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Science News Archive January 2017


Page 19 of 35

Are you ready to explore your baby's genome?

A national consortium of researchers is studying the pros and cons of genome sequencing for newborn health, raising questions about parental responsibility and child autonomy. The four studies across the US aim to develop evidence for guidelines on effectively incorporating new technology into newborn screening or care.

The devil is in the details

In mouse models, NRP2a inhibited tumor cell proliferation while NRP2b promoted metastasis and progression. Cancer stem cells were also reduced in NRP2b knockdown models, providing new insights into lung cancer progression. The study suggests that targeting NRP2b may lead to improved therapies for non-small cell lung cancer.

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.

Study challenges potential pancreatic cancer target

Researchers found PDX1 plays a complex role in pancreatic cancer, maintaining cell identity in normal cells but contributing to growth once tumor forms. Blocking PDX1 may actually make the cancer more aggressive by selecting for MYC-expressing cells.

Research makes leap with frog models

Researchers have turned to frog models to study the impact of early stressors on adult diseases, finding that a specific gene USH1g is highly expressed in response to stress. This study sheds light on the mechanisms behind fetal stress hormone effects on adult chronic diseases.

Plant-derived products may help fight HBV

Researchers have discovered that plant-derived products, such as proanthocyanidin (PAC), can inhibit hepatitis B virus (HBV) entry into host cells and potentially treat treatment-resistant strains. PAC also enhances the effectiveness of antiviral drugs like tenofovir, offering a promising new approach to combatting HBV.

Apple iPhone 17 Pro

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

Penn study identifies potent inhibitor of Zika entry into human cells

Researchers have identified nanchangmycin as a potent inhibitor of Zika virus entry into human cells, including endothelial and placental cells. This finding represents a 'stepping stone' towards the development of a new class of anti-virals that target the same mode of entry used by other viruses like West Nile and dengue.

Are you ready to explore baby's genome?

A national consortium of clinical geneticists is studying the use of genome sequencing for newborn health screenings, prevention, and prediction. The study aims to develop guidelines for incorporating this technology into newborn care.

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.

Tigers could roam again in Central Asia, scientists say

Researchers have identified two promising sites in Kazakhstan where Amur tigers could be reintroduced to Central Asia. The Ili River delta and adjacent southern coast of Balkhash Lake are considered suitable habitats, covering approximately 7,000 square kilometers. To ensure a sustainable future for both tigers and local communities, a...

NREL pioneers better way to make renewable hydrogen

Scientists at NREL developed a method to improve the stability and activity of photoelectrochemical water-splitting devices, which can produce hydrogen from sunlight. The new approach uses a bilayer of titanium dioxide and molybdenum sulfide to protect the photocathode from acidic solutions.

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.

Patients face 'surprise' medical bills from out-of-network specialists

New research reveals that patients are often surprised with medical bills four-to-six times higher than expected when they see out-of-network specialists, despite not choosing them. The study finds that anesthesiologists and other specialists charge significantly more than Medicare pays for similar services.

Commercial interests may drown out patients' voices

A growing body of evidence suggests that patient advocacy groups funded by pharmaceutical companies may promote treatments that serve the companies' interests rather than patients' needs. Studies have found that these groups are often biased towards funding sources, with some reporting pressure to conform to industry positions.

Study shines light on how to build better bacteriophage therapies

Scientists have identified two bacteriophages, dubbed superspreaders, that promote the transfer of antibiotic resistance genes in bacterial communities. These phages, SUSP1 and SUSP2, can efficiently release plasmid DNA intact upon phage lysis, which may drive bacterial evolution in natural environments.

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.

Tiny fruit flies use cold hard logic to select mates

Researchers found that male fruit flies consistently choose the female mate that would produce the most offspring, even when impaired senses were removed. The cognitive process of making rational choices is a unique human trait, but this study provides evidence that fruit flies can also make such decisions.

Discovery could lead to jet engines that run hotter -- and cleaner

Researchers at Ohio State University have discovered a way to deactivate nano twins in superalloys, strengthening their high-temperature properties. This technique, called phase transformation strengthening, eliminates alloy deformation by half, enabling turbine engines to run cleanly and efficiently.

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.

Asthma not found in high percentage of adults who were previously diagnosed

Researchers found that approximately one-third of adults with a previous asthma diagnosis couldn't be re-diagnosed due to spontaneous remission or misdiagnosis. The study also highlighted the importance of objective testing to confirm asthma diagnosis, suggesting that failure to use these tests may lead to misdiagnosis.

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.

Molecular clocks will turn back time on what wiped out the dinosaurs

Researchers from the University of Bath will investigate mass extinction using genetic and fossil analyses to understand patterns of extinction and species formation. They hope to find evidence of higher extinction rates before the K-Pg boundary, shedding light on recovery rates after the event.

Community-acquired pneumonia can spread year-round

A study of 12 years of community-acquired pneumonia data found that while the condition occurs throughout all seasons, winter is the peak season for pathogen variation. The research suggests that community-acquired pneumonia can no longer be classified as a seasonal disease.

Personalized treatment for those in blood pressure 'gray zone'

Researchers found that coronary artery calcium scores can help personalize treatment for patients with mild to moderate high blood pressure, reducing the risk of heart disease. The study suggests using these scores to determine the most appropriate blood pressure treatment strategy for each patient.

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.

Cell biology: Take the mRNA train

Researchers have characterized the structure of a macromolecular complex involved in mRNA transport, showing how RNAs are recognized and bound by binding proteins in the nucleus. The complex allows for the specific recognition and transport of mRNAs from the cell nucleus to the cytoplasm.

Diabetes in Chinese adults linked to 9 years' loss of life

Research published in JAMA Network found that diabetes in middle-aged Chinese adults leads to a nine-year loss of life on average. The study discovered higher mortality risks from ischemic heart disease, stroke, and cancer, particularly in rural areas.

Calorie restriction lets monkeys live long and prosper

A collaboration between two research teams has resolved a scientific controversy on calorie restriction's effects on aging. The study shows that restricting calories improves survival, reduces cancer, cardiovascular disease, and insulin resistance in adult and older primates but not in younger animals.

Fluke 87V Industrial Digital Multimeter

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

Ludwig study reveals why cancer cells spread within the body

A new study by Ludwig Institute for Cancer Research has identified an ancient cellular response that underlies the spread of melanoma. The findings show that punishing conditions within the tumor prompt a subset of tumor cells to become invasive, and suggest novel strategies for treating this form of skin cancer.

First of its kind cancer stem cell research unlocks clues to treatment resistance

Researchers at Trinity College Dublin have discovered a link between the loss of miR-17 and oesophageal tumour resistance to radiotherapy. Higher numbers of cancer stem cells formed larger, more aggressive tumours and were more resistant to radiation-induced cell death. Synthetic miR-17 may enhance radiotherapy effectiveness in patients.

Delhi's health system: Inadequate progress for a global city

Recent investments in Delhi's health care have failed to improve access to effective care, with crushing poverty and inequalities hindering progress. The city's high rates of premature deaths from causes such as septicemia and tuberculosis are a concern, highlighting the need for increased public health spending and policy changes.

Birds of a feather flock together to confuse potential predators

Researchers found that starlings are safer from predation in larger flocks due to the confusion effect, where predators struggle to target individual birds. The study suggests that this behavior may be one of many functions of these impressive groups in starlings.

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.

When it comes to mating, fruit flies can make rational choices

A team of researchers from the University of Washington found that male fruit flies exhibit transitive decision-making when selecting a mate, processing information from visual and chemical cues. The study showed that males prioritize females with higher reproductive capacity, suggesting a rational choice mechanism.

Biophysics plays key role in immune system signaling and response

Researchers discovered that biophysical cues of pathogen-associated molecular patterns (PAMPs) influence the immune system's response to pathogens. The findings suggest that understanding these cues can help fine-tune vaccine responses and generate potent immune reactions.

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.

Study shows signs of hope for endangered sea turtles

Researchers found that loggerhead turtles spend an average of seven years and 16 years in the waters off Baja California before migrating to Japan. The study provides crucial information for developing conservation plans and reducing bycatch rates, which can be as high as 1,000 turtles per year.

Candidates for bionic hand reconstruction

Researchers develop a treatment algorithm for bionic hand reconstruction in patients with severe nerve damage, offering improved hand function and reduced chronic pain. The study's five patients show significant improvements in hand function, including increased sensitivity and motor control.

Successful antibody trial in HIV-infected individuals

A new HIV antibody, 10-1074, has been successfully tested on humans, demonstrating high antiviral activity and favourable pharmacokinetic properties. The trial also investigated the development of resistant HIV variants, providing valuable insights into the potential treatment approach.

Report highlights national trends in heart disease treatments

The report showcases improvements in heart attack care, with 93% of patients receiving stents within 90 minutes. Key findings also highlight strengths and areas for improvement in other cardiovascular procedures, such as ICD therapy and congenital heart disease interventions.

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.

Unveiling the biology behind nonalcoholic fatty liver disease

Researchers at EPFL have identified a key player in the development of nonalcoholic fatty liver disease (NAFLD), a condition characterized by excessive fat accumulation in the liver. The study found that impaired SUMOylation of nuclear receptor LRH-1 promotes NAFLD, highlighting potential new treatments and biomarkers for the disease.

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.

How solvents affect the skin

Researchers studied how solvents affect skin molecules, revealing changes in fluid state and interactions with added components. The findings improve understanding of molecular mechanisms, enabling more efficient regulation of skin properties.

Rapamycin tones down the toxicity of HIV-1 reactivation strategies

Researchers found that rapamycin treatment reduced proinflammatory cytokine release and toxicity without decreasing HIV-1 reactivation in T cells. The treatment did not impair the immune system's ability to recognize infected T cells, making it a potential strategy for targeting latent HIV-1 reservoirs.

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.