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Science News for June 21, 2004


Cincinnati Children's researchers identify link between heart disease and neurodegenerative diseases

Researchers at Cincinnati Children's Hospital Medical Center have discovered a link between heart disease and neurodegenerative diseases. The study found that toxic protein clusters called beta-amyloids, associated with Alzheimer's disease, are also present in the hearts of patients with heart failure.

SourceCincinnati Children's Hospital Medical Center·JournalProceedings of the National Academy of Sciences·DateJun 21, 2004

Partial breast radiation procedure may benefit cancer patients

A new partial breast radiation procedure using balloon brachytherapy has shown promising results in reducing treatment time and improving cosmetic outcomes. The study found that women treated with this method experienced quick recovery, good cosmetic results, and no evidence of cancer recurrence during a 1-2 year follow-up.

SourceRush University Medical Center·JournalArchives of Surgery·DateJun 21, 2004
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.

Scientists discover two new interstellar molecules

Researchers discovered two new aldehyde molecules, propanal and propenal, in an interstellar cloud near the Milky Way Galaxy. These findings provide insights into the formation chemistry of complex molecules in space.

SourceNational Radio Astronomy Observatory·JournalThe Astrophysical Journal Letters·DateJun 21, 2004

Targeting cancer

Researchers developed a new cancer treatment combining radioimmunotherapy with conventional chemotherapy, achieving complete remission in 72% of patients with follicular non-Hodgkin's lymphoma. The approach may improve treatment outcomes by targeting remaining cancer cells after chemotherapy.

SourceSociety of Nuclear Medicine and Molecular Imaging·DateJun 21, 2004

After amnesia, brain lesions appear

A recent study using diffusion weighted imaging found small brain lesions appearing on MRI scans of amnesiac patients within hours and days of onset. The lesions were all located in the hippocampus, a key area for memory functions, suggesting a possible cause for transient global amnesia.

SourceAmerican Academy of Neurology·JournalNeurology·DateJun 21, 2004
Apple iPhone 17 Pro

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

Tracking Alzheimer's

Researchers use 18F-FDDNP-PET to measure tangles and plaques in brain, providing valuable information on disease status. The technique accurately separates AD patients from control subjects, offering opportunities for early diagnosis and monitoring treatment effects.

SourceSociety of Nuclear Medicine and Molecular Imaging·DateJun 21, 2004

Detecting infection

Researchers in Japan used PET to differentiate between infected and non-infected vascular grafts, confirming its accuracy in diagnosing graft infections. The study's findings suggest that PET studies can safely and specifically identify patients who need treatment for graft infection.

SourceSociety of Nuclear Medicine and Molecular Imaging·DateJun 21, 2004
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.

Probing the world of alien abduction stories

A study published in Psychological Science found that people who claim to have been abducted by aliens show strong physiological responses when recalling their experiences, similar to those evoked by genuinely traumatic memories. The researchers suggest that a person's reaction to a memory is not indicative of its authenticity.

SourceAssociation for Psychological Science·JournalPsychological Science·DateJun 21, 2004

Environmental toxins can cause a model of Parkinson's disease in rats

Researchers have found that proteasome inhibitors can cause a model of Parkinson's disease in rats, mirroring symptoms such as slowness of movement and tremors. The study suggests that environmental factors, including exposure to toxins, may contribute to the development of Parkinson's.

SourceWiley·JournalAnnals of Neurology·DateJun 21, 2004

CU-Boulder satellite instrument to provide new details on ozone

The CU-Boulder satellite's HIRDLS instrument will provide a clearer picture of the ozone layer's recovery and greenhouse gas distribution. With finer horizontal resolution and increased sensitivity, the instrument is expected to produce valuable data on climate change.

SourceUniversity of Colorado at Boulder·DateJun 21, 2004

NASA research helps highlight lightning safety awareness week

Researchers use the North Alabama Lightning Mapping Array to monitor storm weakening and strengthening, improving severe weather detection. NASA's satellite technology provides near real-time data on severe weather and lightning strikes worldwide, aiming to reduce false alarms and improve forecasting accuracy.

SourceNASA/Goddard Space Flight Center·DateJun 21, 2004
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Stem cells commit to a future of fat with one signal

Researchers at Johns Hopkins Medicine discovered that adding a single protein, BMP4, induced mouse stem cells to become fat cells. The study suggests that a similar signal is likely involved in humans, too, paving the way for new treatments for obesity and related diseases.

SourceJohns Hopkins Medicine·JournalProceedings of the National Academy of Sciences·DateJun 21, 2004

Link discovered between Earth's ocean currents and Jupiter's bands

Researchers have found stable alternating bands of current on Earth that resemble those on Jupiter, both resulting from underlying turbulent flows. This similarity may hold clues to understanding planetary and oceanic circulations, with implications for climate research and future space observational studies.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateJun 21, 2004

Scientists discover new role for tiny RNA in plant development

Researchers at Rice University and MIT found that microRNA miR164 plays a crucial role in regulating gene expression and controlling basic organ development in plants. The study reveals abnormal development of leaves and flowers when miR164 regulation is absent or overexpressed.

SourceRice University·JournalCurrent Biology·DateJun 21, 2004
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.

Mouse shows how Rituximab removes human B cells

Researchers used mouse models to study how Rituximab removes human B cells, revealing that antibodies allow recognition by macrophages, which carry antibody receptors. This discovery may lead to the development of better therapies for lymphoma and autoimmune diseases like rheumatoid arthritis.

SourceJournal of Experimental Medicine·JournalJournal of Experimental Medicine·DateJun 21, 2004

Virtual reality significantly reduces pain-related brain activity

Researchers found that virtual reality significantly reduces pain-related brain activity, with drops of up to 97%. The study used specialized magnetic resonance imaging to track brain activity and showed a significant change in conscious perception of pain when virtual reality was used.

SourceUniversity of Washington·JournalNeuroreport·DateJun 21, 2004

Half of head and neck cancer patients disabled by treatment

A study published in Archives of Otolaryngology – Head and Neck Surgery found that 52% of employed head and neck cancer patients reported work-related disability after treatment. Chemotherapy, neck surgery, and pain were linked to increased disability risk.

SourceMichigan Medicine - University of Michigan·JournalArchives of Otolaryngology - Head and Neck Surgery·DateJun 21, 2004

Two scans are better than one

A new study using combined PET/CT imaging has effectively diagnosed diabetes-related osteomyelitis of the foot. The technique provides a precise location of infection, enabling easier treatment strategy definition and improved patient outcomes.

SourceSociety of Nuclear Medicine and Molecular Imaging·DateJun 21, 2004
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.

Physicists reveal first 'nanoflowers'

Researchers at Cambridge University have successfully grown nanometer-scale wires into flower-like structures, which can be used as water-repellent coatings and a base for new solar cells. The unique nanostructures are created by controlling the growth process of silicon-carbon materials using liquid metals.

SourceIOP Publishing·JournalNanotechnology·DateJun 21, 2004

One-stop shopping

A new technique using hybrid scanners combines PET and CT to diagnose coronary artery disease, providing a precise picture of the heart's function. This method is more accurate than traditional diagnostic methods and may relieve patients from invasive procedures.

SourceSociety of Nuclear Medicine and Molecular Imaging·DateJun 21, 2004

Japanese researchers develop novel method of introducing transgenes into animals

A team of Japanese researchers has developed a novel method for introducing transgenes into animals by injecting retroviruses into immature male mouse testes. The technique resulted in high fertility rates and stable transgene transmission, enabling the production of genetically modified offspring from a single founder male.

SourceSociety for the Study of Reproduction·JournalBiology of Reproduction·DateJun 21, 2004

Stanford researchers eye new chip's potential as an artificial retina

Researchers at Stanford have developed a chip that uses chemicals to stimulate neurons, offering new possibilities for treating age-related macular degeneration. The device has the potential to deliver small amounts of drugs precisely where they're needed and enable real-time chemical analysis of living tissues.

SourceStanford Medicine·JournalProceedings of the National Academy of Sciences·DateJun 21, 2004
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.

New technique images gene expression in mice

Researchers used a custom-built small animal imaging system to demonstrate gene expression in mice with cystic fibrosis. The results show promise for novel gene delivery methods and potential treatments for the debilitating disease.

SourceSociety of Nuclear Medicine and Molecular Imaging·DateJun 21, 2004

Tip sheet for the June 22, 2004 Neurology journal

Researchers found that seizure-alerting dogs exhibited distinctive behaviors to anticipate seizures, with licking and protective actions being common. The study also highlights the importance of education and research in improving patient care through organizations like the American Academy of Neurology.

SourceAmerican Academy of Neurology·JournalNeurology·DateJun 21, 2004

New test may provide answers for women with chest pain

Researchers found that blockages in smaller arteries, which can't be spotted on standard tests, might be causing chest pain in women. Women who underwent a new imaging scan showed abnormal levels of phosphates, indicating their heart tissue wasn't getting enough blood.

SourceUniversity of Southern California·DateJun 21, 2004

Saharan people are falsely accused of terrorists acts

The ESRC Social Science Week conference explores the Sahara's past, present, and future, highlighting the impact of Western and local military intelligence services on indigenous peoples. Jeremy Keenan claims increasing evidence shows military agencies fabricate terrorist incidents, putting Tuareg lives at risk.

SourceEconomic & Social Research Council·DateJun 21, 2004
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.

Flies may taste bitter better, first map of insect 'tongue' reveals

Researchers at Duke University Medical Center found that flies have distinct combinations of bitter-sensitive nerve cells on their tongue, allowing them to discern among different bitter tastes. This unique ability might enable flies to select the best food item among multiple suboptimal choices.

SourceDuke University Medical Center·JournalCurrent Biology·DateJun 21, 2004

Brain development and puberty may be key factors in learning disorders

A new hypothesis from Northwestern University researchers suggests that brain development and puberty could be key factors in learning disorders. The study found that individuals with learning problems develop more slowly than those without, and their brains stop developing around the time of puberty's onset.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateJun 21, 2004

Young adults' stress reaction predicts middle-age blood pressure risk

A study of 5,115 young adults found that those who react to psychological stress with spikes in blood pressure are more likely to develop high blood pressure in their 40s. The research suggests that assessing blood pressure changes in response to stress may be a useful tool for determining future risk.

SourceAmerican Heart Association·DateJun 21, 2004
Meta Quest 3 512GB

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

New designed paclitaxel analog kills more cancer cells than natural product

A team of researchers has successfully enhanced the structure of paclitaxel, a widely used anticancer drug, to make it more effective against cancer cells. The new design, validated by computer modeling and experiments, results in an analog that is 20 times more active than natural paclitaxel in one assay.

SourceVirginia Tech·JournalProceedings of the National Academy of Sciences·DateJun 21, 2004

How left-handed amino acids got ahead

Researchers at Imperial College London have shown that an amino acid can amplify the concentration of one particular chiral form, a process known as autocatalysis. This discovery may offer insights into the evolution of biological homochirality and could provide a model for how life began.

SourceImperial College London·JournalAngewandte Chemie·DateJun 21, 2004
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.

Echinacea may have no benefit in treating common cold

A study published by Marshfield Clinic found that echinacea had no effect on relieving common cold symptoms. The study involved 128 participants who took either echinacea or a placebo, with no significant difference in symptom relief observed.

SourceMarshfield Clinic·JournalArchives of Internal Medicine·DateJun 21, 2004

Oncological crystal ball

A study using FMISO-PET scans found that high uptake of the tracer correlates with a greater risk of tumor recurrence, while low uptake is associated with a longer survival rate. The technique may enable more precise prediction of therapeutic outcomes and improved patient treatment.

SourceSociety of Nuclear Medicine and Molecular Imaging·DateJun 21, 2004

Lifesaving potential of mammograms lost due to underuse

A study found that only 6% of women received ten mammograms, and disparities in usage were seen among Hispanic, African-American, and Asian women as well as those from lower economic status. Regular mammograms significantly reduce breast cancer death risk, highlighting the need for improved screening adherence.

SourceWiley·JournalCancer·DateJun 21, 2004

Five years on - no common understanding of 'institutional racism' among police

A study by Professor Simon Holdaway found that chief officers and black police association Chairs have different ideas on 'institutional racism', with a focus on personal experiences of racism. Most minority ethnic officers agree their constabulary is institutionally racist, but the causes and effects differ between groups.

SourceEconomic & Social Research Council·DateJun 21, 2004

Newly grown kidneys can sustain life in rats

Scientists have grown functional kidneys in rats using embryonic tissue transplants, demonstrating their ability to filter blood and excrete waste. The research marks a critical step towards developing animal-to-human transplants to address chronic organ donation shortages.

SourceWashU Medicine·JournalOrganogenesis·DateJun 21, 2004
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.