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Science News Archive January 2018


Page 11 of 37

Study provides first systematic survey of metabolites across tumor types

A comprehensive dataset of cancer cell metabolites has been compiled, showing consistent increases or decreases in certain metabolites across multiple tumor types. The study's findings offer insights into the metabolic programming between normal and cancer cells, with potential applications for novel therapies.

15 years later, PEPFAR continues to save lives

The United States President's Emergency Plan for AIDS Relief (PEPFAR) has saved millions of lives since its inception in 2003. PEPFAR-funded programs have delivered antiretroviral therapy to over 13 million people, prevented 2.2 million perinatal HIV infections, and supported vulnerable children impacted by HIV.

Apple iPhone 17 Pro

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

Decision support systems may improve quality of patient surgical care

A study published in Anesthesiology found that a novel operating room software system improved management of lung ventilation in patients during surgery, but did not affect postoperative outcomes. The system provides a 'live' schematic organ system view and digital alerts to aid physicians in decision-making.

High-res imaging gives an unparalleled view of how fungi grow

Researchers used high-speed pulse-chase imaging to study fungal growth, revealing precise timing of vesicle movement and motor protein involvement. The technique provided unprecedented precision, allowing for the discovery of different types of vesicles moving at varying velocities along the hypha.

Earth's core and mantle separated in a disorderly fashion

A team of scientists has found evidence that the Earth's core and mantle separated in a disordered fashion, preserving unique isotopic signatures. The researchers believe that chemical behavior of iodine at high pressure played a crucial role in this process.

Mathematicians develop model for how new ideas emerge

A mathematical model has been developed to explain how new ideas emerge, using Heaps' law and complex networks to analyze the discovery process. The study reveals that innovations often arise in clusters and are strongly correlated, providing insights for effective interventions to nurture sustainable growth.

Can cruise vacations contribute to well-being?

A new study reveals that cruise vacations offer benefits beyond just fun, with emotional and relational experiences contributing to short-term happiness. Long-term happiness is linked to thinking experiences, including exploring new cultures, practicing introspection, and broadening horizons.

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.

'Smart' contact lenses monitor glucose levels in tears

A new report describes a soft, flexible contact lens that monitors glucose levels in tears through wireless circuits, glucose sensors, and displays. The device can deliver real-time sensing results and alerts users if glucose levels are too high, offering potential for pre-diabetes screening and daily monitoring.

A call for greater attention to older women's sexual health

The Journal of the American Geriatrics Society article highlights issues in caring for older women's sexual health, including insufficient physician training. Physicians should regularly inquire about sexual activity and function, offering practical advice on common chronic medical conditions and vulvovaginal atrophy.

Scientists culture human placenta stem cells for first time

Researchers at Tohoku University have successfully cultured human placenta stem cells for the first time, opening up new avenues for studying fetal development and maternal health. The study, led by Takahiro Arima, has shed light on the crucial role of trophoblast cells in supporting fetal growth and development.

Star-gazing on the reef

Researchers have discovered that brittle stars use thousands of light-sensitive cells in their skin to navigate complex environments. The team found these photoreceptors on the entire body surface and embedded them in the skin, challenging a long-held lens-based hypothesis.

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 type of virus found in the ocean

Researchers at MIT and Albert Einstein College of Medicine isolate and study a new group of viruses that lack tails and can infect dozens of different types of bacteria. The Autolykiviridae provide key insights into viral evolution, bacterial populations, and the ocean's ecosystem.

New meta-analysis: Recreational football is broad-spectrum medicine

A new meta-analysis finds that 3-6 months of football training twice a week improves cardiovascular fitness by 3.51 mL/min/kg, lowers fat mass and resting heart rate, and reduces blood pressure in patients with hypertension and type 2 diabetes. Football is considered broad-spectrum medicine for lifestyle disease prevention.

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.

tRNA fragments in mosquitos may play role in spreading disease

A recent study found that tRNA fragments in mosquitoes can modulate their ability to transmit viral diseases to humans. The researchers identified 55 tRNA-derived fragments with varying expression patterns across different strains and developmental stages.

Enzyme with surprising dual function

Scientists at the University of Bonn have found that ceramide synthase not only produces vital lipids but also regulates gene activity, particularly in response to nutritional status. The enzyme's homeodomain plays a crucial role in adapting gene expression to energy requirements.

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.

Drones learn to navigate autonomously by imitating cars and bicycles

Researchers developed DroNet, an algorithm that enables drones to safely navigate through urban environments using a normal camera and powerful artificial intelligence. The drones learned to respect safety rules and adapt to new environments, paving the way for fully autonomous drones in various applications.

Princesses and action heroes are for boys and girls

A study found that children exposed to counter-stereotypic peers in magazines were more flexible in their attitudes about who should play with certain toys. This counters the idea that gender segregation is inevitable in young children.

Married veterans more at risk of suicide than single soldiers

A new study finds that married veterans are more likely to experience suicidal thoughts and behaviors compared to their single counterparts. The research, which analyzed responses from 772 recently returned veterans, also highlights the importance of addressing spiritual struggles in veteran suicide prevention efforts.

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.

Reaching the breaking point

A new study from the University of Utah suggests that repeated stress from everyday activities like walking can cause microdamage to bones in older adults, leading to a higher risk of breakage. This theory, known as 'cyclic loading,' challenges the common-held belief that bone breaks are caused by single impacts or forces.

Study explores how propaganda recruits terrorists

A study at UMass Lowell aims to predict behavioral outcomes based on propaganda type and viewer personality. The research will produce training materials and educational content to counter terrorist recruitment techniques.

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.

Interacting Antarctic glaciers may cause faster melt and sea level contributions

A new study by Stanford researchers found that a large and unstable Antarctic glacier may be melting farther inland than previously thought, posing a threat to global sea levels. The Pine Island Glacier's Southwest Tributary could trigger or accelerate ice loss in Thwaites Glacier, potentially speeding the rate of sea-level rise.

The big picture of Great Lakes mercury pollution

A study led by Michigan Technological University explores mercury pollution in the Great Lakes, particularly in Michigan's Upper Peninsula. The research focuses on policy scenarios to reduce mercury emissions and provides insights into regional remediation efforts and fish safety for local communities.

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.

PCOS may reduce gut bacteria diversity

A new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that women with PCOS have less diverse gut bacteria, which may influence the development of the condition and its impact on quality of life. Elevated testosterone levels in women with PCOS were linked to these changes.

A superficial relationship: Soap on water

Researchers at OIST Graduate University studied the Marangoni effect, which causes soap to spread on water's surface. They developed a method to quantify the phenomenon through three independent measurements, showing that surfactant dissolution and spreading affect its behavior.

Racial and ethnic disparities in live donor kidney transplants

Despite policies to increase diversity, racial/ethnic minority patients are less likely to receive live donor kidney transplants. The study found that disparities worsened over the last two decades, with black patients receiving only a quarter of the number of live donor transplants as white patients.

Deaf children learn words faster than hearing children

Children with cochlear implants learn words faster than their hearing counterparts, thanks to earlier exposure to spoken language and better-developed brain structures. Researchers found that these children build up word pools at an accelerated rate.

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.

How plants see light

A team of scientists has identified two proteins, PCH1 and PCHL, that regulate the activity of phytochrome B, a key photoreceptor protein in plants. This discovery allows plants to adapt their light sensitivity to different environmental conditions, enabling them to optimize photosynthesis and 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.

Premature births linked to changes in mother's bacteria

A recent study published in BMC Medicine suggests that premature births are associated with an imbalance of bacteria in the mother's reproductive tract. The researchers found that subtle changes in vaginal microbiota were strongly linked to early water breakage and preterm birth, which can increase the risk of sepsis for newborns.

A new therapeutic avenue for Parkinson's disease

Researchers at the Buck Institute for Research on Aging have identified a potential therapeutic avenue for Parkinson's disease by clearing senescent astrocytes, which stop dividing and secrete deleterious factors. This approach shows promise in preventing symptoms of the incurable neurological disorder.

Scientists find oxidized iron deep within the Earth's interior

Researchers found highly oxidized iron in garnets from diamonds at a depth of 550 km below the Earth's surface, contradicting expectations about iron oxidation in the mantle. This discovery suggests that molten carbonate may have oxidized rocks to form diamonds.

Viral probe gives ringside view of cell-to-cell combat

Researchers used a plant virus to study how plants defend themselves against invading pathogens, revealing key receptor proteins that regulate RNA interference. The findings also identified a suppressor protein named C4 used by the virus to disarm the plant's defence mechanism.

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.

Smart baby pillows for flat head syndrome prevention

A smart baby pillow has been introduced to prevent and correct mild cases of flat head syndrome. The device features an embedded air volume control system and a real-time soft tactile sensor to monitor the baby's head position.

Opening the cavity floodgates

Researchers at the University of Freiburg have identified a specific position on TatC that can be chemically altered by DCCD, inhibiting contact with the Tat substrate. This finding reveals the mechanism of how TatC and TatB components assemble into an active transporter, creating a cavity for protein insertion.

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.

Starving tumors: New target discovered

Scientists at German Cancer Research Center have discovered a new target for anti-angiogenic tumor therapy by deleting a signaling molecule in mice, leading to delayed tumor growth and limited metastases. The receptor Tie1 plays a crucial role in angiogenesis and is overexpressed in tumors.