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Science News Archive 2011


Page 51 of 311

DNA origami

Duke University researchers have developed a reusable DNA chip that can synthesize multiple batches of DNA building blocks and fold them into unique nanostructures. They successfully reused the chip tens of times without significant degradation, paving the way for applications in synthetic biology, drug delivery, and nanotechnology.

Fast new method for mapping blood vessels may aid cancer research

Researchers have developed a fast new method for mapping blood vessels that could aid cancer research by analyzing the vascular network of organs in less than two days. The technique uses knife-edge scanning microscopy to create detailed 3D maps of blood vessels, from arteries and veins to smallest capillaries.

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.

Research examines college students' knowledge about eating disorders

Research reveals that college students struggle to identify warning signs and risk factors of disordered eating, with females more aware than males. The study highlights the need for better education on disordered eating, as it can be a coping mechanism for stress and is often hidden due to social stigma.

Doctors can learn empathy through a computer-based tutorial

A new interactive training tool developed by a Duke University researcher has been shown to increase empathic responses from oncologists and improve patient trust. The computer-based tutorial provides feedback on recorded visits with patients, offering an alternative to expensive courses.

New research on improved treatment options and screening strategies for Hepatitis C

A combination treatment of telaprevir with pegylated interferon and ribavirin showed substantial improvement in sustained viral response among African Americans, with an SVR rate of 61% compared to 25% with standard care. Screening for Hepatitis C during routine colon cancer screening is also being explored, particularly among Baby Boo...

Key driver of metastasis identified

Researchers at Dalhousie University have discovered that a specific protein, S100A10, enables macrophages to break down tissue barriers and enter the tumor site, facilitating cancer cell growth and metastasis. This finding presents a potential target for blocking tumor growth by inhibiting S100A10 activity.

Apple iPhone 17 Pro

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

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.

UT scientist helps confirm link between fungus and bat epidemic

A University of Tennessee researcher has discovered that the fungus Geomyces destructans is the causal agent of White-nose Syndrome, a fungal disease decimating North America's bat population. The study found that exposure to G. destructans causes WNS in healthy bats and can be transmitted through direct contact.

UM College of Engineering receives $1 million grant from the Department of Energy

The University of Miami Industrial Assessment Center has received a $1 million grant from the US Department of Energy to conduct industrial assessments and provide training to engineering students. The program aims to help small and medium-sized manufacturers reduce their energy consumption, save money, and increase productivity.

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.

Forests not keeping pace with climate change

A new Duke University-led study reveals that more than half of eastern US tree species are not adapting to climate change as quickly or consistently as predicted. The research found that nearly 59% of the species examined showed signs of range contraction, while only 21% appeared to be shifting northward.

Shared genes with Neanderthal relatives not unusual

A recent study published in PNAS reveals that people in East Asia carry genetic material from Denisovans, a previously unknown archaic human relative. This finding suggests that gene flow between humans and Denisovans occurred on the Asian mainland, contradicting previous theories about hybridization events.

Using math and light to detect misshapen red blood cells

Using Fourier Transform Light Scattering (FTLS), the UIUC team analyzed light scattering patterns from RBCs to identify healthy cell signatures. The Born approximation model enabled accurate detection of misshapen cells in just a few seconds.

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.

Yoga aids chronic back pain sufferers

A study led by the University of York found that a specially-designed 12-week yoga programme improved back function and confidence in people with chronic lower back pain. After nine months, participants continued to experience benefits, including increased ability to perform daily activities.

Targeting leg fatigue in heart failure

Researchers at the University of Leeds have discovered that leg muscle dysfunction is related to the severity of symptoms in heart failure patients. Daily activity in these patients can be limited by impaired leg muscles, not just a failing heart.

Don't worry, be happy – understanding mindfulness meditation

Research suggests that mindfulness meditation can have wide-ranging effects on well-being, including improved immune function and reduced blood pressure. A new framework approach explains the mechanisms of mindfulness by identifying four key components: attention regulation, body awareness, emotion regulation, and sense of self.

New findings could lower risk of suicide in men with prostate cancer

A study by Thordis Thorsteinsdottir found that men with prostate cancer are twice as likely to commit suicide, but a method called expressive writing can reduce this risk. Expressive writing involves getting the men affected to spend 20 minutes writing down their feelings on at least three occasions after getting their cancer diagnosis.

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.

Lawson proves real people drive research

The HealtheSteps program is designed to provide tailored exercise prescriptions and support to residents of Huron County, where rates of cardiovascular disease are higher than average. By engaging with the local community through evidence-based research and community consultations, Dr. Robert Petrella and his team aim to reduce health ...

Nerve protein linked to learning and memory

Researchers found that tomosyn regulates synaptic signaling and plays a crucial role in controlling whether synapses get stronger or weaker, affecting memory formation. Knocking out tomosyn impaired fruit flies' ability to retain memories.

Savannas, forests in a battle of the biomes, Princeton researchers find

The Princeton study suggests that savanna wildfires play a crucial role in maintaining the division between forests and savannas. The researchers found that regular fires prevent trees from establishing and savannas from turning into forest. However, human activities such as climate change, road construction, and fire prevention measur...

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.

Fighting breast cancer early, one cell at a time

A team of scientists at Tufts University is developing ultra-sensitive techniques to detect breast cancer earlier and treat it with greater precision. They aim to create a simple blood test for screening and diagnose the disease more accurately.

Celestron NexStar 8SE Computerized Telescope

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

Cold chemistry

Researchers find that icy dust specks on interstellar clouds can speed up chemical reactions, forming complex organic molecules. This discovery sheds light on the origins of life in the Universe, suggesting that these dust grains may play a crucial role in seeding galaxies with chemical potential for life.

Not all women in breast cancer families share high risk

A new international study found that women without genetic mutations but closely related to those who do have them are at an average risk of developing breast cancer. This contradicts previous claims that all women in such families share a high risk, according to Professor John Hopper from the University of Melbourne.

The power of the Internet: It helps improve teens' acne

A new study from Wake Forest Baptist Medical Center found that teens with acne used their medication more frequently when participating in a weekly Internet-based survey. The study, which included 20 participants aged 13-18, showed a significant increase in adherence rates among those who received the survey.

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.

Embargoed news from Annals of Internal Medicine

A 12-week yoga program improved back function in patients with chronic or recurrent low back pain, but had similar effects on back pain and general health. The American College of Physicians also recommends assessing VTE risk and prescribing heparin to prevent venous thromboembolism in hospitalized patients.

Live longer with fewer calories

Researchers at the University of Gothenburg have identified an enzyme required for caloric restriction to work effectively, which can slow down ageing and delay the development of age-related diseases. Increasing the production of another enzyme, Srx1, repairs damaged Prx1, potentially counteracting genetic defects and cancer.

Not your mother's birth control, same troubles

A new Indiana University study found that hormonal birth control can still hamper women's sexual satisfaction, including arousal, lubrication, and orgasm. The research involved over 1,100 women using different forms of contraception and suggests that non-hormonal options like lubricants may help alleviate negative effects.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

The 'freshman 15' is just a myth, nationwide study reveals

A nationwide study published in the Social Science Quarterly found that most college students do not gain significant weight during their freshman year, contrary to popular belief. The average student gains between 2.5 and 3.5 pounds, with women gaining an average of 2.4 pounds and men gaining an average of 3.4 pounds.

People with dementia less likely to return home after stroke

Research found that people with dementia who have a stroke are three times more likely to have greater disability at discharge and only 24% return to their previous home, compared to 57% of those without dementia. The study highlights the need for established guidelines on managing stroke patients with pre-existing dementia.

Scientists reach the heights with gecko-inspired tank robot

Researchers developed a tank-like robot that can scale smooth walls using gecko-inspired adhesives, enabling applications in pipe inspection, search and rescue operations, and more. The robot's unique design and sensors allow it to adapt to its surroundings.

Hey, bacteria, get off of my boat!

Scientists are creating greener technology to prevent marine biofouling, a problem that costs the US Navy over $50 million annually. Researchers have developed stimuli-responsive surfaces that can shake off slime, inspired by nature's own anti-fouling systems.

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.

Research highlights training to improve colorectal cancer detection

A new study found that structured endoscopist training can significantly improve detection of pre-cancerous growths in the colon. Researchers identified several high-risk sub-groups, including Non-Hispanic Blacks, females, and patients over age 60, who are more likely to develop aggressive proximal colorectal cancers.

Patient-centered care starts with education

A lack of understanding about the healthcare system leads to suboptimal treatment adherence and preventable outcomes. Education, including high school courses and community programs, is key to empowering patients and promoting optimal health.

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.

Influencing craving for cigarettes by stimulating the brain

A new study in Biological Psychiatry found that targeted brain stimulation increased cigarette cravings, while low-frequency stimulation had no effect. The study suggests that stimulating the superior frontal gyrus could be a potential treatment for smoking cessation.

Meta Quest 3 512GB

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

NASA studying ways to make 'tractor beams' a reality

NASA is studying three experimental methods for capturing and transporting particles using laser light, including optical vortex and solenoid beams. The goal is to develop a system that can collect extraterrestrial samples more efficiently and reduce mission costs.

Obesity and depression independently increase health costs

A Group Health Research Institute study found that obesity is associated with higher health care costs, but not due to co-occurring depression. Similarly, depression is linked to increased costs, but not because of co-occurring obesity. The study's findings have significant economic implications for the general population.

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.