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Science News Archive 2004


Page 35 of 135

Widely used treatment for head injuries found to be harmful

A large international study has found that anti-inflammatory drugs commonly used to treat severe head injuries can increase the risk of death by up to 20% within two weeks. The CRASH trial recruited over 20,000 patients from 49 countries and concluded that these drugs should not be used routinely to treat head injury

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.

Lipids vary by race, gender

A study found racial and gender differences in lipid profiles, with African-American women having the best distribution and white men having the worst. These differences can determine cardiovascular disease risk.

Why rocks curl

Researchers developed an experiment to measure the behavior of curling stones, revealing that wet friction is involved in their curl. The study found that a thin liquid layer reverses the dominant frictional force on the stone, resulting in a clockwise-turning stone curling to the right.

NASA software enables satellite self-service options in space

NASA has successfully tested artificial intelligence (AI) software that can detect and diagnose errors in satellite systems. The Livingstone Version 2 (LV2) software is being used to troubleshoot the NASA Earth Observing One (E0-1) satellite's instruments and systems, allowing for more efficient and effective maintenance.

Apple iPhone 17 Pro

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

MIT: Recycling of scrapped electronics studied

The study introduces value-based metrics such as value retention and value-added to evaluate the effectiveness of electronics recycling firms. It found that these metrics worked well in case studies of three US firms and can help improve recycling efficiency.

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.

Yale scientists find cooperative RNA switches in nature

Researchers at Yale University have identified a cooperative RNA switch in nature, which responds to various target compounds and regulates metabolic processes. This discovery supports the theory of an RNA World, where RNA molecules served a central role in early life.

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.

Air rather than oxygen for babies requiring ventilation after delivery

A new study suggests that providing air rather than 100% oxygen for newborn babies requiring ventilation after delivery can reduce infant mortality. The findings are based on a systematic review and meta-analysis of five trials, which found that 5% fewer babies given air died compared to those given 100% oxygen.

Viruses found in untreated city water

A study by Marshfield Clinic and USGS revealed that untreated city water in La Crosse contains various types of gastrointestinal viruses, including enteroviruses, rotavirus, hepatitis A virus, and norovirus. The presence of these viruses poses a risk to the drinking water supply, particularly in shallow sand and gravel aquifers.

$12.5 million in subcontracts awarded for fusion experiment at Princeton

The U.S. Department of Energy's Princeton Plasma Physics Laboratory has awarded subcontracts worth $8 million and $4.5 million to manufacture major components for the National Compact Stellarator Experiment (NCSX), a fusion energy project aiming to advance basic science and explore innovative concepts.

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.

Bovine genome assembled

The first draft of the bovine genome sequence has been deposited into free public databases, making it available for researchers to study and analyze. The completed genome will aid in medical breakthroughs, disease management, and nutritional enhancement of beef and dairy products.

Researchers find chemosignal that encourages women's sexual desire

A team of researchers at the University of Chicago found a chemosignal in breastfeeding compounds that encourages women's sexual desire. Women with regular partners experienced a 24% increase in sexual desire after two months of exposure, while those without partners saw a 17% boost in sexual fantasies.

Sopping salts could reveal history of water on Mars

Researchers found that different magnesium sulfate salts contain varying amounts of water, which could provide insight into Mars' history. The proportion and distribution of these salts may hold clues about past climate changes and water presence on the planet.

Gene from 1918 virus proves key to virulent influenza

Researchers discover that adding a single gene from the 1918 virus to a benign strain of influenza can transform it into a highly virulent form. This finding supports the idea that the 1918 Spanish flu virus was inherently more dangerous and provides insight into its transmission among humans.

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.

Old bones unearth new date for giant deer's last stand

Eurasian giant deer were found to have survived until 7,000 years ago, according to a recent study published in Nature. The discovery pushes back the previously believed extinction date for the species by 3,000 years, leaving scientists to question what ultimately led to their demise.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

A watch that's smarter than you?

A smart watch system prototype has been developed at the University of Washington, utilizing RFID tags to provide proactive reminders and track essential items. The system aims to seamlessly integrate technology into daily life, making it more convenient for busy individuals.

Brain circuit may permit scientists to eavesdrop on memory formation

Researchers found that the temporoammonic (TA) projection is crucial for the dialog between the hippocampus and cortex after learning, suggesting a window of vulnerability for memory consolidation. The study opens up new avenues for exploring the role of sleep in memory formation.

Astronomers tackle 400-year-old heavenly mystery

Using the Spitzer Space Telescope, Hubble Space Telescope, and Chandra X-ray Observatory, researchers observed the Kepler's supernova remnant, uncovering a bubble-shaped shroud of gas and dust expanding at 4 million miles per hour. The observations revealed distinct features, including heated interstellar dust and regions of hot gas.

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.

For some TV apparel shoppers, program hosts may help lead to impulse buys

Researchers found that viewers develop close relationships with TV shopping program hosts and are more likely to buy clothing impulsively. The study suggests that these relationships can lead to impulsive purchases, highlighting the need for consumers to be vigilant when making purchasing decisions.

Livermore scientists predict novel melt curve of hydrogen

Researchers propose new experimental measurements to verify existence of maximum melting temperature and transformation of solid molecular hydrogen to metallic liquid. Calculations predict quantum fluid at around 4 million atmospheres of pressure, contradicting intuitive expectations.

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.

Next step to the quantum computer

Researchers at the University of Bonn have successfully built a quantum register using neutral atoms, enabling the storage and manipulation of quantum information. The achievement marks a significant milestone in the development of quantum computing, which could potentially solve complex problems beyond current computer capabilities.

The PSA bounce – Does it have clinical significance?

Researchers found that younger men and those with increased disease recurrence risk experience more frequent PSA bounces, but without additional treatment, their survival rates are comparable to those without a bounce. The large-scale study provides evidence that a PSA bounce may not automatically dictate hormone therapy.

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.

One in 6 chronically ill adults skip Rx drugs due to cost

A study found that one in six chronically ill adults skip medication due to cost, with those paying more out-of-pocket or having no coverage being the most likely. The researchers estimate that this skimping leads to over a million Americans using less medication and 1.6 million missing doses.

New study will tackle three major killer diseases

A new study, ORCADES, will investigate the roles of inheritance and environment in causing three major killer diseases. The study aims to identify genes that predispose individuals to illness and understand the impact of lifestyle factors on disease development.

Is Interleukin-6 the 'holy grail' of exercise mediation?

Research reveals Interleukin-6 has various roles in metabolic gene activation, lipolysis, insulin resistance inhibition and TNF suppression. The cytokine's diverse effects make it a promising therapeutic target for treating obesity, type 2 diabetes and other metabolic disorders.

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.

Biologists ID molecular block for social 'cheaters'

Researchers found that pleiotropy plays a crucial role in preventing 'cheaters' from exploiting their neighbors in slime mold colonies. The study reveals a molecular block to cheating and its link to the essential function of reproduction.

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.

U-M team treating mouth wounds by engineering tissue grafts

A U-M team, led by Dr. Stephen Feinberg, is engineering tissue grafts to treat mouth wounds in patients with diabetes or undergoing chemotherapy. The grafts, made from a combination of mucosal cells and AlloDerm, show promise for smaller donor sites and faster healing times.

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.

Heart failure patients at increased risk during non-cardiac surgery

Heart failure patients face significant risks after major non-cardiac surgery, including high mortality rates and readmissions. The study, analyzing Medicare data, reveals a stark contrast in outcomes between heart failure patients and those with coronary artery disease or no heart disease.

Low dose radiation evades cancer cells' protective 'radar'

Researchers found low-dose radiation killed up to twice as many cells as high-dose, suppressing ATM protein's repair mechanism. The study suggests using viruses to deliver ATM-blocking drugs to cancer cells, which shows promise in killing more cancer cells than traditional radiation.

Study recommends education level be added to CHD treatment guidelines

A prospective cohort study found that patients with less than 12 years of education have a higher risk of dying from coronary heart disease, similar to other traditional risk factors. This suggests incorporating educational level into CHD treatment guidelines may facilitate individualized treatment and reduce socioeconomic disparities.

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.

New biosensor rapidly detects deadly foodborne pathogen

Purdue researchers develop a new optical biosensor that can detect minute quantities of Listeria monocytogenes in less than 24 hours. The sensor is selective enough to recognize only the species monocytogenes and has improved detection capabilities compared to existing commercial test kits.