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Science News Archive April 2012


Page 26 of 29

Drawing connections between food webs

Studies of 32 ecological communities reveal that a species' role depends on its evolutionary history, not geographic location. This knowledge allows conservationists to focus efforts on vital parts of an ecosystem and predict species' responses to changes.

New hormone for lowering blood sugar

Researchers have discovered a hormone that can be produced by fat stem cells to lower blood sugar levels and improve metabolism. The hormone appears to bypass the need for insulin, sending glucose out of the bloodstream and into muscle cells.

Apple iPhone 17 Pro

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

Future naval force may sail with the strength of titanium

Researchers have successfully manufactured a full-size ship hull section made entirely from marine-grade titanium using friction stir welding. The development aims to bring titanium into future Navy ship construction, offering high strength, light weight, and corrosion-resistance.

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.

Chemo may get boost from cholesterol-related drug

Researchers found that activating a cholesterol pathway may enhance chemotherapy's effectiveness against pancreatic cancer. The study used a cholesterol derivative to block the Hedgehog pathway, which is linked to both cancer and heart disease.

Plants mimic scent of pollinating beetles

Researchers discovered that arum family plants evolved their scent along pre-existing communication of scarab beetles, not through mutual adaptation. This finding suggests coevolution between plants and pollinators might be less common than thought.

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.

Arteries under pressure early on

Researchers found that small arteries showed signs of artery damage and reduced compliance after just six weeks on a high-fat diet, while large arteries remained unaffected. This early stage of damage may be the first step in developing high blood pressure.

Light switch added to gene tool opens new view of cell development

University of Oregon scientists create a new gene tool that allows researchers to control protein synthesis with a pinpoint UV laser beam. The tool enables the study of gene function at precise times and regions in embryonic development, revealing new insights into developmental biology and brain research.

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.

Young girls more likely to report side effects after HPV vaccine

A Kaiser Permanente study found that younger girls are more likely to report side effects after receiving the HPV vaccine, but these side effects are generally non-serious. The study suggests that educating young girls and their parents about what to expect from the vaccine can help alleviate fears and improve vaccination rates.

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.

Priorities for health systems strengthening efforts from the US CDC

The US CDC proposes to focus investments on six public health functions: strategic epidemiologic information, and strengthening key institutions and infrastructure. The agency aims to engage public health institutions domestically and abroad in health systems strengthening efforts.

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 reveal why some pain drugs become less effective over time

A study by researchers at the University of Montreal identified cellular and molecular mechanisms that enable opioid pain drug tolerance. They found that receptor recycling plays a key role in tolerance development, suggesting potential strategies for designing longer-acting analgesics.

Rensselaer professor Jie Lian receives NSF CAREER Award

Jie Lian, a nuclear engineering expert at Rensselaer Polytechnic Institute, has won a prestigious Faculty Early Career Development Award (CAREER) from the National Science Foundation. He will use the award to develop new advanced materials for use in nuclear power production.

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.

MIT project could transform robotic design and production

The MIT CSAIL project aims to develop a desktop technology that enables personalized robot design, customization, and printing within hours. Researchers hope to create an end-to-end process for building physical machines using simple printing processes.

SFU HIV/AIDS vaccine research gets financial boost

Researchers at Simon Fraser University have received a $2.7 million funding boost to enhance the effectiveness of their DNA-based HIV/AIDS vaccine. The team aims to strengthen a vaccine targeting the MPER region, a highly prized site for antibody production.

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.

New compound targets key mechanism behind lymphoma

Researchers at Fox Chase Cancer Center have identified a new compound that targets a key pathway in lymphoma, suggesting it could be the first to hit this critical mechanism. The study found that certain types of lymphoma cells are more vulnerable to the effects of the compound, making them potential candidates for early clinical trials.

Programming computers to help computer programmers

The research team aims to create automated program-synthesis tools for various applications, including robotic tasks. The goal is to help human programmers write code faster and with fewer errors by leveraging intelligent software agents.

Why is traumatic brain injury increasing among the elderly?

Traumatic brain injury is rising among the elderly, particularly those over 70, due to an increase in falls. Older adults are more susceptible to worse outcomes, including bleeding in the brain, chronic diseases, medication use, and reduced brain repair capabilities with age. Early interventions can still yield positive results.

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.

Robosquirrels vs. rattlesnakes

Researchers used robot squirrels to mimic tail flagging and heating behaviors, showing snakes respond to infrared signals. The findings help biologists better understand rattlesnake behavior and interactions with California ground squirrels.

Pollen can protect mahogany from extinction

Researchers from the University of Adelaide have discovered that pollen diversity is limited in mahogany forests due to extensive exploitation, affecting seedling growth and forest re-growth rates. The study suggests that collecting high-quality seeds from healthy trees could improve restoration efforts.

New method yields insulin-producing pancreatic cell clusters

Researchers developed a new method to create 3D pancreatic beta-cell clusters that live longer and secrete more insulin than single cells. This breakthrough advances the study of pancreatic diseases like diabetes and enables testing of novel therapies.

Are we really a nation of animal lovers?

A new study by the University of Bristol estimated that over 260,000 cats and dogs entered UK rescue organizations in 2009. The majority of these animals were not rehomed but instead cared for until space became available, revealing a significant need for animal adoption and welfare support.

Incisive research links teeth with diet

Scientists at the University of Leicester discovered a correlation between tooth roughness and diet in animals. Tooth surfaces can reveal what an animal has been eating, providing a reliable method for studying wild diets.

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.

Don't send your recycled glasses to developing countries

A recent study found that only 7% of donated recycled glasses were usable, making them twice as expensive as providing ready-made glasses. Donating recycled glasses is not a cost-effective solution to address avoidable blindness in developing countries.

Scientists at Fox Chase discover link between estrogen and tobacco smoke

Scientists at Fox Chase Cancer Center discovered a link between estrogen and tobacco smoke, suggesting that new therapies targeting estrogen metabolism may help prevent or treat lung cancer. Estrogen metabolites increase in the lungs of mice exposed to tobacco smoke, promoting cell growth and damage.

Changing old attitudes to aging and making aging well a global priority

The Lancet report emphasizes the importance of transforming old attitudes towards aging and addressing non-communicable diseases in older adults. Effective interventions like hypertension management and promoting healthy lifestyles can improve health status with relatively cheap treatments.

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.

Algae biofuels: the wave of the future

Researchers at Virginia Tech have assembled the draft genome of marine algae Nannochloropis gaditana to discover optimal species for producing biodiesel fuel. Genetic modification reveals the algae's potential for industrial-scale biofuel production, a game-changer in fuel research and production.

Love it or leave it?

A recent study from Concordia University found that employees who feel obligated to stay with their employer are more likely to experience emotional exhaustion. This type of commitment can lead to feelings of indebtedness and loss of autonomy, ultimately contributing to turnover.

'Positive stress' helps protect eye from glaucoma

Scientists at Washington University School of Medicine have devised a treatment that prevents optic nerve injury in glaucoma by exposing mice to low levels of oxygen. The study found that preconditioning induced tolerance protects against neurodegenerative disease, with mice losing only 3% of retinal ganglion cell bodies after 10 weeks.

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.

New immune defense enzyme discovered

Scientists at Max Planck Institute of Neurobiology have discovered a new serine protease, neutrophil serine protease 4 (NSP4), which forms part of the antibacterial defense arsenal of neutrophil granulocytes. NSP4 could provide a new target for treating diseases involving an overactive immune system.

Fluke 87V Industrial Digital Multimeter

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

Early-life exposure to BPA affects adult learning

Research found that zebrafish exposed to BPA as embryos had significant behavioral changes, including learning and memory problems. The study suggests that even low levels of BPA can have long-lasting effects on cognitive function.

How a cancer drug leads to diabetes

Rapamycin, a widely used cancer and transplant drug, leads to diabetes in 15% of patients due to its effect on muscle cells' insulin signal. Researchers discovered that a single transcription factor, YY1, plays a key role in this process. Mice lacking YY1 are protected from diabetes when taking rapamycin.

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.

Autistic kids born preterm, post-term have more severe symptoms

Research from Michigan State University found that autistic children born preterm or post-term have significantly higher screening scores for autism spectrum disorder than those born on time. The study also reveals a link between the length of pregnancy and the severity of autism symptoms.