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Science News Archive 2011


Page 104 of 311

Prenatal exposure to phthalates linked to decreased mental and motor development

A new study found that prenatal exposure to phthalates is associated with decreased mental and motor development in preschoolers, as well as increased behavioral problems. The researchers measured metabolites of four phthalates in maternal urine and evaluated associations between prenatal exposures and child development at age 3.

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.

Circadian clocks in a blind fish

Researchers found that a species of cavefish, Phreatichthys andruzzii, has an unusual circadian clock that ticks at an extremely long period, unaffected by eye loss. The study suggests that the fish's clocks can be regulated by feeding behaviour, but not light exposure.

Biophysical Society names 5 2012 award recipients

The Biophysical Society has honored five researchers with its top awards for 2012, recognizing their innovative work on membrane proteins, lipid interactions, and single-molecule biology. The awardees include Charles R. Sanders, Huey W. Huang, Lucy R. Forrest, Sunny Xie, and Vijay Pande.

Nanoscale spin waves can replace microwaves

Researchers at the University of Gothenburg have successfully demonstrated nanoscale spin waves, which could replace microwave technology in mobile phones and wireless networks. The study opens up new possibilities for magnonics, a field that uses nanoscale magnetic waves.

Violence remains in top 10 causes of death

The National Center for Injury Prevention and Control and the American Journal of Lifestyle Medicine have developed a special issue to examine violence prevention. The issue highlights the complexities of violence and its deep impact on society, with significant monetary effects estimated at over $70 billion annually.

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.

Stevens researchers pioneer novel technique to make plasmonic nanogap arrays

The Stevens team uses holographic lithography to create uniform arrays of metallic nanostructures, enabling the production of high-quality, large-scale plasmonic nanogap arrays. This breakthrough technique reduces costs and infrastructure, paving the way for applications in miniaturized photonic circuits and ultrasensitive sensing.

Major advance in sleeping sickness drug made by Glasgow scientists

Researchers at the University of Glasgow have created a safer oral version of the sleeping sickness drug melarsoprol, increasing its solubility and releasing it slowly in the gut. The new treatment retained its ability to kill the infection and cured mice infected with the parasite after a seven-day daily dosing schedule.

Apple iPhone 17 Pro

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

Fetal tissue plays pivotal role in formation of insulin-producing cells

Scientists at UCSF discover that fetal tissue, called mesenchyme, secretes chemicals essential for mature beta cell formation. This breakthrough may lead to new ways of addressing Type 1 and Type 2 diabetes, including generating fully functional beta cells from stem cells or increasing beta cell numbers in people with Type 2 diabetes.

Microbes generate electricity while cleaning up nuclear waste

Researchers at Michigan State University have discovered that Geobacter bacteria can generate electricity while cleaning up uranium contamination in soil. The nanowires on the surface of these tiny micro-organisms play a key role in this process, effectively immobilizing uranium and preventing its mobility.

Scientists discover switch that turns white fat brown

Researchers at Ohio State University Medical Center found a biological switch that converts white fat to brown fat, leading to reduced abdominal fat mass and improved metabolism. The discovery uses environmental enrichment to activate a nerve and biochemical pathway that stimulates the transformation.

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.

LGBT health issues not being taught at medical schools, Stanford study finds

A Stanford University School of Medicine study found that only 33.3% of medical schools spent any time on LGBT health-related content during clinical training, despite the unique health risks faced by these patients. Almost all medical students are being taught to ask about sexual history, but the conversation needs to go deeper.

'White-coat effect' elevates greyhounds' blood pressure

A new study has found that retired racing greyhounds' blood pressure increases significantly when taken to a veterinary clinic, but returns to normal at home. The 'white-coat effect' was observed in 22 greyhounds, with systolic pressures averaging 30 points higher in the hospital than at home.

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.

Glucose uptake relies on newly identified protein

A study by Sanford Burnham Prebys reveals that CDP138 is a crucial protein for insulin-stimulated glucose uptake in muscle and fat cells. The researchers found that optimal insulin response requires the correct insertion of GLUT4 into the cellular membrane, with CDP138 playing a key role.

Embargoed news from Annals of Internal Medicine

Multiple lifestyle improvements can reduce the risk of developing diabetes by up to 80%, according to a study of over 100,000 men and women. Additionally, researchers warn that Babesia, a parasitic disease, poses a threat to the nation's blood supply, highlighting the need for donor-screening strategies.

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.

Stomach bacterium damages human DNA

Research reveals that Helicobacter pylori causes DNA breaks in gastric mucosa cells, triggering genetic mutations and cell death. The study's findings suggest that prolonged infections can lead to exhaustion of the cell's repair response, exacerbating gastric carcinogenesis.

Key protein reveals secret of stem cell pluripotency

Researchers identified a protein that helps maintain mouse stem cell pluripotency by activating signal pathways via CC chemokine ligand 2 (CCL2). This finding offers insights into cultivating human iPS/ES cells without feeder cells, reducing the risk of contamination and health risks.

Ancient humans were mixing it up

A team of researchers led by Michael Hammer found evidence of hybridization between modern humans and archaic forms in Africa. Contemporary African populations contain small proportions of genetic material brought in by an archaic population that split from the ancestors of anatomically modern humans about 700,000 years ago.

Fluke 87V Industrial Digital Multimeter

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

Even mild cognitive impairment appears to substantially increase risk for death

A long-term study found that even mild cognitive impairment substantially increases the risk of death, with a strong impact comparable to other chronic diseases. The study, which followed nearly 4,000 patients over 13 years, suggests that recognition of cognitive impairment in primary care practices should be given higher priority.

The size and burden of mental disorders in Europe

A landmark study reveals that mental disorders have become Europe's largest health challenge, affecting 514 million people. The study highlights a significant treatment gap and calls for increased funding and improved care to address the critical challenges facing mental and neurological disorders.

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.

Novel method for increasing antibiotic yields

Researchers have identified a system for targeted amplification of gene clusters in bacteria, which can significantly increase the production of antibiotics. This discovery has the potential to revolutionize the commercial production of antibiotics and may also uncover new, undiscovered antibiotics.

New polymer research could boost probiotics industry

Researchers have developed a special type of biopolymer that protects probiotic bacteria from the acidic stomach environment and delivers them safely to the intestines. This innovation could lead to better quality probiotic food products and increase calcium absorption, benefiting gut health and bone structure.

The search for predictors of risk for PTSD

A study found a link between a serotonin transporter gene variant and PTSD risk, suggesting the gene may predict symptom development after trauma. The researchers also discovered that this gene is associated with depression following life stress, highlighting its potential role in mental health.

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.

Non-epileptic seizures may be misdiagnosed longer in veterans

A new study published in Neurology found that psychogenic non-epileptic seizures may be misdiagnosed for up to five years in veterans compared to one year in civilians. The delay is largely due to limited access to epilepsy monitoring units, which can lead to delayed diagnosis and treatment.

New drugs hope for 'super-bug' yeast and thrush

Researchers have identified the key features in yeast cells that allow them to colonize human tissue, paving the way for new treatments. A new class of medicines and vaccines is being developed to combat drug-resistant fungal infections.

Crowd-sourcing the E. coli O104:H4 outbreak

Crowd-sourcing efforts identified key disease-causing genes in the E. coli O104:H4 strain, which carries a high number of genes involved in disease. The outbreak, affecting over 16 countries, has been linked to contaminated beansprouts and resulted in thousands of cases and multiple deaths.

Harmless soil-dwelling bacteria successfully kill cancer

Researchers have developed a gene for an improved bacterial enzyme that targets tumour cells while leaving healthy tissue unscathed. This therapy uses Clostridium sporogenes to deliver anti-cancer drugs directly to the site of solid tumours.

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.

A whole new light on graphene metamaterials

Scientists at Berkeley Lab have demonstrated a microscale device made of graphene that can tune its response to light at terahertz frequencies with exquisite precision. The device uses an array of graphene ribbons to control collective oscillations of electrons, or plasmons, which absorb different frequencies of light.

Potential vaccine readies immune system to kill tuberculosis in mice

A potential vaccine against tuberculosis has been found to completely eliminate the disease-causing bacteria from infected tissues in mice. The vaccine uses a modified strain of bacteria that triggers a specific immune response, providing longer protection and bactericidal immunity.

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.

Fast, cheap, and accurate: Detecting CO2 with a fluorescent twist

Researchers at Kyoto University have designed an inexpensive new material capable of quick and accurate detection of carbon dioxide gas. The compound gives off variable degrees of visible light in correspondence with different gas concentrations, enabling the development of easy-to-use monitoring devices.

Scripps Research scientists produce first stem cells from endangered species

Researchers at Scripps Research Institute have successfully produced stem cells from two endangered species, a drill and the northern white rhinoceros. These cells could enable lifesaving medical therapies or offer the potential to preserve or expand genetic diversity by offering new reproduction possibilities.

Yale researchers solve mystery of disappearing bird digit

Researchers have solved the debate on which bird digits exist, finding that precursor cells in pb can form a thumb despite pa cells dying off during development. The study, published in Nature, reveals new insights into embryonic development and vertebrate evolution.

TB vaccine candidate shows early promise

A new TB vaccine candidate has shown promising results in animal studies, inducing a robust T-cell response that could protect against the disease. The vaccine, developed using a closely related species of bacteria, proved both potent and safe, with vaccinated mice living up to 135 days versus 54 days for control mice.

Meta Quest 3 512GB

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

The emotional brain in youth

Bipolar disorder affects 3% of the general population, with significant functional limitations and high rates of psychiatric hospitalization in children and adolescents. The diagnostic criteria for bipolar I disorder in adolescents include mania, euphoria, and irritability, while mixed episodes are common in this age group.

World's smallest electric motor made from a single molecule

Chemists at Tufts University have developed a single molecule electric motor, measuring 1 nanometer across and controlled by electricity. The motor's operation depends on temperatures around 5 Kelvin, which could lead to real-world applications in sensing devices and medical equipment.

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.

Scripps Research scientists establish new class of anti-diabetic compound

Researchers have discovered a new class of anti-diabetic compounds that target a unique molecular switch, potentially offering fewer side effects than existing drugs. The new compound, SR1664, blocks Cdk5's action on PPARG and shows improved blood sugar levels without weight gain or fluid retention.

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.