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Science News Archive May 2018


Page 17 of 44

Eating at night, sleeping by day swiftly alters key blood proteins

Researchers found that just one simulated night shift altered levels and time-of-day patterns of over 100 proteins in the blood. These disruptions can lead to higher diabetes rates and decreased energy expenditure, highlighting the importance of timing treatments around the circadian clock.

Apple iPhone 17 Pro

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Circadian rhythms and plasma proteome

Researchers analyzed human plasma proteins over time, identifying 30 proteins regulated by the circadian clock and affecting cancer, immune function, and metabolism. Circadian misalignment altered glucose homeostasis and energy metabolism pathways.

Studying insight

The study found that pupils dilate before reported inspiration, predicting subsequent inspiration. This discovery may lead to externally monitoring and controlling memory retrieval in the future.

Autism is not linked to eating fish in pregnacy

A major study on pregnant women's fish consumption found no link between mercury exposure and autism. Mercury was only associated with poor social cognition in mothers who avoided eating fish. The study confirms current advice for pregnant women to eat fish at least twice a week is safe.

Profiling the genome hundreds of variations at a time

Researchers use CRISPR-Cas9 to precisely alter hundreds of genes or features in yeast cells with 80-100% efficiency, identifying gene alterations that trigger or prevent specific behaviors. The approach allows for rapid profiling and identification of key genes and DNA sequence variations associated with traits and diseases.

SAMSUNG T9 Portable SSD 2TB

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Sony Alpha a7 IV (Body Only)

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Computer redesigns enzyme

University of Groningen biotechnologists successfully redesigned aspartase enzyme using computational method, producing kilograms of pure building blocks for pharmaceuticals and other bioactive compounds.

Hurricanes: Stronger, slower, wetter in the future?

The study analyzed 22 recent hurricanes and found that they would become a little stronger, a little slower-moving, and a lot wetter if they formed under predicted late 21st-century conditions. The rainfall rate of simulated future storms would increase by an average of 24 percent.

Perceived trustworthiness helps women entrepreneurs with crowdfunding backers

Research by Louisiana State University found that women are perceived as more trustworthy by crowdfunding investors, increasing the likelihood of securing financial backing. This perception leads to a funding advantage for women in crowdfunding, allowing them to overcome gender bias and increase their odds of success.

Discovery for grouping atoms invokes Pasteur

Scientists have discovered a new method for combining atoms into shape-shifting molecules, enabling the creation of novel materials and drugs with unique properties. This breakthrough builds upon past discoveries of isomerism, paving the way for the development of countless new compounds.

Rigol DP832 Triple-Output Bench Power Supply

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NASA sees Tropical Cyclone Sagar's landfall

Tropical Cyclone Sagar made landfall in Somalia on May 19, with NASA's Terra satellite capturing infrared images of the storm. The MODIS instrument revealed powerful thunderstorms northwest of the center, which generated heavy rain due to extremely cold cloud top temperatures.

Eczema drug effective against severe asthma

Dupilumab alleviates asthma symptoms and improves lung function in moderate to severe asthma patients. The drug significantly reduced asthma exacerbations by half in some patients, with improved rates of emergency room visits and hospitalizations.

Reading the minds of pilots on the fly

A team of researchers at Drexel University has successfully measured the brain activity of pilots in real-time using functional near-infrared spectroscopy, or fNIRS. The study shows that pilots who flew a real aircraft committed more errors and had higher cognitive load than those who operated a flight simulator.

AmScope B120C-5M Compound Microscope

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Age-related racial disparity in childhood suicide

A study examining age-specific suicide rates between black and white US youths from 2001 to 2015 reveals significant disparities. The findings highlight the need for targeted suicide prevention efforts for black children, suggesting a greater risk of suicide among younger black youth.

Sleep deprivation and neurobehavioral performance

Researchers found that chronic sleep deprivation, even without extended wakefulness, was associated with increased reaction time performance and daytime arousal. The study highlights the complex relationship between sleep and alertness in humans.

UCI researchers discover novel mode of neurotransmitter-based communication

Researchers at UCI School of Medicine have discovered a new pathway for developing therapies for disorders like epilepsy, anxiety, and chronic pain by understanding how GABA modulates specific ion channels. This finding opens up an entirely novel mechanism for GABA to fulfill its inhibitory role in the brain.

Deep space radiation treatment reboots brain's immune system

A novel drug has been identified as a potential treatment for brain damage caused by exposure to cosmic rays, protecting memory function in mice. The study's findings suggest that rebooting the brain's immune system may help prevent cognitive impairments in astronauts during deep space travel.

Meta Quest 3 512GB

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Receptor proteins that respond to nicotine may help fat cells burn energy

Researchers have discovered a molecule directly linked to thermogenesis in beige fat cells, which can be activated by nicotine and acetylcholine molecules. The study suggests that CHRNA2 receptor proteins play a role in energy metabolism, potentially leading to new approaches for combating weight gain after smoking cessation.

Flavonoids may slow lung function decline due to aging

A study of 463 adults found that higher anthocyanin intake was associated with slower lung function decline over 10 years. Individuals in the highest quartile of anthocyanin consumption had a slower rate of decline in forced vital capacity and forced expiratory volume compared to those in the lowest quartile.

Nikon Monarch 5 8x42 Binoculars

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Raising the heat to lower the cost of solar energy

Researchers at Sandia National Laboratories are working on a project to refine a specific type of utility-scale solar energy technology that can supply renewable energy without batteries for storage. The goal is to reach temperatures greater than 700 C, which would boost efficiency and lower electricity costs.

Extrasolar asteroid has been orbiting the sun for 4.5 billion years

A Brazilian scientist and her co-author found that an extrasolar asteroid has stably occupied a stable path corresponding to Jupiter's orbit for at least 4.5 billion years. The asteroid is believed to have originated from outside the Solar System, likely captured by Jupiter's powerful gravitational field.

Are humans causing cancer in wild animals?

Researchers from Arizona State University warn that human activities are influencing cancer rates in wild animal populations. Studies have shown that pollution, pesticides, microplastics, and artificial light pollution are contributing to the prevalence of cancer in various species.

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.

Flexible, highly efficient multimodal energy harvesting

Researchers at Penn State developed a new composite material that can efficiently harvest mechanical and thermal energy using a 3D piezoelectric ceramic foam supported by a flexible polymer. The material outperforms traditional piezoelectric composites, offering improved flexibility and energy output.

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.

Origins of a globally distributed plant family

Fossil leaves from a sweet potato ancestor and the morning glory family, Convulvaceae, were discovered in northeastern India and dated to 58.7-55.8 million years ago. This finding suggests that the plant family originated in East Gondwana and diverged from its sister Solanaceae by the late Paleocene.

UNM scientists find widespread ocean anoxia as cause for past mass extinction

A team of researchers led by Maya Elrick found that a global marine anoxic event occurred during the Late Ordovician Mass Extinction, which lasted for at least 1 million years and coincided with the extinction of 85% of marine life. The study suggests that low oxygen concentrations in the ocean were a major driver of the mass extinction.

Schizophrenics' blood has more genetic material from microbes

Research at Oregon State University found that schizophrenia patients' blood contains genetic material from a wider range of bacteria and archaea compared to healthy controls. The study suggests that the human microbiome plays a significant role in health and disease.

Celestron NexStar 8SE Computerized Telescope

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

Vocal neurons encode evolution of frog calls

Researchers discovered a population of neurons that give rise to unique mating calls in two closely-related frog species. The findings suggest that changes in these cells over time may have shaped vocal patterns in vertebrates. Ancient circuits involved in breathing control were found to be linked to the evolution of vocal patterns.

Birds from different species recognize each other and cooperate

Researchers from the University of Chicago and University of Nebraska discovered that Australian fairy-wrens can recognize individual birds from other species and form stable, positive relationships. This cooperation allows them to better defend their territories and share benefits such as increased foraging success and reduced vigilance.

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.

World's biggest fisheries supported by seagrass meadows

Seagrass meadows support global fisheries production by providing nursery habitat, promoting health of connected habitats, and supplying trophic support. However, the coastal distribution of seagrasses makes them vulnerable to threats such as land runoff and trawling, leading to declines in seagrass and fisheries.

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.

How animals holler

Research by Ingo Titze and Anil Palaparthi found that animals' high radiation efficiency is due to wide mouths, high frequencies, and body acoustical reflecting chambers. Humans lack these traits, limiting our ability to make long-range calls like animals do. The study aims to improve human call efficiency for emergency situations.

Global biomass distribution

A global biomass census yields 550 Gt C, with land biomass surpassing marine by two orders of magnitude. Human activities have led to significant reductions in wild mammal, fish, and plant biomass.

Observing cellular activity, one molecule at a time

Researchers at EPFL have invented a new method to examine protein assembly mechanisms in real time using atomic force microscopy. The technique, which uses pulsed laser light, allows for the observation of dynamic processes that were previously impossible to study.

How bacteria behave differently in humans compared to the lab

Researchers found increased expression of genes responsible for antibiotic resistance in human clinical infections compared to laboratory experiments. This discovery could help scientists draw more accurate conclusions and provide better information on treating bacterial infections.

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.

A single-injection vaccine for the polio virus

A new nanoparticle vaccine developed by MIT researchers can deliver multiple doses of the polio vaccine in just one injection, making it easier to immunize children in remote regions. The vaccine uses a biodegradable polymer that releases the vaccine in bursts at defined time points, providing long-lasting immunity.