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Science News Archive May 2008


Page 8 of 22

Seeing clearly despite the clouds

Scientists at PNNL developed a way to reduce cloud-induced glare when satellites measure blue skies on cloudy days, allowing for more accurate estimates of sunlight penetration. The new approach improves visibility by as much as ten-fold in some cases, enabling better climate modeling.

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.

Which is accurate, CT or MRI?

A study published in World Journal of Gastroenterology found that CT scans and MRI scans are equally accurate in detecting paraaortic lymph node metastasis in patients with pancreatico-biliary carcinoma. The results support the current clinical practice of using both imaging modalities for evaluating this condition.

Apple iPhone 17 Pro

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

Teen blood donors have higher risk of donation-related complications

Sixteen- and 17-year-olds are more likely to experience donation-related complications such as fainting and bruising compared to older donors. Complications were found in 10.7% of donations by teens, with injuries from fainting being uncommon but severe enough to require medical care.

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.

Scientists find first dinosaur tracks on Arabian Peninsula

Researchers found evidence of a large ornithopod dinosaur and a herd of 11 sauropods walking together at the same speed. The site preserved footprints that provide insights into dinosaur herding behavior, a rare example of social behavior for reptiles.

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.

A promising tumor gene therapeutic target: tMK

Researchers found that overexpressed midkine (MK) and its truncated form (tMK) significantly promote the proliferation of gastric adenocarcinoma cells and tumor growth in nude mice. This study suggests tMK as a promising therapeutic target for gastric cancer treatment.

New prognostic markers for gastric cancer patients

Researchers discovered a correlation between syndecan-1, E-cadherin and integrins with gastric cancer prognosis. The study suggests these markers could be important indexes for predicting the outcome of gastric carcinoma patients.

NIAID to advance B-cell approach to HIV vaccines

The NIAID research program aims to uncover mechanisms to enable scientists to outwit HIV and stimulate the production of long-lasting antibodies that can neutralize many strains of the virus. By understanding how B cells recognize antigens and producing broad-spectrum antibodies, researchers hope to develop a preventive HIV vaccine.

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.

Research tool can detect autism at 9 months of age

Researchers at McMaster University have developed an eye-tracking technology that can detect autism in babies as young as nine months old. This tool distinguishes between siblings with autism and those without at this early age, offering a faster and more objective diagnostic process.

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.

Do chemicals in the environment affect fertility?

A three-year study will investigate how low levels of environmental chemicals affect sheep foetuses and potentially human health. The researchers aim to understand the long-term reproductive effects of exposure to hormone-like chemicals, which could have greater consequences for females than males.

COPD patients benefit more from pulmonary rehab in earlier stages

Researchers found that COPD patients who lived longer than two years obtained more positive results from their PR program than those with end-stage COPD. The study suggests that other factors present at end of life may contribute to poorer outcomes in exercise capacity and quality of life.

Scientists find first dinosaur tracks on Arabian Peninsula

Researchers found evidence of a large ornithopod dinosaur and a herd of 11 sauropods walking together along a Mesozoic coastal mudflat in Yemen. The discovery provides insight into dinosaur herding behavior, with the trackways preserved in rocks likely dating back to the Late Jurassic period.

How can we measure the emotional states of animals?

A new approach measures animal emotional states based on human psychology findings that emotions affect information processing. Rats in standard conditions show stronger responses to lost rewards than those in enriched environments, suggesting a negative emotional state.

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.

Overweight in adolescence gives increased mortality rate

A new study finds that people who were overweight in adolescence have a higher risk of mortality from endocrine, nutritional, and metabolic diseases, cardiovascular diseases, colon cancer, and respiratory diseases. The study of 230,000 Norwegian adolescents found an increased mortality rate among those with high BMI.

How to diagnose and treat Gardner syndrome with gastric polyposis

A case report describes the diagnosis and treatment of Gardner syndrome with gastric polyposis in a 23-year-old female patient. The patient underwent restorative proctocolectomy with ileal pouch anal anastomosis, showing gradual recovery from malnutrition and anemia.

Global menopause summit concludes HRT is safe for healthy women entering menopause

Global menopause experts conclude that HRT is safe and beneficial for healthy women in the early postmenopausal period. The Zürich Summit reviews evidence on the safety, risks, and benefits of HRT, finding no increased risk of chronic heart disease or breast cancer in this group. HRT also maintains bone health and may delay cognitive d...

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.

New patient satisfaction study with budesonide/formoterol combination therapy

A new study found that patients receiving budesonide/formoterol combination therapy reported significantly greater satisfaction with symptom relief, dosing management, and timeliness of medication effects. In contrast, patients treated with fluticasone/salmeterol combination therapy experienced lower levels of satisfaction in these areas.

Economist labors over employment relationships

A researcher studies job satisfaction among Chinese workers, examining unique labor market institutions such as membership in the Communist Party. His work also explores motivating factors for workers, including high performance workplaces, performance pay, and family-friendly practices.

A new indicator for esophageal varix in alcoholic disease

Researchers found that serum type IV collagen is a predictive factor of esophageal varices in patients with severe alcoholic disease. The combination of abdominal ultrasound scan and type IV collagen correctly identified patients with esophageal varices at a high rate.

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.

Study analyzed SYMBICORT in children with persistent asthma

A new study analyzed SYMBICORT in children with persistent asthma, showing significant improvements in nighttime symptoms, rescue medication use, and lung function. The results indicate that SYMBICORT is effective for treating mild to moderate persistent asthma in children aged 6-15.

Tuberculosis not the only risk from new immunological drugs

A survey of infectious diseases physicians found that patients taking immune-modulating therapies are at risk for nontuberculosis mycobacterial infections, histoplasmosis, and invasive S. aureus infections. Clinicians should be vigilant for these infections, particularly in patients with underlying lung disease.

What are the features of Chinese patients with reflux esophagitis?

The study found that Chinese patients with reflux esophagitis had a peak age of onset between 40¨C60 years, with more male patients than female ones. The mean age of onset was lower in males than females. H pylori infection rates were significantly decreased in patients with esophagitis, but severity was not associated. Older age and h...

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.

Farm moms may help children beat allergies

A study of farming mothers and their children found that those exposed to farms had higher functioning regulatory T cells, which can suppress immune responses. This increase was strongest among babies born to mothers who spent time on farms or drank farm milk, suggesting a potential preventive strategy against allergic diseases.

Scientists 'paint' viruses to track their fate in the body

Researchers develop a technique to coat viruses with proteins, allowing for easier tracking and treatment of infectious diseases. This breakthrough could lead to new treatments for cancer, cardiovascular, metabolic, and inherited disorders.

Heterotopic gastric tissue simulating acute appendicitis

A unique surgical case presented a patient with heterotopic gastric tissue simulating acute appendicitis. The inflammation from the gastric tissue caused localized pain and elevated white blood cell count. Removal of the inflamed lymph node containing the gastric tissue resolved the symptoms.

How are pancreatic stellate cells activated?

GAL-3 stimulates pancreatic stellate cell activation, which promotes the proliferation and invasion of pancreatic cancer cells. This interaction provides a new therapeutic target for controlling pancreatic cancer.

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.

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.

New pharmacological effect of Jianpi Huoxue Decoction

Researchers have confirmed that Jianpi Huoxue decoction inhibits targets in LPS-activated Kupffer cell signal pathway, reducing cytokine expression and endotoxin receptor activity. The study provides new evidence for JHD's potential therapeutic benefits for alcoholic liver injury.

A potential route for human tumor gene therapy

Researchers investigated using gene therapy to inhibit NHE1 in human gastric carcinoma cells, leading to apoptosis of tumor cells. The study found that inhibition of NHE1 reduced malignant phenotypes and restrained tumor cell survival.

U of M study: New blood test reveals risk for metabolic syndrome

Researchers discovered a link between high oxidized LDL levels and increased risk of developing metabolic syndrome, which can lead to heart disease. Those with the highest levels of oxidized LDL were 3.5 times more likely to develop metabolic syndrome over five years.