Bluesky Facebook Reddit Email

Science News Archive 2018


Page 63 of 473

See-through film rejects 70 percent of incoming solar heat

Researchers at MIT have developed a heat-rejecting film that can be applied to windows to reflect up to 70% of the sun's incoming heat. This innovative material could significantly reduce air conditioning costs and energy consumption, particularly in hot cities like Hong Kong.

Can't sleep? Fruit flies and energy drinks offer new clues

A new study has discovered a mechanism for regulating sleep in fruit flies that involves glial cells and an ingredient commonly found in energy drinks like Red Bull. The researchers found that the gene Eaat2 promotes wakefulness by limiting the length and intensity of sleep periods.

Decline in shorebirds linked to climate change, experts warn

A study analyzing population data over 70 years found that climate change is responsible for a substantial decline in shorebird populations. Rates of daily nest predation have increased threefold in the Arctic and doubled in the North Temperate Zone, leading to devastating effects on population numbers.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

A buzz-worthy surprise during the total solar eclipse

During the 2017 total solar eclipse, researchers captured a surprising phenomenon: bees stopped buzzing as Earth fell into complete darkness. The study, led by Candace Galen at the University of Missouri, found that bees did not use the unusual darkness as a cue for night and instead flew during periods of reduced light.

Blue light can reduce blood pressure

Exposure to whole-body blue light significantly reduces systolic blood pressure by almost 8 mmHg, similar to blood pressure lowering drugs. Blue light also improves other cardiovascular risk markers such as arterial stiffness and increased blood vessel relaxation.

Bees on the brink

A new study led by James Crall at Harvard University found that exposure to neonicotinoid pesticides has profound effects on a host of social behaviors in bees, including reduced nursing of larvae and decreased social interaction. The study also showed that pesticides impair bees' ability to regulate temperatures inside the nest.

Don't stare! Monkey gaze study shows dopamine's role in response inhibition

Researchers at University of Tsukuba found that dopamine neurons are key to inhibiting preplanned actions in monkeys, suggesting a possible mechanism for treating diseases with impaired inhibition. The study used gaze fixation experiments to train monkeys to redirect their attention and measure neuronal activity.

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.

Species' longevity depends on brain cell numbers

Researchers found that brain cell numbers, not body size or metabolic rate, are the key factors determining maximal longevity in animals. The study suggests that a higher number of cortical neurons leads to longer lifespans and better adaptability.

When low-income families can meet their basic needs, children are healthier

Research from Children's HealthWatch highlights the importance of access to and effectiveness of programs enabling low-income families to afford basic needs like food, shelter, and medical care. The study found that living in a hardship-free family was associated with good overall health for children and caregivers.

Rutgers awarded $4.2 million to improve mental health services

Rutgers is creating a regional Mental Health Technology Transfer Center to train mental health practitioners and support the implementation of evidence-based research. The center will focus on increasing access to treatment, prevention, and recovery services for underserved populations.

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.

Navigating our thoughts: Fundamental principles of thinking

Researchers suggest that humans think using their brain's navigation system, storing information in cognitive spaces. This theory combines evidence from place and grid cells, allowing the formation of mental maps of surroundings and reactivated during later visits.

Cranking up the power setting may help some who use prosthetics

A study by Hwan Choi and colleagues found that powered ankle prosthetics can reduce metabolic costs for individuals with transtibial amputations. By adjusting the power setting, users can improve their walking ability and increase activity levels, reducing the risk of health consequences such as diabetes and cardiac disease.

Investigational urate elevation does not appear to raise hypertension risk

A recent study from Massachusetts General Hospital found no association between urate manipulation and blood pressure, suggesting that treating neurodegenerative disorders with elevated urate levels may not increase the risk of hypertension. The study used phase 2 clinical trial results and animal model studies to support its findings.

Apple iPhone 17 Pro

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

Catalyzing CO2

Researchers at Harvard University have developed a new system that captures CO2 from power plants and heavy industry, converting it into industrial fuels with high efficiency. The improved system uses renewable electricity to reduce carbon dioxide into carbon monoxide, addressing the two main challenges of cost and scalability.

Unlocking the secrets of metal-insulator transitions

Researchers used XPCS to study magnetite's electrical conductivity transition from insulator to metallic, finding it occurs in two steps. The technique revealed that the fast phase is one step and the slowing down is the second step, suggesting that metallic and insulating properties coexist during the phase change.

Meta Quest 3 512GB

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

Combination chemotherapy and immunotherapy effective in Phase II leukemia study

A Phase II study found a combination of azacitidine and nivolumab therapy resulted in a 33% overall response rate and 22% complete remission rate for patients with relapsed/refractory acute myeloid leukemia. The drug combination was particularly effective in patients who had not previously received hypomethylating agents, with an overa...

How do peptides penetrate cells? Two sides of the same coin

Scientists at IOCB Prague have discovered a previously unknown passive mechanism by which positively charged short peptides can penetrate cells. This process is based on membrane fusion induced by the transported peptides and shares the same mechanistic basis as known processes in neurons during nerve impulses.

Grants aim to give veterans better access to cancer trials

The SWOG Cancer Research Network and The Hope Foundation for Cancer Research provide grant support to U.S. Department of Veterans Affairs medical centers to enroll veterans in cancer clinical trials. This program aims to create a sustainable national network of sites offering new treatment options through clinical trials.

We now know how RNA molecules are organized in cells

A team of Université de Montreal researchers has visualized RNA molecule organization in cells using super-resolution microscopy. They found that messenger RNAs exist in multiple configurations, contradicting the long-standing model of a stable closed-loop conformation.

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.

New tool to predict which plants will become invasive

A new research from the University of Vermont provides insight to help predict which plants are likely to become invasive in a particular community. Plant height can be a competitive advantage for non-native plants, enabling them to outcompete native plants and spread more aggressively.

Genetic 'whodunnit' for cancer gene solved

Researchers at the Salk Institute found that late-stage cancers trigger AMPK's cellular recycling signal to cannibalize cell pieces, supplying large lung tumors with nutrients. Blocking AMPK in some conditions may stop advanced tumor growth.

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.

Traditional glaucoma test can miss severity of disease

A new study published in JAMA Ophthalmology found that traditional glaucoma tests often underestimate the severity of central vision loss. Researchers developed a finer visual field test to assess macular damage and found it can improve diagnosis at no extra cost.

Researchers simplify tiny structures' construction drip by drip

Princeton researchers have created a way to construct tiny structures, such as soft lenses for smartphones, using a simple method that doesn't require special equipment. The technique uses a liquid film and lasers to create precise patterns of droplets, resulting in uniform hexagonal structures.

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.

Replaying the tape of life: Is it possible?

A review explores the complexity of evolution's predictability, revealing a mix of contingency and determinism in evolutionary change. The study analyzed various empirical studies to characterize repeatability and contingency in evolution, finding that there is no easy answer to whether history affects the repeatability of evolution.

Gene signature discovery may predict response to immune therapy

Researchers have discovered a gene signature biomarker that can predict which patients will respond to immune therapy based on the extracellular matrix's stiffness around cancer cells. The study suggests that stiffening of the ECM barrier may physically block the immune system.

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.

Climate change flips the global pattern of shorebird nest predation

Climate change has led to a significant increase in nest predation rates among shorebirds worldwide, with Arctic regions experiencing higher rates than the tropics. This shift reverses the historical latitudinal gradient of predation, posing a critical threat to global shorebird populations.

Powerful method probes small-molecule structures

Researchers have developed a faster and simpler technique to analyze the structures of small molecules, reducing the time needed for X-ray crystallography. This new method, microcrystal-electron diffraction (MicroED), allows scientists to study small-molecule structures at high resolution in under 30 minutes.

Why modest goals are so appealing

Research led by INSEAD marketing professors found that people prefer small incremental goals over maintenance goals, even when there is no gap between the starting point and desired state. The brain's negativity bias plays a significant role in this preference, making modest attainment goals more appealing.

UK wine-making areas to rival Champagne revealed

Researchers have identified nearly 35,000 hectares of prime viticultural land in the UK, particularly in Kent, Sussex, and East Anglia, suitable for new and expanding vineyards. The areas found to be ideal for vineyard investment are drier, warmer, and more stable than established locations.

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.

Harvard University receives transformational gift for Harvard Medical School

The $200-million commitment from the Blavatnik Family Foundation will fund fundamental curiosity-driven research, therapeutics initiatives, and cross-disciplinary collaborations. This transformational gift aims to propel Harvard Medical School toward solving pressing health challenges through innovative therapies and treatments.

Biodiversity draws the ecotourism crowd

Research at Michigan State University found that better biodiversity leads to more tourists visiting protected areas. A 1% increase in biodiversity results in a 0.87% increase in annual visitors. Strategic management and local community participation can enhance economic development and livelihood benefits.

Metallic nanocatalysts imitate the structure of enzymes

A team of researchers has successfully replicated the internal channel structures of natural enzymes in metallic nanoparticles, resulting in three times greater catalytic activity. The study focused on the oxygen reduction reaction and found that active centers within the channels enhanced reaction efficiency.

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.

EEG identifies brain signal that correlates with depression and anxiety

Researchers identified a unique frequency of brainwaves associated with communication between the amygdala and hippocampus, which correlates with worsening mood related to depression and anxiety. The study used intracranial EEG to measure brainwave activity in epilepsy patients and found fluctuations in electrical activity at a specifi...

Novel strategy appears to protect retina when disease reduces oxygen

Scientists discover enzyme arginase 1 plays protective role in retinal health by suppressing inflammation and promoting recovery. Administering pegylated arginase 1 reduces inflammation and subsequent damage following reperfusion injury, offering potential new treatment for neurovascular injury.

Can stimulating the brain treat chronic pain?

Researchers successfully targeted and enhanced alpha oscillations in the somatosensory cortex, resulting in significant decreases in symptoms associated with chronic lower back pain. The study suggests that non-invasive treatment strategies like transcranial alternating current stimulation may one day be used to treat chronic pain.

Patients with untreated hearing loss incur higher health care costs over time

A new study reveals that patients with untreated hearing loss incur significantly higher total health care costs over time, totaling $22,434 per person over a decade. The study found that older adults with untreated hearing loss generated nearly 46% more in total health care costs compared to those without hearing loss.

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.

Embryos remember the chemicals that they encounter

Researchers discover that embryonic cells retain a memory of chemical signals they encounter during development. Exposure to WNT and Activin signaling is necessary for differentiation, and cells can remember previous exposure to these signals, even if the signal is absent at the time of treatment.

Ancient DNA evidence reveals two unknown migrations from North to South America

A study of ancient DNA from 49 individuals in Belize, Brazil, and the Central Andes reveals that most Central and South American ancestry originated from at least three different streams of people entering from North America. The research also detected two previously undocumented genetic exchanges between North and South America.

Double whammy for grieving spouses with sleep problems

A new study from Northwestern University finds that grieving spouses with sleep problems have a two-to-three times higher risk of chronic immune activation and increased inflammation, making them more susceptible to heart disease or cancer. Cognitive behavioral therapy is highly effective in treating sleep disturbances, and physicians ...

EPSRC announces £8 million capital awards to support early career researchers

The EPSRC has announced a £8 million capital investment in research equipment for 36 UK universities, supporting Early Career Researchers and enhancing their career development prospects. The institutions will use the funds to acquire specific equipment, host internal competitions, or invest in targeted groups or individuals.

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.

Biomimetics: The chemical tricks of our blood

Researchers have created phthalocyanines with a ring structure resembling that of hemoglobin or chlorophyll, which can be switched into different states with green light, affecting their chemical behavior. This discovery opens up new avenues for biomimetics and the development of novel molecules optimized for nature-specific applications.

Factors affecting turbulence scaling

Researchers investigate turbulence scaling in fluids at critical points, finding anisotropy and compressibility impact scaling behavior. Four types of scaling regimes identified, with anisotropy key to determining emerging behavior.

Ragweed may expand its range northward with climate change

A predictive model suggests common ragweed will expand its range into major northeast metro areas due to climate change, affecting millions with hay fever and asthma. The study found potential expansion at the northern margins of its current distribution, particularly in the northeast U.S.

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.

Eye contact reduces lying

A study from the University of Tampere found that direct eye contact with someone can reduce subsequent lying. In an interactive experiment, participants played a lying game on a computer against another person, with the opponent's gaze being either direct or downward towards their screen.