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Science News Archive January 2007 - Page 11


Page 11 of 13

Genetic variation may reduce Alzheimer's risk

Researchers discovered a genetic variation that enables adults to express higher levels of fetal hemoglobin, reducing their risk of Alzheimer's disease. The study also found that beta amyloid peptide has an affinity for adult hemoglobin, which may enhance its ability to wreak havoc in the brain.

SourceMedical College of Georgia at Augusta University·DateJan 8, 2007

New stars shed light on the past

Astronomers have discovered a population of small newborn stars in N90, a fascinating star-forming region located in the Small Magellanic Cloud. The high-energy radiation from these young stars is eroding the surrounding nebula, revealing the early stages of star formation processes.

SourceESA/Hubble Information Centre·DateJan 8, 2007
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.

Turning green gunk to gold, anti-cancer gold

Researchers developed an efficient synthetic route to produce cryptophycin 1, a promising anti-cancer drug from blue-green algae, and identified a key enzyme that introduces the epoxide group in the desired beta configuration.

SourceUniversity of Michigan·JournalACS Chemical Biology·DateJan 8, 2007
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.

Genetics and lifestyle interact to increase risk for age-related blindness

A recent study published in Archives of Ophthalmology found that genetic predisposition and exposure to modifiable risk factors significantly multiply the risk for age-related macular degeneration (AMD). Individuals with two mutated alleles of genes CFH and LOC387715 were 50 times more likely to develop AMD.

SourceJAMA Network·JournalArchives of Ophthalmology·DateJan 8, 2007

Annual plants may cope with global warming better than long-living species

Researchers discovered that quick-growing plants like weeds can adapt in just a few years to climate change, whereas slower-growing plants struggle. This finding suggests that annual plants may thrive better in warmer conditions, leading to potential changes in Earth's plant life.

SourceUniversity of California - Irvine·JournalProceedings of the National Academy of Sciences·DateJan 8, 2007

Homing nanoparticles pack multiple assault on tumors

Researchers developed nanoparticles that home in on tumors by mimicking the clotting action of platelets, blocking up to 20% of tumor blood vessels. This system enables self-amplification of tumor targeting, leading to enhanced imaging and therapeutic delivery.

SourceSanford Burnham Prebys·JournalProceedings of the National Academy of Sciences·DateJan 8, 2007
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.

BC physicists transmit visible light through miniature cable

Physicists at Boston College have successfully transmitted visible light through a cable hundreds of times smaller than a human hair, defying a key principle in optics. This breakthrough could lead to the development of high-efficiency solar cells and microscopic light-based switching devices.

SourceBoston College·JournalApplied Physics Letters·DateJan 8, 2007

Caregiving for those at end of life rewarding despite challenges, survey finds

A survey found that more than two-thirds of informal caregivers for disabled older adults at the end of life reported feeling rewarded, despite providing over 40 hours of care per week. These caregivers often experienced emotional, physical, and financial strains but also derived benefits from the person they were caring for.

SourceJAMA Network·JournalArchives of Internal Medicine·DateJan 8, 2007

Higher folate levels linked to reduced risk for Alzheimer's disease

A study found that individuals with higher folate levels through diet and supplements had a lower risk of developing Alzheimer's disease. The research, published in Archives of Neurology, suggests that elevated homocysteine levels may increase the risk for Alzheimer's disease.

SourceJAMA Network·JournalArchives of Neurology·DateJan 8, 2007

Quasar light variability linked to black hole mass

Researchers found that quasars with large black holes are more variable than those with low black hole masses, changing brightness by up to 15% over a year. The study's findings provide new insights into the physics behind quasar variability and could help astronomers decipher underlying mechanisms.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateJan 8, 2007
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.

Hybrid structures combine strengths of carbon nanotubes and nanowires

Researchers at Rensselaer Polytechnic Institute have created new hybrid structures combining the strengths of carbon nanotubes and metal nanowires. This technique allows precise attachment of carbon nanotubes to individual metal pins, offering a practical solution for using carbon nanotubes in computer chips.

SourceRensselaer Polytechnic Institute·JournalApplied Physics Letters·DateJan 8, 2007

USC study in Nature Genetics supports a stem cell origin of cancer

A USC study in Nature Genetics finds genes silenced by Polycomb proteins are more likely to be methylated in cancers, supporting a stem cell origin of cancer. The research also shows that epigenetic alterations precede genetic events in cancer development.

SourceUniversity of Southern California·JournalNature Genetics·DateJan 8, 2007
Apple iPhone 17 Pro

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

Genetically altered cells may help artificial skin fight infection

Researchers at the University of Cincinnati have created genetically modified skin cells that produce higher levels of human beta defensin 4 (HBD4), which killed more bacteria than normal skin cells. These cells may help combat infections in burn patients and reduce dependence on topical antibiotics.

SourceUniversity of Cincinnati·JournalJournal of Burn Care & Research·DateJan 8, 2007

Researchers warn milk eliminates cardiovascular health benefits of tea

Researchers found that adding milk to tea completely blunts its cardiovascular benefits, which can lead to a higher risk of heart disease. The study suggests that tea drinkers who add milk regularly should consider omitting it some of the time to maximize their health benefits.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·DateJan 8, 2007

Women with migraines more likely to have depression

A study of 1032 women with chronic headaches found that those with migraines were four times more likely to report major depression symptoms. Chronic headache sufferers also experienced high levels of pain-related symptoms, including low energy and trouble sleeping.

SourceAmerican Academy of Neurology·JournalNeurology·DateJan 8, 2007
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.

There's no scent like home

New research from MBL reveals that some fish larvae can discriminate odors in ocean currents and use scent to return to their birthplace. This homing behavior could support population isolation and genetic divergence, leading to the formation of new species. The study suggests that smell plays a crucial role in guiding larvae back to t...

SourceMarine Biological Laboratory·JournalProceedings of the National Academy of Sciences·DateJan 8, 2007

Healthy eating is at a supermarket near you

A University of Bristol study found that grocery store tours are an effective way to increase nutritional knowledge and promote healthy eating habits. The tours, led by a nutritionist or dietician, provided evidence-based dietary advice and encouraged participants to make changes to their diet.

SourceUniversity of Bristol·JournalACSMʼs Health & Fitness Journal·DateJan 8, 2007
Celestron NexStar 8SE Computerized Telescope

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

Published study shows benefits of Diachrome for people with type 2 diabetes

A recent study published in Diabetes Technology and Therapeutics demonstrated that Diachrome safely improves blood glucose levels and cholesterol metabolism in people with type 2 diabetes. The 30-day study showed a significantly greater reduction in glucose levels, suggesting potential benefits for improved blood sugar control.

SourceNutrition 21·JournalDiabetes Technology & Therapeutics·DateJan 8, 2007

NHLBI media availability: Overweight girls at risk for cardiovascular disease

A recent NHLBI Growth and Health Study found that girls who were overweight at age 9 were more than 1.6 times likely to become overweight during ages 9 to 12 years compared to later adolescence. These girls also had elevated blood pressure and cholesterol levels, increasing their risk for obesity in young adulthood.

SourceNIH/National Heart, Lung and Blood Institute·JournalThe Journal of Pediatrics·DateJan 8, 2007

Availability may influence cancer treatment decisions

A new study published in CANCER journal reveals that patients with pancreatic cancer are more likely to receive radiotherapy if the treating hospital has it available, while rectal cancer patients have equal access regardless of hospital radiation capacity. The findings suggest adjuvant radiotherapy for pancreatic cancer may be over-ut...

SourceWiley·JournalCancer·DateJan 8, 2007
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.

Scientists discover how body fights to control spread of cancer

Researchers found that galectin-3 breaks down protective shield MUC1, allowing cancer cells to attach to blood vessel wall and form tumours at secondary sites. The study has significant implications for future drug developments for cancer treatment.

SourceUniversity of Liverpool·JournalJournal of Biological Chemistry·DateJan 8, 2007
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.

'Red tide toxins' leave beachgoers breathless

Researchers found that Florida red tide toxins can impact respiratory function and increase respiratory symptoms in patients with asthma. The study suggests that coastal residents may react less to the toxins due to prior environmental exposure.

SourceAmerican College of Chest Physicians·DateJan 8, 2007

High hospital house staff workload associated with worse patient outcomes

A heavier workload for hospital residents on patient admission days was associated with increased length of hospital stay, total costs, and risk of inpatient death. The study found that reducing team admission loads and maximizing availability of other resources could help minimize these outcomes.

SourceJAMA Network·JournalArchives of Internal Medicine·DateJan 8, 2007

Antibody therapy prevents type 1 diabetes in mice

Researchers at University of Pittsburgh successfully prevented type 1 diabetes in mice treated with an anti-CD137 antibody. The therapy significantly suppressed the development of diabetes, but did not appear to cure it.

SourceUniversity of Pittsburgh Medical Center·JournalDiabetes·DateJan 8, 2007
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.

Scientists discover new, readily available source of stem cells

Researchers have isolated broad potential stem cells from amniotic fluid, which can give rise to various specialized cell types. These cells, named amniotic fluid-derived stem (AFS) cells, may represent an intermediate stage between embryonic and adult stem cells.

SourceAtrium Health Wake Forest Baptist·JournalNature Biotechnology·DateJan 7, 2007

Astronomers detect black hole in tiny 'dwarf' galaxy

Scientists have discovered a supermassive black hole at the heart of a dwarf elliptical galaxy, VCC128, located 54 million light years away. The finding is significant as it shows that even small galaxies can host massive black holes, challenging previous assumptions.

SourceUniversity of Washington·DateJan 7, 2007

First 3-D map of the universe's dark matter scaffolding

Astronomers have created the first 3D map of the universe's dark matter distribution, revealing a web-like structure that confirms conventional theories on how galaxies formed. The map was derived from the Cosmic Evolution Survey and offers unprecedented detail on the large-scale filamentary structure of dark matter.

SourceESA/Hubble Information Centre·JournalNature·DateJan 7, 2007

Astronomers discover an enormous halo of red giant stars around Andromeda

Astronomers have discovered an enormous halo of red giant stars surrounding the Andromeda galaxy, extending beyond its visible disk and indicating that it may be five times larger than previously believed. The discovery is based on observations of over 500,000 light-years of starry space using advanced telescopes.

SourceUniversity of California - Santa Cruz·DateJan 7, 2007
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.

New HIV test may predict drug resistance

Researchers developed a sensitive test for identifying drug-resistant strains of HIV in patients' bloodstreams. The test detects genetic changes that predict potential drug resistance, enabling personalized treatment guidance.

SourceDuke University Medical Center·JournalNature Methods·DateJan 7, 2007

Prizes presented at the Joint Mathematics Meetings

The American Mathematical Society has presented several prestigious prizes at the Joint Mathematics Meetings, recognizing significant achievements in mathematical exposition, research, and lifetime achievement. Notable winners include David Mumford, Karen Uhlenbeck, and Henry McKean.

SourceAmerican Mathematical Society·DateJan 6, 2007

Getting to the bottom of memory

A team of researchers investigated the molecular basis of memory in living mice, identifying a critical molecule involved in learning. The study revealed that long-term potentiation (LTP) and learning share a common molecular basis, with the TrkB receptor playing a central role.

SourceEuropean Molecular Biology Laboratory·JournalLearning & Memory·DateJan 5, 2007
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.

New sucker-footed bat discovered in Madagascar

Scientists have discovered a new species of bat, Myzopoda schliemanni, in Madagascar with large flat adhesive organs on its thumbs and hind feet. The new species is found only in the dry western forests of Madagascar, and research suggests it has adapted well to degraded environments.

SourceField Museum·JournalMammalian Biology·DateJan 5, 2007

Biophysical Society announces winners of 2007 Student Travel Awards

The Biophysical Society has announced the winners of its student travel awards for their outstanding scientific contributions and presentations at the annual meeting. The recipients include Youval Ben Abou, Dovart Brass, Esther Caballero-Manrique, and other talented students recognized for their research excellence.

SourceBiophysical Society·DateJan 5, 2007
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.

Biophysical Society announces winners of 2007 International Travel Awards

The Biophysical Society has announced the winners of its international travel grants to attend the 51st annual meeting in Baltimore, Maryland. The awards recognize outstanding biophysicists from countries experiencing financial difficulties and honor their scientific merit and proposed presentations at the meeting.

SourceBiophysical Society·DateJan 5, 2007