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Science News Archive 2013


Page 314 of 352

Indian plant could play key role in death of cancer cells

Researchers have identified an Indian plant compound, gedunin, that attacks a co-chaperone of Hsp90 and leads to the inactivation of the Hsp90 machine, killing cancer cells. This finding may open new ways for targeting Hsp90 using established inhibitors.

Technique that removes additional toxins prolongs dialysis patients' lives

A technique that removes additional toxins during dialysis decreased kidney failure patients' risk of dying from any cause by 30% over three years, with lower risks of heart-related causes and infections. The study's findings suggest OL-HDF may indeed prolong kidney failure patients' lives compared to conventional hemodialysis.

Apple iPhone 17 Pro

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

Are billboards driving us to distraction?

Researchers found that emotionally charged words on billboards can provoke an emotional response, distracting drivers and decreasing traveling speed. Positive connotations sped up drivers' responses, while negative words led to drifting and veering from the lane.

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.

Researchers discover breakthrough in ovarian cancer

A recent study published in The Lancet Oncology reveals that patients with low-grade serous carcinoma of the ovary or peritoneum can experience tumor stabilization or shrinkage after taking a regular dose of selumetinib. This breakthrough discovery offers new possibilities for treating previously chemoresistant tumors.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

What green algae are up to in the dark

Researchers at Ruhr-University Bochum have discovered a metabolic pathway for hydrogen production in green algae under stress conditions, even in the dark. This discovery provides new insights into the production of hydrogen gas and its potential application in sustainable energy solutions.

Low-protein diet slows Alzheimer's in mice

Mice with Alzheimer's-like pathologies showed improved memory and slower disease progression on a low-protein diet supplemented with specific amino acids. The study found reduced levels of IGF-1 and increased blockade of its effects, suggesting potential non-invasive treatments.

Risk of leukemia after cancer chemotherapy persists

A study published in Blood found that certain chemotherapies increase a patient's risk of developing therapy-related acute myeloid leukemia (tAML), a rare but frequently fatal condition. The risk varies by type of cancer and year of diagnosis, with some patients facing higher risks more than 10 years after their initial diagnosis.

Meta Quest 3 512GB

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

Stay cool and live longer?

Researchers discovered a genetic program that promotes longevity in roundworms at cold temperatures and found it exists in humans. The study links calcium signaling to aging for the first time, suggesting exposure to cold air or stimulation of this genetic program may promote mammalian longevity.

First animal model of recent human evolution

A team of researchers created an animal model of recent human evolution, revealing a single mutation that produced several traits common in East Asian peoples. The study found that the mutation arose around 30,000 years ago in central China and is linked to thicker hair, denser sweat glands, and other skin features.

2 Cell studies reveal genetic variation driving human evolution

Researchers used an animal model and whole-genome sequence data to identify hundreds of gene variants that potentially helped humans adapt to changing environmental conditions. The findings provide a road map for understanding human biological history and modern-day variability, including traits like resistance to infectious diseases.

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 technologies deployed to counter the threat of GPS jamming

Research confirms small devices are primary cause of GPS jamming, with commercial drivers using jammers during moonlighting activities. New technologies, including intelligent receivers and radio-based backups, will protect against impact of these jammers.

Long noncoding RNAs control development of fat cells

Researchers at Whitehead Institute have identified long noncoding RNAs as essential regulators of white fat cell development, which can lead to obesity. The study found that knocking down specific lncRNAs reduced the formation of lipid droplets in fat cells.

NASA scientists part of Arctic Sea ice study

Researchers found a 36% autumn and 9% winter decline in Arctic sea ice volume over the last decade. The study builds on previous studies using submarine and NASA satellite data, verifying compatibility with CryoSat-2 satellite measurements.

Gro Harlem Brundtland recieves Huntington Environmental prize.

The Woods Hole Research Center has awarded the Lawrence S. Huntington Environmental Prize to Dr. Gro Harlem Brundtland, a renowned leader in sustainability and climate change. Dr. Brundtland's vision of sustainability has inspired generations of scientists and policymakers.

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.

Cure in sight for kissing bug's bite

Researchers at Vanderbilt University Medical Center have discovered a potential cure for both acute and chronic forms of Chagas disease in mice using the small molecule VNI. The treatment achieved 100% survival without toxic side effects.

New owl species discovered in Indonesia is unique to one island

A new owl species has been discovered on the Indonesian island of Lombok, with a unique vocalization that distinguishes it from other owls. The species, named Otus jolandae, is endemic to Lombok and was confirmed through field work and comparisons to museum specimens.

Valentine's Day tales of romance and chemistry

A study found that nearly half of online Viagra samples contained only 30-50% active pharmaceutical ingredient. Meanwhile, bedbugs produce a foul odor during mating attempts to deter unwanted advances.

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.

Opera's poisons and potions connect students with chemistry

This article from ACS' Journal of Chemical Education explores the real chemistry behind famous opera plots, including poisonous snake bites and deadly venoms. The author highlights several examples of operatic themes involving chemistry that can be used as a teaching tool for students and the general public.

Light-emitting bioprobe fits in a single cell

Researchers at Stanford have developed a light-emitting probe that can be injected into individual cells without harm. The device uses photonic cavities to amplify light and detect specific biomolecules, paving the way for real-time sensing and monitoring of cellular biology.

Advance promises to expand biological control of crop pests

A new discovery allows for expanded use of a mainstay biological pest control method, the sterile insect technique (SIT), which avoids health and environmental concerns. The approach involves mass release of radiation-sterilized insects that mate but produce no offspring, reducing pest populations.

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.

A neural basis for benefits of meditation

Researchers propose that mindfulness practitioners gain enhanced control over sensory cortical alpha rhythms, enabling optimal filtering of sensory information and regulation of negative thoughts. This control is linked to the practice of mindful awareness of breath and body sensations.

European satellite confirms UW numbers: Arctic Ocean is on thin ice

A European Space Agency satellite confirms a University of Washington analysis that the Arctic has lost more than a third of its summer sea-ice volume since 2012. The Arctic is now shrinking and thinning, with summer ice volume estimated to be one-fifth of what it was in 1980.

Preventing obesity transmission during pregnancy

A recent publication by ILSI Europe identifies key contributors to child obesity, including maternal diet, gestational weight gain, and metabolic perturbations. Combining data from clinical studies could lead to more effective nutritional advice for pregnant women.

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.

Magnetic shielding of ion beam thruster walls

A research team at Caltech's Jet Propulsion Laboratory has found a way to effectively control erosion of Hall thruster walls by shaping the engine's magnetic field. By minimizing the effect of plasma on the magnetic field lines, they demonstrated 100 to 1,000 times less wall erosion when using magnetic shielding.

Engineers show feasibility of superfast materials

Engineers at the University of Utah have shown that it is feasible to create organic topological insulators, which can conduct electricity on their edges but act as an insulator inside. This discovery could enable faster-than-light information transfer in quantum computers and spintronics devices.

Kinect teleport for remote medicine

A new system using Kinect technology and Azure connectivity can replace expensive telemedicine systems, reducing hospital-acquired infections and patient transport costs. The system uses low-bandwidth connections and can be used in areas with unreliable internet, making it a powerful tool for remote communities.

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.

Genetic study pursues elusive goal: How many humpbacks existed before whaling?

A genetic analysis reveals that North Atlantic humpback whales once existed in numbers of over 100,000 individuals, with an estimated range of 45,000 to 235,000. The study's findings provide a more accurate estimate than previous catch data and have significant implications for determining the recovery threshold of the species.

Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Scientists discover how animals taste, and avoid, high salt concentrations

Researchers at Columbia University Irving Medical Center have identified two opposing behaviors triggered by salt concentrations in mammals, allowing them to avoid high-salt diets. The discovery may lead to the development of taste modulators to control appetite and reduce the effects of excessive sodium intake.

UNC researchers discover gene that suppresses herpesviruses

Researchers at the University of North Carolina have identified a family of human genes known as Tousled-like kinases (TLKs) that play a key role in suppressing and activating herpesviruses. The discovery suggests that suppressing TLK enzymes may help prevent viral replication and reduce the risk of virus-associated cancers.

A cooler way to protect silicon surfaces

Researchers at MIT have developed a new passivation process that can protect silicon surfaces at room temperature, reducing energy costs and enabling the production of more efficient solar cells. This breakthrough has the potential to replace traditional silicon nitride coatings, which are currently expensive and finicky.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Robots with lift

Soft robots designed by Harvard researchers can leap up to a foot in the air using small explosions of methane and oxygen. This fast-acting system could aid in search and rescue missions. The robots' jumping ability is made possible by a simple valve system and the brief, high-energy explosion.

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.

Study suggests infant deaths can be prevented

Researchers found that blocking a complement protein C5 reduces placental blood vessel growth limitations, allowing for improved fetal survival and growth. The study provides hope for preventing adverse birth outcomes worldwide.

Vanderbilt study reveals clues to childhood respiratory virus

The Vanderbilt-led research found that human metapneumovirus is the second leading cause of severe bronchiolitis in young children, affecting more children over age 1 than RSV. The study provides a clearer picture of how this virus impacts children and highlights the need for vaccines to prevent it.