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Science News Archive 2002


Page 61 of 93

Meta Quest 3 512GB

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

Some smokers can't quit even after suffering head and neck cancers

A new study found that nearly a quarter of head and neck cancer patients continue to smoke, scoring lower on quality of life measures. Depression was also prevalent among these patients, with both smoking and depression associated with significantly poorer quality of life.

UCSF finding offers provocative insight into what drives cancer

The study found that the c-Myc protein has a key cancer-preventing mechanism, causing cell death, but also triggers the growth of invasive tumors when another oncoprotein is activated. Suppressing this mechanism can lead to rapid tumor regression and collapse of blood vessels.

Apple iPhone 17 Pro

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

Heavy drinkers bear the heavy burden of bleeding stroke

A new study has found that heavy drinkers are at a higher risk of bleeding stroke, with hypertension and genetic factors also contributing to the condition. The research, conducted by the University of Cincinnati College of Medicine, involved 107 individuals with subarachnoid hemorrhage (SAH) and 197 without stroke.

Natural cholesterol-lowerer shows the way

A study published in Science identifies guggulipid as a target for developing drugs to lower cholesterol. The extract, combined with a cholesterol-lowering diet, reduced cholesterol levels by up to 20%. Researchers are now studying the biochemical reasons behind this effect and its potential impact on other medications.

Planning could preserve urban forests for future enjoyment

A recent study by Penn State researchers found that urban forest fires have led to increased tree density of specific species in New York City's undeveloped parklands. In contrast, an old-growth urban forest in Cleveland, Ohio, has remained stable with no history of forest fires since 1935.

Successful measles vaccination feasible in low-income countries

In southern Africa, measles elimination strategies reduced reported clinical cases from 60,000 to 117 cases between 1996 and 2000. With overall vaccination coverage of 91%, continued national commitment is crucial for implementation and maintenance of proven strategies.

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.

Leprosy bug provides clues to early nerve degeneration

Researchers found that the leprosy bug attaches to Schwann cells, disrupting the myelin sheath and causing nerve damage. This discovery may provide insights into early molecular events of neurodegeneration processes in diseases like multiple sclerosis.

EMBO Award for Communication in the Life Sciences

The EMBO Award for Communication in the Life Sciences promotes active research and public outreach by recognizing innovative science communication. The award is given annually to a winning application that showcases imaginative and original works across various media forms.

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.

American Chemical Society to honor Albert Szent-Györgyi

Albert Szent-Györgyi was awarded the Nobel Prize in Physiology or Medicine for his discovery of vitamin C and its extraction from paprika. He pioneered studies on biological oxidation mechanisms, leading to significant advances in biochemical understanding.

Looking for clues about how proteins talk to each other

Researchers have found that highly connected proteins are unlikely to interact with each other, a phenomenon that helps reduce interference and increase stability in protein networks. This discovery was made possible by computer modeling of protein interactions in yeast cells, which revealed an

Pentoxifylline beneficial for treating leg ulcers

A systematic review found pentoxifylline to be around 50% more effective than placebo in treating venous leg ulcers. The drug's addition to standard compression therapy showed a 30% increase in complete healing rates.

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.

Scientist explores the future of research collaboration

Researchers examine the evolution of collaboration, from World War I to modern-day global partnerships, highlighting its benefits and impact on scientific productivity. The study also delves into how emerging technologies like email and the Internet have revolutionized research collaboration, making it more diverse and effective.

Thunderstorms are affected by pollution

Aerosols from pollution particles reduce ice crystal sizes in thunderstorms, leading to less precipitation over land. Aerosol levels are highest over Northern Africa, with smaller ice crystals found in clouds above the eastern Pacific and southern Indian Oceans.

Early promise of simple test for diagnosing malignant hyperthermia

Researchers propose a new test for diagnosing malignant hyperthermia by measuring carbon dioxide pressure after caffeine injection, showing increased CO2 levels in susceptible individuals. Further testing is needed to define sensitivity and specificity of the test before it can be used for diagnosis.

Gene may link alcohol drinking and stress, mouse study suggests in Science

A German study on mice found that genetic variations in a key stress-response gene may contribute to excessive alcohol consumption under stressful conditions. The researchers identified a specific receptor, CRH1, which is associated with increased alcohol intake in stressed mice, suggesting potential targets for preventing relapse.

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.

Foods rich in folate may reduce risk of stroke

Research found that consuming at least 300mcg of folate per day reduces stroke and cardiovascular disease risk. Folate, a B-vitamin, is found in citrus fruits, leafy greens, beans, and grain products.

Hopkins scientists reveal how sound becomes electric

Researchers at Johns Hopkins Medicine have made a breakthrough discovery in understanding how we hear, revealing that tiny 'hair cells' release a barrage of chemical packets to an adjacent nerve when sound is detected. This finding could improve the design and programming of hearing aids and cochlear implants.

Basic macromolecular research aimed at national defense technologies

The project focuses on fundamental breakthroughs in nanostructured macromolecular materials, with potential applications in military uniforms, miniaturized machines, displays, sensors, and actuators. Branched macromolecules will be studied to provide information for the development of high-tech surfaces and structures.

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.

Long-term safety data on Xalatan presented

A five-year study demonstrated Xalatan's efficacy in managing open-angle glaucoma by reducing intraocular pressure (IOP) sustainably. The treatment was well-tolerated, controlling IOP without surgery in 72% of patients.

UF expert: ancient fossil suggests flowers may be underwater gift

A 125-million-year-old fossilized plant has provided clues about the evolution of modern flowering plants, which are the dominant vegetation on Earth. The discovery, made in northeast China, shows that flowering plants may have originated underwater before transitioning to land.

New treatment for difficult-to-treat inflammatory disease

Imatinib mesylate, a drug used to treat leukemia, has shown remarkable success in reducing eosinophil levels in people with hypereosinophilic syndrome (HES), a difficult-to-treat inflammatory disease. Four of five patients studied experienced complete elimination of symptoms.

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.

Disorder forces DNA molecules out of tight spaces

DNA molecules are pulled into a dense array of pillars by an electric field and then recoil back into the open space due to entropic forces. The researchers estimate the minimum entropic force at 5.7 femtoNewtons, suggesting this method could be used to separate molecules by length.

Steroid pill prolongs survival in patients with multiple myeloma

A recent study by the Southwest Oncology Group found that long-term treatment with prednisone after initial chemotherapy response significantly prolonged patient survival and delayed disease progression in those with multiple myeloma. Patients receiving higher doses of prednisone lived up to 37 months longer than those on lower doses.

Scientists produce long, hair-like nanotubes

Scientists at Rensselaer Polytechnic Institute have created a breakthrough method for producing long, hair-like strands of carbon nanotubes up to 20 centimeters in length. This simplified approach uses chemical vapor deposition (CVD) with a sulfur-containing compound and hydrogen, resulting in high yields of long strands.

A new weapon to disable bacteria discovered

Scientists have identified a mechanism by which neutrophils can neutralize disease-causing bacteria like Shigella and Salmonella. Elastase, an enzyme produced by neutrophils, destroys virulent proteins in bacteria, allowing for the mobilization of other defenses that can destroy the bacteria.

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.

Depressed brains get better on placebo!

A study found that depressed patients who responded to a placebo treatment showed similar brain changes as those who received an antidepressant, but with additional changes in the brainstem and hippocampus. The researchers suggest that these changes may be necessary for long-term recovery.

Working in Britain in 2000

A survey of nearly 2,500 employed people in Britain found that employees express declining loyalty to their organisations, working harder and longer. However, a growing proportion of the workforce needs advanced information technology skills, with most occupational groups indicating these skills are essential for their work.

Study finds a huge child care workforce waiting to be trained

A new study reveals that two-thirds of the nation's 2.3 million child care workers lack college training, highlighting the need for a massive national investment to train millions of caregivers. The study also found that early learning is crucial and requires qualified caregivers for toddlers aged 18-36 months.

Male/female health differences during life's final season

A study of older brother/sister twin pairs found that men and women had similar numbers of illnesses, with the exception of very life-threatening conditions. Women reported more total health problems and physical symptoms, while men had more cardiovascular conditions.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Placebo, antidepressant may lift depression via common mechanism

A team of researchers found that both placebo and antidepressant responders showed increased activity in the cortex, accompanied by decreased activity in limbic regions. Patients who responded to fluoxetine also experienced unique changes in lower brain areas thought to confer additional advantage in sustaining the response.

Vitamin C transporter gene discovery in mice

A study published in Nature Medicine found that mice without a functional vitamin C transporter gene died shortly after birth due to severe health problems. The research suggests that vitamin C plays a crucial role in fetal lung development, which could have implications for premature infants and pregnant women.

New treatment for spinal disorder proves effective in UCSF study

A UCSF study shows that 80% of patients taking etanercept experience significant relief from ankylosing spondylitis symptoms. The drug reduces spinal inflammation and slows disease progression, offering a new therapeutic option for the chronic inflammatory arthritis.

New language learning linked to early language experience

A landmark study published in Nature reveals that deaf and hearing adults who experienced language in early life perform similarly well in learning a new language later in life. Deaf adults with little language experience show low levels of performance, whereas those with early experience demonstrate high proficiency.

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.

Tungsten photonic lattice changes heat to light

Researchers have developed a tungsten photonic lattice that can convert most of the wasted infrared energy into visible light, increasing the efficiency of incandescent bulbs from 5% to over 60%. This innovation has the potential to significantly reduce energy consumption and environmental damage caused by inefficient lighting.

Rice physicists observe new 'atom wave' phenomena

Researchers create atomic soliton trains with up to 15 bundles of waves that maintain a constant shape as they propagate without spreading. The techniques developed could lead to extremely precise measurements and new forms of atom lasers.

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.

New grant supports research to reduce greenhouse gases

The Kansas State University-led consortium aims to develop carbon sequestration strategies for U.S. agriculture, reducing greenhouse gas accumulation. The project will provide tools and information for farmers to implement soil carbon sequestration programs, improving the nation's farmlands and agricultural economy.

New hope for treating or avoiding heart failure after cancer drugs

Researchers found that elevated troponin I levels may predict future heart failure in cancer patients, even if the heart appears to be functioning normally. ACE inhibitors have shown promise in restoring cardiac function and preventing cardiotoxicity in breast cancer patients treated with anthracyclines.

HIV selectively suppresses anti-HIV defense cells

Researchers found that HIV preferentially infects HIV-specific CD4+ T cells, which are essential for directing the immune system's response to pathogens. This phenomenon highlights the vulnerability of these cells to viral infection and suggests ways to design a more effective HIV vaccine.

New x-ray resource for examining biomolecular structures

The new NE-CAT resource will provide urgently needed access to synchrotron radiation for probing biomolecular structures. This will lead to a deeper understanding of how proteins function and interact, ultimately informing the design of new therapeutics for human disease.

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.

A new 'atom wave' phenomenon

Researchers at Rice University have successfully created atomic solitons, a type of 'atom wave' that can propagate without dispersing, in a narrow beam of light. This breakthrough has potential applications in ultra-high speed optical communication networks and extremely precise measurements using atom lasers.

MelTec GmbH characterizes protein networks involved in T-cell invasion

Researchers analyzed muscle biopsies from patients with polymyositis and sarcoid myopathy to identify key cell surface receptors involved in T-cell adhesion and migration. The study used MelTec's MELK technology to map protein networks in whole, intact cells, providing new insights into disease mechanisms.