Bluesky Facebook Reddit Email

Science News Archive 2013


Page 7 of 352

Describing biodiversity on tight budgets: 3 new Andean lizards discovered

Three new lizards from Peru have been identified as distinct species using a combination of molecular, ecological, and morphological analyses. The study demonstrates the feasibility of discovering new species with limited resources, highlighting the importance of stable scientific names for biodiversity conservation.

Group Health approved for funding awards by PCORI

Research teams at Group Health Research Institute have been awarded funding by the Patient-Centered Outcomes Research Institute (PCORI) to study opioid therapy and asthma. The studies aim to improve patient outcomes and provide informed decision-making for patients with chronic pain and asthma, particularly in minority groups.

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.

Polymer coatings based on molecular structures

Scientists from KIT have created a stable porous gel coating, SURGEL, with adjustable properties using a metal-organic framework. This innovative material has potential in medical implants and pharmaceutical applications.

Heart disease and stroke continue to threaten US health

The American Heart Association's annual statistical update reveals that heart disease and stroke remain major public health concerns in the US, claiming over 787,000 lives annually. Cardiovascular diseases account for more deaths than all forms of cancer combined, with nearly half of African-American adults affected.

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.

With the surgical robot, similar outcomes at a higher cost

A recent Johns Hopkins study found that robotic colon surgery has similar outcomes to traditional laparoscopic surgery but comes at a higher cost. The study analyzed data from over 244,000 surgeries and revealed that robotic surgery costs nearly $3,000 more than laparoscopy.

Role for sugar uptake in breast cancer revealed

Berkeley Lab researchers show that aerobic glycolysis is not the consequence of cancerous activity but a cancerous event. Increased sugar uptake in breast cells activates oncogenic signaling pathways, leading to cancerous growth. The study provides possible new targets for diagnosis and therapeutics.

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.

Dogs recognize familiar faces from images

In a study, researchers found that dogs can perceive faces in images and differentiate between familiar and strange faces. Dogs preferred viewing conspecific faces over human faces, gazing more at the eye area of familiar faces.

Scientists find a groovy way to influence specialization of stem cells

Researchers at Queen Mary University of London found that growing adult stem cells on micro-grooved surfaces disrupts primary cilia length, controlling subsequent behavior and specialization. This discovery has potential applications in treating conditions like arthritis, Alzheimer's disease, and Parkinson's disease.

Oil- and metal-munching microbes dominate deep sandstone formations

A new study reveals that deep sandstone formations, crucial for hydrocarbon extraction and carbon sequestration, host a low-diversity microbial community dominated by Halomonas sulfidaeris-like bacteria. These microbes have evolved strategies to cope with extreme conditions and can recycle scarce nutrients to meet their metabolic needs.

Growers the big winners in Malawi's tobacco industry

The study found that high government subsidies reduce the net benefits of the industry, leading to job losses and revenue decline. Growers on large estates earn significantly more than independent farmers, highlighting the need for concerted efforts to address socio-economic impacts.

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.

Telecommunications data show civic dividing lines in major countries

A new study by MIT researchers uses network data to show communication patterns and divisions in many major nations, including Britain, Italy, and Belgium. The study found that only a small percentage of communications cross regional boundaries, highlighting invisible borders between communities.

Stem cells offer clues to reversing receding hairlines

USC scientists have discovered the role of Wnt7b in activating hair growth and reducing baldness. The study's findings could lead to new therapeutics for various human diseases, including skin regeneration for burn patients and skin cancer.

Pollen influences optical properties of the atmosphere

Scientists measure pollen's optical properties using laser technology, finding it can be a significant natural source of aerosol particles. The study reveals pollen's vertical distribution in the atmosphere, highlighting its impact on air quality and temperature.

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.

Researchers identify genetic marker of resistance to key malaria drug

A team of researchers has discovered a way to identify malaria-causing Plasmodium falciparum parasites that are resistant to artemisinin, the key drug for treating this disease. The study found that parasites with a mutant version of the K13-propeller gene were more likely to survive exposure to artemisinin.

Kids grasp large numbers remarkably young

Children as young as 3 understand multi-digit numbers more than previously believed and may be ready for more direct math instruction when they enter school. Understanding place value is the gateway to higher math skills, with implications for U.S. students who continue losing ground internationally in mathematics performance.

How the Parkin enzyme inhibits neuronal cell death

The Parkin enzyme activates a signal pathway that protects neurons from damage, increasing the expression of protective factors. This process may provide novel therapeutic targets to halt or delay neurodegeneration in Parkinson's disease.

Apple iPhone 17 Pro

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

Debate continues on impact of artificial sweeteners

A recent study published in Diabetes Care journal found that artificially sweetened drinks produced a neutral response in healthy humans, unlike previous findings. The researchers aim to better understand the effects of long-term artificial sweetener intake on human health.

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.

Neanderthal genome shows early human interbreeding, inbreeding

The Neanderthal genome shows a long history of interbreeding among early humans in Europe and Asia, with an estimated 1.5-2.1% of modern non-African genomes tracing back to Neanderthals. The study also reveals Denisovan genes in modern human populations, particularly in Oceanic and Asian groups.

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.

Heart disease linked with dementia in older postmenopausal women

A new study has found that heart disease is associated with an increased risk of cognitive decline and dementia in older postmenopausal women. Researchers analyzed data from nearly 6,500 U.S. women ages 65-79 and found that those with heart disease or vascular disease were 29% more likely to experience cognitive decline over time.

Tropical forests mitigate extreme weather events

Research suggests that tropical forests play a crucial role in regulating water flow, with forested land releasing more water than grasslands during the late dry season. The study's findings support the sponge effect phenomenon, which aims to minimize flood damage and maximize water availability in the tropics.

It's all in your head

Researchers are exploring methods to monitor and understand intracranial pressure through the ear, eye, and head. These non-invasive techniques aim to provide accurate and safer ways to determine the correlation between intracranial pressure and vision impairment.

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.

Scientists solve a decades-old mystery in the Earth's upper atmosphere

Researchers have found that scattering by intense natural radio waves known as 'chorus' in the Earth's upper atmosphere is primarily responsible for the observed relativistic electron build-up. This discovery resolves decades of scientific controversy and has important practical applications for understanding planetary magnetospheres.

Packaging insulin into a pill-friendly form for diabetes treatment

Researchers have made a breakthrough in packaging insulin into tiny sacs that can be absorbed through the gut, overcoming digestive enzyme hurdles. The new delivery system has shown promising results in rats, with blood glucose levels lowered almost as much as injected insulin.

How hypergravity impacts electric arcs

A new study reveals that hypergravity significantly affects the dynamic changes of electric discharges, causing the plasma channel to move due to external forces. The research has potential applications in improved safety precautions for manned space flights and ion thruster design.

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.

Obese children have higher stress hormone levels than normal-weight peers

A new study found that obese children have higher stress hormone levels than normal-weight peers, with elevated cortisol concentrations detected in hair samples from age 8. The observational case-control study analyzed hair samples from 20 obese and 20 normal weight children to measure long-term cortisol levels.

NASA catches Tropical Cyclone Amara's stretched out eye

Tropical Cyclone Amara has an elongated eye visible on NASA satellite images, with a maximum sustained wind speed of 80 knots. The storm is in a region of low wind shear and warm sea surface temperatures, allowing it to intensify rapidly.

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.

Stress reaction gene linked to death, heart attacks

A genetic trait linked to stress sensitivity is responsible for a 38% increased risk of heart attacks and deaths in patients with heart disease. Researchers identified a specific gene variation that causes an overactive stress response, leading to higher rates of cardiovascular disease and death.

Diamonds in Earth's oldest zircons are nothing but laboratory contamination

A team of researchers from University of California, Riverside claims that ancient zircons contain 'diamonds' which are actually fragments of polishing compound used in the laboratory analysis. The discovery was made using high-resolution electron microscopy and suggests no indigenous diamonds exist in these samples.

UT Austin researchers design first battery-powered invisibility cloak

Researchers at UT Austin propose a battery-powered active cloak that draws energy from a battery, allowing objects to become undetectable to radio sensors over a greater range of frequencies. This technology has applications in improving cellular and radio communications, biomedical sensing, and near-field imaging.

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.

New actors in the Arctic ecosystem

Scientists discover Atlantic amphipods reproducing in Arctic waters, marking a shift in the zooplankton community and potential impacts on marine birds, fish, and whales. The findings suggest that warmer ocean temperatures are allowing these species to thrive in previously inhospitable areas.

Diet rich in tomatoes may lower breast cancer risk

Eating a tomato-rich diet for 10 weeks increased adiponectin levels by 9 percent in postmenopausal women, reducing breast cancer risk. Regular consumption of fruits and vegetables is believed to promote breast cancer prevention in at-risk populations.

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.

Targeted synthesis of natural products with light

Scientists at Technical University of Munich have discovered a way to create natural substances using photoreactions and a special catalyst, reducing the formation of unwanted mirror-image variants. This method has potential for industrial applications in drug development and plant protection.

An apple a day keeps the doctor away

Researchers found prescribing an apple a day to adults over 50 would prevent or delay 8,500 vascular deaths. This approach matches the efficacy of statins while having fewer side effects.