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Science News Archive September 2017


Page 23 of 39

Natural molecule appears to shut off cancer cells' energy source

Researchers at Duke Cancer Institute identified a natural compound, koningic acid, that selectively shuts down the Warburg Effect in cancer cells. This phenomenon, where cancer cells voraciously consume glucose for energy, is controlled by an enzyme called GAPDH.

Too many older diabetes patients are being overtreated

A new study reveals that up to 11% of older Americans with well-controlled diabetes are being overtreated, while around 7% are undertreated. The research emphasizes the need for personalized care in treating diabetes in older patients.

Apple iPhone 17 Pro

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

How does a cell maintain its identity during replication?

A recent Penn study found that gene expression persists during cell replication, contradicting the long-held assumption that genes become 'silent' during this process. The research, led by Katherine C. Palozola and Kenneth S. Zaret, sheds new light on how cells maintain their identity during division.

Spread of Zika linked to how much time people spend outside

A new study in Miami-Dade County, Florida found that time spent outdoors affects Zika virus transmission and spread. Residents who spend more time outdoors are more likely to be infected, while those with high indoor exposure risk infect fewer people but spread the virus faster.

Chimera viruses can help the fight against lymphomas

Researchers from Instituto de Medicina Molecular created a chimera virus that can test molecules to treat cancers caused by human herpes virus infection in mice models of disease. This finding preserves the functionality of LANA, a protein vital for Kaposi virus maintenance, allowing new cancer treatments to be developed.

Meta Quest 3 512GB

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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.

Physicists offer explanation for diverse galaxy rotations

A team of physicists led by Hai-Bo Yu propose a new theory that dark matter particles strongly collide with each other in the inner halo of galaxies, explaining diverse galactic rotation curves. This self-interacting dark matter model thermalizes the inner halo, tying ordinary and dark matter distributions together.

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.

Self-folding electronics could enable advanced robotics (video)

Researchers have developed a way to print electronics that can fold themselves into desired shapes, addressing limitations of traditional 3D printing. The new ink-based method uses residual stress to create self-folding devices without additional processing steps or stimulus.

Toward unbreakable encrypted messages

Chinese researchers have successfully sent encrypted messages using quantum-entangled photons over a distance of over 700 miles, breaking the previous record. The achievement is significant as it paves the way for practical quantum communication systems.

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.

Folding biomolecule model shows how form dictates function

Researchers developed a theoretical method to calculate biomolecule conformations and demonstrate consistency with experimental results. The model sheds light on the role of amino acid structures in protein functions, revealing potential for extrapolating properties to larger systems.

Don't blame your genes for your toothache, twin study shows

Researchers used twin study to investigate role of genes and oral microbiome in cavity formation, finding that dietary and hygiene habits play a significant role. The study also revealed a link between specific bacteria and sugar consumption, with certain species associated with more cavities.

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.

Using NASA satellite data to predict malaria outbreaks

Researchers use NASA satellite data to predict malaria outbreaks in the Amazon Rainforest by tracking mosquito breeding grounds and human movement. The tool combines land surface modeling, vegetation maps, and deforestation data to identify areas at high risk of outbreaks.

Lion conservation requires effective international cooperation

A review article assesses the current and potential future role of international treaties in lion conservation. The analysis highlights the importance of various global and regional treaties, such as the World Heritage Convention and CITES, for protecting lion habitats and regulating trade in lion products.

Measuring a crucial mineral in the mantle

Researchers used instrumented nanoindentation to measure olivine's strength, finding it weaker with larger diamond tips. The study resolves a long-standing debate on the mineral's strength and has implications for understanding plate tectonics and volcanic activity.

Caffeine linked to lower risk of death in women with diabetes

Women with diabetes who regularly drink caffeinated coffee or tea may live longer than those who don't consume caffeine at all. The study found that higher levels of caffeine consumption from coffee were associated with a reduced risk of death from any cause, particularly from cardiovascular disease.

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.

Study clears important hurdle towards developing an HIV vaccine

Researchers have found a way to generate long-lasting immune cells that can respond to and stop HIV virus infection. The team demonstrated that a modified gp140 protein approach improves B-cell responses, boosting the ability of B-cells to make protective antibodies against HIV.

Helping Chinese farmers tackle erosion, increase profits

Research finds that intercropping corn with chili peppers reduces soil erosion, improves economic return, and increases biodiversity. This method is particularly beneficial for farmers in southern China's hilly areas, where it can bring in an extra $1,000-$2,000 per year.

Weight loss after obesity surgery may reverse eye damage

A recent study published in Diabetologia found that weight loss after obesity surgery can reverse early eye damage caused by obesity, high blood pressure, and diabetes. The research team discovered improvements in the retinal microvasculature of obese subjects following bariatric surgery.

Should Google offer an online screening test for depression?

Experts debate the value of an online screening test for depression, with some arguing it could prompt informed conversations with clinical professionals and provide potentially helpful resources. However, others express concerns about inadequate treatment resources and misuse of data, warning that unregulated screening may cause harm.

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.

CU Boulder scientists ready for Cassini mission to Saturn grand finale

CU Boulder scientists, led by Professor Larry Esposito, will continue to study Saturn's rings, moons and atmosphere using the Ultraviolet Imaging Spectrograph (UVIS) instrument on the Cassini-Huygens mission. The team has made numerous discoveries, including the detection of oxygen atoms in Saturn's system and water plumes from Enceladus.

New hope for 'bubble baby disease'

Researchers have developed a new testing regime to diagnose severe combined immune deficiency (SCID) syndrome faster, enabling more infants to receive life-saving treatment within a critical timeframe. The regime uses a checklist of potential SCID markers, including family history, candidiasis, and low absolute lymphocyte counts.

Tough stuff: Spider silk enhanced with graphene-based materials

Researchers enhanced spider silk with graphene-based materials, boosting its mechanical properties by up to three times the strength and ten times the toughness. The modified silks show promising applications in high-performance or biodegradable textiles such as parachutes or medical dressings.

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.

Type 2 diabetes is a reversible condition

A low-calorie diet has been shown to reverse Type 2 diabetes by reducing liver and pancreatic fat content, allowing insulin production to resume. The reversal of diabetes remains possible for up to 10 years after onset with sustained weight loss.

Offhand comments can expose underlying racism, UW study finds

A University of Washington-led study explores the connection between microaggressions and racism, finding that whites who commit them are more likely to harbor negative feelings towards blacks. The research suggests that such subtle biases can be just as damaging as overt forms of racism.

FDA-approved drug may block resistance to anti-angiogenesis therapy

Researchers identified a potential strategy to improve anti-angiogenesis therapy efficacy by targeting an immunosuppressive pathway in colorectal cancer. Blocking the CXCR4/CXCL12 pathway with an FDA-approved drug, AMD3100, enhanced treatment effects and alleviated immune suppression.

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.

Treatment nonexistent for some glioblastoma patients

Patients diagnosed at high-volume centers are up to 40% more likely to receive treatment for glioblastoma and live approximately three and a half months longer than those treated at low-volume centers. The study suggests that patients benefit from care at hospitals treating a high number of brain tumor patients.

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.

New research examines how people make high-stakes choices

The study aims to identify variables that predict why certain individuals are better at making tough decisions, as well as understand how people arrive at difficult choices. By training soldiers, first-responders, and civilians, the research hopes to produce better outcomes in life-threatening situations.

Research finds roots use chemical 'photos' to coordinate growth

Researchers have discovered that young roots take chemical snapshots to detect obstructions and coordinate their paths, outsmarting seemingly random root patterns. This process relies on compounds similar to those used in traditional photography, improving understanding of plant immunity and potential crop yield boosts.

Startup develops animal detection system to prevent roadkill

A Brazilian startup has developed an animal detection system that uses sensors and transmitters to warn drivers of potential wildlife crossings. The system, called Passa-Bicho, aims to reduce roadkill and collisions by providing early warnings to drivers, covering hundreds of meters ahead.

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.

Researcher sheds new light on how brain operates like GPS

Researchers discovered how brain processes visual information to make navigation decisions, creating a 'map' of location and linking actions. This finding may help understand breakdowns in Alzheimer's disease and other neurological disorders.

A popular bottle-breaking trick is giving insight to brain injuries

Researchers used high-speed photography to study the formation of small bubbles in liquids, which can cause destructive shockwaves and potentially lead to brain trauma. The team developed an alternative formula to predict when cavitation will occur, with potential applications for athletic safety devices and military blast protection.

Delayed weaning reduces behavioral problems in cats

A new study by the University of Helsinki found that delaying weaning in cats until 14 weeks of age can significantly reduce behavioral problems. The research discovered that early weaning is linked to increased aggression and stereotypic behavior, suggesting a link between neurotransmitter changes and these behaviors.

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.