower cortisol levels and better performed on tests following exposure to stress compared to those receiving a placebo.

Sugar-sweetened drinks raise risk of diabetes, metabolic syndrome

Regular consumption of sugar-sweetened beverages like soda and juice is associated with an increased risk of developing type 2 diabetes and metabolic syndrome. A review of 36 studies found that frequent intake of these beverages contributes to the onset of cardiometabolic diseases, including high blood pressure and heart disease.

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.

New treatment approach for autoimmune disorder

Researchers found that activating programmed cell death (necroptosis) in white blood cells leads to inflammation and auto-antibody attachment, contributing to disease progression. Inhibiting necroptosis may offer a new treatment approach for ANCA vasculitis.

How chromosomes 'cheat' for the chance to get into an egg

A team from the University of Pennsylvania discovered how chromosomes bias their chance of getting into a sex cell by exploiting asymmetry in the cell-division process. This bias can lead to errors in gamete formation, causing miscarriages and conditions like Down's syndrome.

Wrinkles give heat a jolt in pillared graphene

Pillared graphene's thermal transport was found to be faster with wrinkles due to reduced phonon scattering. The optimal configuration involves three octagons instead of six heptagons, facilitating a smoother turn without significantly stressing the graphene.

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.

Time to rewrite the dinosaur textbooks? Not quite yet!

A team of international experts has re-evaluated a radical proposal to split dinosaurs into two new groups, finding that the evidence is not strong enough to overthrow traditional classification models. The study suggests that the most likely site of origin for dinosaurs is still in the southern hemisphere, particularly South America.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Scientists develop groundnut resistant to aflatoxin

A breakthrough discovery has been made by suppressing the aflatoxin-producing fungus in groundnut, significantly improving food safety. The research, published in Plant Biotechnology Journal, has potential to contribute to food security in under-developed countries.

One-step 3-D printing of catalysts developed at Ames Laboratory

A US Department of Energy laboratory has developed a one-step 3D printing method for creating catalysts, which could lead to more efficient chemical reactions and improved industrial processes. The new technique uses inexpensive commercial printers to create structures with built-in catalytic properties.

Gut microbiome may make chemo drug toxic to patients

Researchers investigate how gut bacteria metabolize chemotherapy drug irinotecan, finding that certain individuals are more likely to experience severe side effects. The study suggests analyzing patients' microbiomes before treatment could predict and prevent adverse reactions.

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.

One step closer to defining dark matter, GPS satellite atomic clocks on the hunt

Researchers from University of Nevada, Reno used GPS satellites to search for dark matter clumps in the shape of walls or bubbles extending far beyond the solar system. The team found no evidence but ruled out a vast region of possibilities for this type of dark matter model, bringing them closer to defining its nature and composition.

New study: Innovative heart device is safe and effective

A new study has found that a pioneering heart valve repair device is safe and effective, reducing the need for open-heart procedures and resulting in improved quality and frequency of repairs. The Harpoon Mitral Valve Repair System repaired the heart while it continued to beat, with no deaths or major complications.

Nicotine's hold: What the gut and gender have to do with it

A mouse study found significant differences in gut microbiome composition between male and female mice exposed to nicotine, with potential implications for nicotine's addictive properties. The study suggests that the brain-gut relationship plays a crucial role in nicotine's effects, particularly in women.

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.

Scientists create magnetic system that transforms heat into motion

Researchers discover new technique to transform ambient heat into motion in nanoscale devices, revolutionizing data storage and sensors. The innovation uses a specific type of gear called a ratchet made from artificial spin ice material, which enables the conversion of thermal energy into directed rotation.

In vitro tissue microarrays for quick and efficient spheroid characterization

A new technology bridges clinical pathology assessment, high-content analysis, and 3D cell cultures, allowing rapid, automatable, and multiplex readouts. This technique is applied to mixed arrays made up of spheroid models from various cell lines, demonstrating its potential for safety and efficacy testing and model optimization.

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.

Life on the edge

New research reveals that 85% of forest vertebrates are impacted by fragmentation, with some species flourishing at the edge and others disappearing due to habitat loss. The study highlights the need for conservation efforts to protect species dependent on intact forest core areas.

Research documents link between nightmares and self-harm

Researchers at Florida State University found a connection between nightmares and self-injurious behavior, such as cutting or burning oneself. The study suggests that nightmares can disrupt emotional regulation, leading to increased risk of self-injury.

Inflammation in middle age may be tied to brain shrinkage decades later

Research suggests that chronic inflammation in mid-life may be an early contributor to brain cell loss and memory decline associated with Alzheimer's disease. The study found people with elevated inflammation biomarkers had smaller brain volumes and lower scores on a memory test compared to those without elevated markers.

Celestron NexStar 8SE Computerized Telescope

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

A new way to get a drug molecule into the cell?

Scientists discovered a new binding motif that enables positively charged amino acids to bind with negatively charged terminal groups in peptides or proteins. This discovery may help rationalize why certain peptides easily pass through cell membranes and aid in designing efficient transport of drug molecules.

Teen childbirth linked to increased risk for heart disease

Women who became first-time mothers as teens had greater risks for heart and blood vessel disease later in life compared to older mothers. Researchers found that adolescent mothers scored significantly higher on Framingham Risk Score, indicating a 10-year cardiovascular risk.

A nutrient mix makes phytoplankton thrive

Researchers found that over broad regions of the South Atlantic, a combination of two or three nutrients was needed to stimulate phytoplankton growth. This study provides experimental evidence for widespread nutrient co-limitation, which has implications for global ocean models and predictions about nutrient limitation.

Infertility linked to higher risk of death among women

Women with a history of infertility have a 10% increased risk of death compared to those without reported infertility struggles. Infertility is also linked to an increased risk of breast cancer and diabetes mortality, highlighting the need for further research into the long-term effects of infertility on women's health.

Miracle cure costs less than a budget airline flight

A 12-week course of hepatitis C drugs can be manufactured for just $50, making it cheaper than a plane ticket on many low-cost airlines. Generic copies are as effective as branded medicines, but restrictions and patent issues prevent widespread access.

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.