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Science News Archive March 2016


Page 20 of 41

Celestron NexStar 8SE Computerized Telescope

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

CU study shows how Paralympic track sprinters are slowed by curves

A University of Colorado Boulder study shows that left-leg amputee sprinters are slowed by curves on indoor tracks, losing valuable time in competition. Researchers estimate a 0.2 second difference in outdoor 200-meter races, suggesting that allowing left-leg amputees to run in outside lanes could level the playing field.

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.

Re-energizing the aging brain

Researchers found that pyruvate increases brain energy reserves and improves cognitive function in mice, including enhanced exploratory behavior and spatial learning. The findings suggest potential therapeutic applications for Alzheimer's disease and other neurodegenerative disorders.

Surface-going cave crickets actually more isolated than cave-dwelling cousins

A study by Drexel University researchers found that surface-going cave crickets show a higher degree of genetic isolation than their cave-dwelling cousins. The crickets' ability to disperse and breed with other populations was previously thought to lead to less genetic variation, but the study's findings suggest otherwise. This has imp...

Study reports significant link between nightmares and suicidal behavior

A new study reveals a significant link between nightmares and suicidal behaviors, with nightmares acting as a stressor in individuals with post-traumatic stress disorder (PTSD). The study found that 62% of participants who experienced nightmares reported suicidal thoughts, plans, or attempts, compared to 20% without nightmares.

Apple iPhone 17 Pro

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

Keeping ribosomes stuck may stop virulent bacteria strain in its track

Researchers developed compound inhibitors that target ribosomes in the translation phase of a virulent bacteria's genetic process. These compounds halt the bacterial rescue operation, making it difficult for the bacteria to grow and proliferate. The study's findings offer new hope against biowarfare agents and resistant pathogens.

Potential Zika virus risk estimated for 50 US cities

Researchers estimate potential Zika virus risk in 50 US cities due to warm weather and travel patterns. Cities with favorable mosquito conditions, such as southern Florida and impoverished areas in Texas, may be particularly vulnerable to local transmission.

A new opening for room temperature multiferroics

Researchers at Pohang University of Science & Technology have observed high coercive field and activation energy in ferroelectric polarization switching of orthorhombic GaFeO3 on cubic and hexagonal substrates. This finding explains the discrepancy between measured and predicted remanent polarization values.

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.

Increased dementia risk in women -- a matter of proteins?

A recent study published in Molecular Brain reveals that dementia risk is higher in women due to changes in proteins present in the brain. The research found that degenerative protein modifications were more pronounced in women than men, particularly in the myelin basic protein.

Potential Zika virus risk estimated for 50 US cities

Research predicts increased suitability for Aedes aegypti mosquitoes in southern and eastern US cities, leading to potential Zika outbreaks. Warm weather conditions facilitate mosquito populations, especially in April, June, July, August, and September.

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.

Capturing 'black gold' with light

Graphene, known as 'black gold', has high surface area and can effectively purify contaminated water due to its unique structure. Using light, researchers can extract the graphene and contaminants, enabling easier purification.

High standards produce mixed effects on marriages

A recent study found that high standards in marriage improve satisfaction only in strong marriages, while eroding relationships in less strong marriages. Couples who work well together are better able to meet higher standards and show high satisfaction, whereas those who don't work well together do poorly on both fronts.

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.

Intimate partner violence simulation training at MU is first in nation

A new training program at the University of Missouri's Sinclair School of Nursing uses simulation to equip nurses with confidence in screening patients for intimate partner violence. The program shows significant positive impact on nursing students' perceived confidence and knowledge. It may also be effective in training healthcare pro...

This necklace hears what you eat

Researchers developed a wearable device that tracks caloric intake by recording sounds made while eating. The AutoDietary necklace accurately identifies foods 85% of the time, holding promise for managing conditions like diabetes and obesity.

Cellular 'backpacks' could treat disease while minimizing side effects

Scientists have created cellular backpacks that can be loaded with therapeutic compounds and unloaded, targeting specific disease locations. These backpacks use immune cells as carriers, minimizing the impact on healthy cells and potentially treating a range of diseases including cancer and Parkinson's.

'Lost' memories can be found

A study by MIT neuroscientists suggests that early-stage Alzheimer's patients can form new memories but struggle to recall them. The researchers used optogenetics to stimulate the cells holding these memories and were able to retrieve them in mice with Alzheimer's symptoms.

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.

Scientists generate a new type of human stem cell that has half a genome

Researchers at The Hebrew University of Jerusalem have successfully generated a new type of embryonic stem cell carrying a single copy of the human genome. These haploid stem cells are pluripotent and retain a single set of chromosomes, offering a powerful tool for genetic analysis and potential therapies for diseases.

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.

Biomarkers can help guide immune-suppressing treatment after organ transplantation

Researchers have identified promising biomarkers to monitor immunosuppressive drug therapy in organ transplant recipients, with the potential for individualized treatment to reduce rejection and minimize side effects. A panel of experts recommends a preliminary set of tests for use in biomarker-based immunosuppressive drug management.

Threatened plant gets boost from biotech lab

Researchers at Boyce Thompson Institute developed a tissue culture procedure to propagate the rare and threatened woodland agrimony, multiplying its numbers by 1013. The study aimed to understand why this species is in decline, with results suggesting grazing deer as an important factor.

$3.8M grant awarded to surgeon to test transplant drug

A multi-center trial will test the effectiveness of Harvoni in treating hepatitis C virus (HCV) in liver transplant patients. The $3.8M grant, funded by Gilead Sciences, aims to evaluate the drug's cure rate and compare it to existing treatments.

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.

Tooth loss and untreated caries predict food intake limitations

A study of 6,885 adults found that tooth loss and untreated caries are associated with limited food intake, affecting quality of life. Researchers used NHANES data to examine the relationship between dentate status and number of teeth with untreated decay on reported limited food intake.

Flipping a light switch recovers memories lost to Alzheimer's disease mice

Researchers used optogenetics to re-grow lost spines and restore memories in AD mice by stimulating engram cells. This method suggests that impaired retrieval of memories underlies early Alzheimer's disease symptoms and highlights the importance of targeted manipulation of neurons for future therapies.

CNIO scientists discover a link between psoriasis and general bone loss

Researchers from CNIO have discovered a link between psoriasis and bone loss, finding that the disease causes widespread and progressive bone tissue loss. Treating psoriasis patients with IL-17 blockers could have benefits for bone health, and the study suggests potential implications for other autoimmune disorders.

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 vests have construction workers' safety at heart

A new smart vest developed at RMIT University uses sensors to measure body temperature and heart rate, sending data wirelessly to a smartphone app. This innovation aims to prevent heat-related accidents on construction sites, where workers are at higher risk of death or injury than in many other occupations.

Why are some people more attached to their phones than others?

A study by psychologists Henry Wilmer and Jason Chein found that people who constantly check their phones exhibit poor impulse control and a tendency to devalue delayed rewards. This suggests that frequent smartphone use is associated with impatience and impulsivity.

Expansion mini-microscopy: High quality magnification on the cheap

Researchers have developed Expansion Mini-Microscopy (ExMM), a technique that combines physical expansion with optical magnification to achieve high-resolution images at low costs. This innovation enables the creation of mini-microscopes from webcam and off-the-shelf components, offering a cost-effective solution for imaging biological...

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.

Scientists generate a new type of human stem cell that has half a genome

Researchers at Columbia University Irving Medical Center have successfully generated a new type of human embryonic stem cell carrying a single copy of the human genome. These 'haploid' stem cells show potential as a powerful tool for genetic analysis in biomedical fields such as cancer research and precision medicine.

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.

New program could improve hearing aid use for older adults

A new hearing aid adjustment program, HEAR, has shown promising results in increasing overall use among patients who need them. By systematically gradual adjustments, the program helps reduce frustration and social isolation caused by inadequate hearing aid use.

New ORNL method could unleash solar power potential

Researchers at ORNL have developed a new method that provides unprecedented detail on energy flow in nanometer scale, enabling the improvement of solar cells' performance. The technique uses femtosecond transient absorption microscopy to extract images with single-pixel precision.

A boost in microRNA may protect against obesity and diabetes

Researchers discovered a microRNA called miR-181b that controls the function of vessels in adipose tissue, improving insulin sensitivity and glucose levels. The study found that reconstituting this microRNA in obese mice reduced inflammation in adipose tissue, suggesting potential new targets for obesity and diabetes treatment.

Dopamine key to vocal learning, songbird study finds

A study on Bengalese finches found that dopamine levels in a specific region of the brain are crucial for correcting vocal errors. The research suggests that dopamine plays a vital role in sensory-motor learning, which underlies skills such as speaking and singing.

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 way to harvest stem cells better for donors

Australian scientists have developed a new method for harvesting stem cells that eliminates the need for growth factor injections, reducing side effects for donors. The new method combines two molecules to mobilize stem cells into the bloodstream within an hour of administration.

Mindfulness meditation provides opioid-free pain relief, study finds

A study published in the Journal of Neuroscience found that mindfulness meditation does not employ the body's opioids to reduce pain, but instead uses a different pathway to provide significant pain relief. The researchers used a thermal probe to induce pain and observed a 24% reduction in pain ratings among meditation participants.

Meta Quest 3 512GB

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