Bluesky Facebook Reddit Email

Science News Archive August 2012


Page 16 of 29

World's largest tobacco use study: Tobacco control remains major challenge

A massive international survey of tobacco use in 3 billion individuals reveals the ongoing threat of tobacco, with industry manipulation and government complicity hindering effective control. The study emphasizes the need for increased resources to implement tobacco control strategies and counter pro-tobacco forces.

Fluke 87V Industrial Digital Multimeter

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

Report card shows Australia's oceans are changing

The 2012 Marine Climate Change in Australia Report Card reveals climate change is altering the country's marine ecosystems. Key findings indicate warming sea temperatures are influencing species distribution and foraging patterns of seabirds.

ORNL researchers improve soil carbon cycling models

Researchers at ORNL have developed a new carbon cycling model that accounts for microbes' role in releasing CO2 from the ground, improving scientists' understanding of future climate change. The MEND model simulates carbon cycle processes and estimates parameters based on comprehensive literature review.

Organisms cope with environmental uncertainty by guessing the future

In uncertain environments, organisms use molecular processes to make guesses about the future, according to a study. Genetic identical individuals exhibit variation in stress responses due to random decisions, which is beneficial as it reduces metabolic costs without compromising overall benefits.

Apple iPhone 17 Pro

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

Earthworms soak up heavy metal

Researchers found that three earthworm species can remove up to 75% of heavy metals from waste, producing rich compost without accumulating toxins in crops. The worms' digestive system facilitates the separation of metal ions, allowing for safe disposal of organic waste.

NASA is tracking electron beams from the sun

Scientists study electron strahl, a stream of high-energy electrons from the sun, using five years of data. They found that widths vary, with some being much wider than expected, indicating an unknown scattering mechanism.

BPA link to narrowing of the arteries

A study published in PLoS ONE found a significant association between high levels of urinary BPA and severe coronary artery disease. The research team analyzed data from 591 patients and found that those with severe CAD had higher levels of urinary BPA, suggesting a potential link between the chemical and heart disease.

Long-term methadone treatment can affect nerve cells in brain

Recent studies from the Norwegian Institute of Public Health reveal that long-term methadone treatment can affect nerve cells in the brain, leading to changes in cognitive functioning. However, a separate study found no alteration in the formation of new nerve cells, providing some relief for methadone patients.

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.

Amish gut study shows specific bacteria correlated to metabolic syndrome

A recent study of the Old Order Amish population found associations between certain bacterial species and metabolic syndrome, suggesting potential targets for medication, diet or lifestyle changes. The researchers identified specific species but not full gut communities linked to metabolic syndrome traits.

New nanoparticles shrink tumors in mice

MIT researchers have developed RNA-delivering nanoparticles that allow for rapid screening of new drug targets in mice. These nanoparticles target the ID4 protein, shrinking ovarian tumors in their first mouse study. The technology has the potential to relieve a significant bottleneck in cancer-drug development.

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.

Spiteful behavior is 'extreme', according to study

Research reveals that individuals who exhibit spiteful behavior are consistent in their actions over time, imposing maximum harm on others. The study, conducted by Erik Kimbrough and Philipp Reiss, used an artificial auction market scenario to test the frequency and extent of spiteful behavior among 48 student participants.

When it comes to food, chimps only think of themselves

A recent study by Queen Mary University of London found that chimpanzees and bonobos do not possess a sense of fairness like humans. In ultimatum games, the apes consistently chose to steal food without considering their partner's outcomes.

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.

Landslide fatalities are greater than previously thought

A new database reveals that landslides kill ten times more people than previously thought, with 32,300 fatalities documented between 2004 and 2010. The Durham Fatal Landslide Database identifies areas most at risk, enabling policymakers to prioritize action to manage hazards and lessen human population risks.

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.

Nature study highlights many paths to ocean health

The Ocean Health Index assesses the benefits to people of healthy oceans, combining ecological, social, economic, and political conditions. It scores countries globally, ranging from 36 to 86, with densely populated nations like Germany and uninhabited islands leading the way.

Doing the math to fight childhood obesity

Researchers created the Caloric Calculator to help policymakers and others assess the impact of health policy choices on childhood obesity. The tool shows that certain interventions, such as increasing physical activity or restricting screen time, can make a significant difference in reducing obesity rates.

SF State researchers probe asymmetric warfare between earwigs

A new study by San Francisco State University researchers found that asymmetrical forceps in male earwigs provide a competitive advantage, allowing them to dominate smaller males. In contrast, larger males with symmetrical forceps were unable to overcome smaller males with more asymmetric forceps.

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.

Mechanisms of acquired chemoresistance in ovarian cancer identified

The study found that the absence or downregulation of the LRP1B gene is associated with chemoresistance in high-grade serous ovarian cancer. Additionally, tumors that initially responded to chemotherapy but later became resistant evolved further than those that were resistant from the outset.

Good vibrations

Scientists at Berkeley Lab and UC Berkeley have made the first direct observations of distinctly quantum optical effects - amplification and squeezing - in an optomechanical system. The findings point toward low-power quantum optical devices and enhanced detection of gravitational waves.

Breastfeeding may protect infants from HIV transmission

Researchers found that immunologically active components called human milk oligosaccharides (HMO) may protect infants from HIV transmission. HMO act as prebiotics, inhibit pathogens from binding, and exhibit anti-inflammatory activity.

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.

NOAA: Underwater noise decreases whale communications in Stellwagen Bank sanctuary

A NOAA-led study reveals that high levels of background noise from ships have reduced the ability of critically endangered North Atlantic right whales to communicate with each other by about two-thirds. The study found that right whales now find themselves living in a world full of acoustic smog, making it difficult for them to gather ...

Tripping the switches on brain growth to treat depression

Researchers discovered that fibroblast growth factor-2 (FGF2) can increase the number of glial cells, supporting neurons and promoting proper neuronal function. This study presents a fundamental new mechanism for treating depression by targeting glial cell growth.

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.

Mexico achieves universal health coverage in less than a decade

Mexico has made significant progress towards universal health coverage since 2004, with over 50 million uninsured citizens enrolling in public medical insurance. Key healthcare challenges remain, including disparities in state funding and access to rural areas.

Exploring the 2-way linkages between binge drinking and unemployment

A recent study published in Alcoholism: Clinical & Experimental Research found a significant association between binge drinking among women and long-term unemployment. The study analyzed data from 13,031 Swedish residents and found that frequent binge drinking was a stronger predictor of problem drinking for women.

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.

Recreating a slice of the universe

Scientists have invented a new approach to simulate the birth and evolution of galaxies, creating a universe with spiral galaxies like Andromeda. The new software, Arepo, uses a flexible grid geometry to match the motions of gas, stars, dark matter, and dark energy.

Giant galaxy cluster sets record pace for star creation

Astronomers have discovered a massive galaxy cluster, known as the Phoenix Cluster, that is breaking several important cosmic records. Stars are forming in this object at the highest rate ever seen in the middle of a galaxy cluster.

Rating of ocean health shows 'room for improvement'

The US received a slightly above average score of 63 in the Ocean Health Index, which evaluates global oceans in critical aspects. Key findings include high biodiversity scores and strong coastal livelihoods, but poor food provision and pollution concerns.

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.

Be whoever you want to be!

Researchers from Ruhr-Universität Bochum discovered that 80 percent of Single Sign-On (SSO) systems based on SAML have huge vulnerabilities. The team used novel XML Signature Wrapping techniques to circumvent digital signatures, impersonating users and system administrators in 12 affected systems.

Acute stress alters control of gene activity

Researchers at Ruhr-University Bochum found that acute stress increases DNA methylation of the oxytocin receptor gene, leading to excessive receptor production. This change may contribute to the development of chronic diseases such as cancer or depression.

MASER power comes out of the cold

Researchers have developed a solid-state MASER capable of operating at room temperature, eliminating the need for extreme conditions. This breakthrough has significant implications for various fields, including medicine, where it could be used to create more sensitive medical instruments.

Celestron NexStar 8SE Computerized Telescope

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

'CYCLOPS' genes may serve as an Achilles' heel in tumor cells

Scientists at Dana-Farber Cancer Institute have identified a new class of genes, dubbed CYCLOPS, that may serve as an Achilles' heel for many forms of cancer. These genes, which are essential to all cells but have been disrupted in cancer progression, can be targeted with drug molecules to block cancer cell proliferation.

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.

Continuous oral contraceptive pills offer women earlier pain relief

Researchers found that continuous oral contraceptive pills provide earlier relief for moderate to severe menstrual cramps, reducing symptoms by up to six months. Women taking the continuous treatment reported significant pain relief due to uninterrupted treatment, outperforming cyclic treatment in terms of pain relief timing.