Bluesky Facebook Reddit Email

Science News Archive May 2008


Page 13 of 22

Monarch butterflies help explain why parasites harm hosts

Researchers found that female monarchs with intermediate parasite loads were long-lived and laid many eggs, while those with light loads also thrived but had fewer infected offspring. The study provides evidence for the 'trade-off hypothesis' in a natural system.

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 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.

NC State astrophysicist discovers youngest known supernova in Milky Way

Dr. Stephen Reynolds and his team discovered the youngest known supernova remnant G1.9+0.3, estimated to be around 100-140 years old, using Chandra X-Ray Observatory images from 2007 and 1985. The discovery suggests that a supernova explosion occurred relatively recently, providing insights into the life cycle of galaxies.

Scientists decipher fruit tree genome for the first time

Researchers have successfully sequenced the papaya genome, revealing a complex evolutionary history and providing valuable insights into fruit tree biology. The study also identified genetic mechanisms underlying arboreal development and seed dispersal, with potential implications for other crops in the Brassicales order.

Scientists aim to unlock deep-sea 'secrets' of Earth's crust

Scientists from Durham University are exploring the Mid-Atlantic Ridge tectonic plate boundary using robots to map individual volcanoes and collect rock samples. The research aims to shed light on the timescales behind Earth's crust formation and related tectonic plates.

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.

Studies confirm greenhouse mechanisms even further into past

Scientists have confirmed the link between greenhouse gas levels and global warming with new analysis of Antarctic ice cores extending back 800,000 years. The study reveals that current concentrations of carbon dioxide and methane are unprecedented in the past.

Premier issue of Environmental Justice just published

The premier issue of Environmental Justice explores adverse environmental burdens on marginalized populations, legal challenges, and activism. The journal aims to provide a balanced assessment of environmental inequalities locally, nationally, and globally.

Apple iPhone 17 Pro

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

Aprotinin associated with increased risk of death

A Canadian clinical trial has found that aprotinin increases the relative risk of death by 50% compared to other antifibrinolytics used to prevent blood loss during heart surgery. The study involved over 2,000 patients and showed that tranexamic acid or aminocaproic acid are safer choices for cardiac surgical patients.

Genetic variation linked to sugary food

A genetic variation in the GLUT2 gene is associated with higher intakes of sugars in two distinct populations. The study found that individuals with the variation consistently consumed more sugars, regardless of age or sex.

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 role found for a cardiac progenitor population

Researchers at the University of California - San Diego have found that parent cells involved in embryonic development can generate three important types of cells with potential for cardiac repair. The study suggests that restoring the ability of adult epicardial cells to generate cardiomyocytes may enhance their future potential for c...

New efficiency record for solar cells

Researchers at Eindhoven University of Technology and Fraunhofer Institute achieved an unprecedented 6% improvement in solar cell efficiency by depositing a thin layer of aluminum oxide on the front of a silicon solar cell. This breakthrough brings the industrial application of high-efficiency solar cells closer, with costs expected to...

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.

Racism not an issue in firing of NBA coaches

A new study by the University of Michigan found no evidence of racial bias in the firing of NBA coaches. The research showed that African-American coaches were fired at the same rate as their white counterparts, and that technical efficiency had no difference between the two groups.

Middle class relaxing with marijuana

A University of Alberta study found that middle-class Canadians use marijuana for relaxation and focus, challenging criminalization. The study suggests decriminalization and legalization could reduce crime and generate revenue.

Research sheds new light on heroin addiction

A study by researchers at the Howard Florey Institute in Melbourne found that manipulating the adenosine A2A receptor may contribute to heroin addiction. Mice without this receptor showed reduced desire for morphine and did not develop tolerance or conditioned place preference, suggesting a role in regulating opiate use and abuse.

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.

AGU Journal Highlights -- May 14, 2008

Researchers find global sea level acceleration may have started in the 18th century, causing a 6 cm rise during the 19th century and 19 cm during the 20th century. The US east coast also subsided since the Eocene, with wind-launched ocean eddies triggering formation and propagation in the South China Sea.

Female sex offenders often have mental problems

A Swedish study found that female sex offenders are more likely to suffer from mental illness or drug abuse than male perpetrators. The research compared 93 convicted women with over 20,000 normal women and 13,000 women convicted of non-sexual crimes.

Restoring fish populations leads to tough choice for Great Lakes Gulls

A new report by the Ecological Society of America finds that restoring fish populations in the Great Lakes leads to a shift in herring gull diet, with birds opting for terrestrial food instead. This change may have severe consequences for other species, such as terns, which are more closely tied to aquatic environments.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Discovery of most recent supernova in our galaxy

Astronomers have tracked a recent supernova explosion in the Milky Way galaxy using NASA's Chandra X-ray Observatory and NRAO's VLA. The discovery confirms the supernova is about 140 years old, making it the youngest recorded in the galaxy.

New treatment for hepatitis C

Researchers at the University of Oklahoma found that Fluvastatin significantly lowered viral load for up to six weeks in patients with chronic hepatitis C. The study aims to improve the cure rate by combining Fluvastatin with standard treatment.

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.

Most effective initial therapy for HIV-1 infection identified

A study published in New England Journal of Medicine identified efavirenz with NRTI as the most effective initial therapy for HIV-1 infection, achieving high viral suppression rates. The finding offers a valuable alternative to traditional triple-drug regimens and could lead to simpler treatment regimens.

Warming climate is changing life on global scale, says new study

A new analysis combining decades of data from all continents shows that human-caused warming is changing life on a global scale. The study found that physical and biological systems are being affected, including changes in tree leafing, bird migrations, and ocean plankton and fish communities.

Mixed results for late-talking toddlers

New research from the LOOKING at Language project reveals that late-talking toddlers are more likely to continue struggling with language development, but a significant proportion will catch up. By seven years old, around 80% of late talkers have made progress and there is no evidence boys are at greater risk than girls.

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.

Fat chance: Brown vs. white fat cell specification

Researchers discover how PRDM16 regulates fat cells to favor brown adipose tissue (BAT) formation, which can help counteract obesity and diabetes. The findings provide insight into the molecular mechanisms behind BAT specification and hold promise for therapeutic treatments.

Rosiglitazone prevents hepatic fibrosis?

Rosiglitazone, an antidiabetic drug, has been found to prevent hepatic fibrosis due to Schistosoma japonicum infection. PPARgamma ligand is thought to play a key role in this process.

Monkey studies important for brain science

Studies with non-human primates have significantly contributed to understanding the human brain, particularly in Alzheimer's and Parkinson's diseases. The unique similarities between human and monkey brains enable researchers to study complex behaviors and develop new treatments.

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.

OSU technologies funded for development

Four faculty research projects at Oklahoma State University have been awarded funding from the Technology Business Assessment Group, totaling over $102,000. The projects focus on developing innovative products and technologies, including a 3D human tissue model, fiber optic sensor, data protection software, and recycled rubber composites.

Physicists demonstrate how information can escape from black holes

Researchers at Penn State have discovered a mechanism that allows information to be recovered from black holes, contrary to Stephen Hawking's previous assertion. By expanding space-time beyond its assumed size, the team finds room for information to reappear in the distant future.

Researchers fine-tune clot-busting treatment for bleeding in brain

A new treatment using tissue plasminogen activator (tPA) has dramatically decreased death and disability in patients with intracerebral hemorrhage (ICH), a condition where blood clots inside the brain. The treatment, which clears trapped blood from the brain, showed an 80% survival rate for patients.

'Cool' new treatment for hot flashes in breast cancer survivors

A new study shows that an anesthetic injection into nerves in the neck can significantly reduce the frequency and severity of hot flashes and night awakenings in breast cancer survivors. The treatment, called a stellate ganglion block, was shown to provide lasting relief for most patients.

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.

Deep sea methane scavengers captured

Researchers successfully isolated and sequenced the genome of syntrophic microorganisms that oxidize methane anaerobically. They discovered new bacterial partners and found genes responsible for nitrogen fixation, which may enhance their metabolic versatility. These findings provide insights into the global carbon cycle and climate.

A promising target of anti-fibrotic therapy: herbal compound 861

Herbal compound 861 delays and reverses hepatic fibrosis due to HBV infection through the inactivation of LX-2 cells. The TGF beta1/ALK1/Smad1 signaling pathway is activated by TGF-beta1 and inhibited by Cpd861, making it a potential target for anti-fibrotic therapy

Gastrin and somatostatin relate with large intestine carcinoma?

Recent research suggests that gastrin inhibits cell apoptosis in colorectal cancer by up-regulating FasL expression, allowing cancer cells to evade immune surveillance. Somatostatin promotes cell apoptosis in large intestine cancer by increasing caspase-3 levels and activating death receptor signaling pathways.

Distinct treatment needed: Tourette's and obsessive-compulsive disorder

Researchers found a clear dissociation between OCD and Tourette's dimensions in terms of brain activity, working memory, and attention. This distinction could lead to improved diagnostic and treatment approaches for both conditions by prioritizing the identification and addressement of OCD symptoms.

Common drug halts lung damage in emphysema

Researchers have found that doxycycline, commonly used to treat acne, can prevent tissue damage caused by emphysema. The study suggests that the antibiotic boosts the body's ability to protect against lung damage by increasing VEGF levels.

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.

Nanotechnology in reverse uses cell to calibrate tools

Researchers at UC Davis use individual red blood cells as accurate force transducers to calibrate atomic force microscopes. This technique allows for precise measurement of forces between molecules and cells, advancing our understanding of cell biology.

NASA study links Earth impacts to human-caused climate change

A new NASA-led study finds human-caused climate change has made significant impacts on Earth's natural systems, including permafrost thawing and plant blooming earlier across Europe. The study concludes that human-caused warming is resulting in a broad range of impacts across the globe.

Video games and violence

A recent study by Patrick Kierkegaard suggests that there is limited scientific evidence linking video games to real-world aggression. In fact, research shows that violent video games have not led to an increase in violence but rather may have reduced it. The study's findings contradict previous work on the topic and highlight the need...