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Science News Archive April 2013


Page 11 of 32

New dietary analysis tool for athletes debuts

A new website application called Dietary Analysis Tool for Athletes (D.A.T.A.) has been validated as accurately recording dietary intake. The digital tool generates a report immediately after the recall, providing quick feedback for athletes and sports health professionals.

Discovery brings hope of new tailor-made anti-cancer agents

Scientists have developed a new chemical compound, WEHI-539, that inhibits BCL-XL protein in cancer cells. This could lead to the design of potential anti-cancer agents that restore cell death and improve treatment outcomes for patients with various types of cancer.

Sniffing out solutions for millions of Americans with smell loss

Millions of Americans experience abnormality of smell function, affecting daily life. Researchers have discovered a crucial balance between anti-inflammatory and pro-inflammatory cytokines in nasal mucus, which may lead to new treatments for patients with smell loss.

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.

A noninvasive avenue for Parkinson's disease gene therapy

A novel gene therapy approach using nanoparticles to deliver GDNF may halt Parkinson's disease progression and reverse symptoms. This non-invasive method bypasses the blood-brain barrier, enabling continuous production of GDNF in brain cells.

Hundreds of alterations and potential drug targets to starve tumors identified

Researchers at Columbia University Medical Center have identified hundreds of metabolic expression changes and potential drug targets to cut off a tumor's fuel supply. The study, published in Nature Biotechnology, provides a comprehensive view of diverse metabolic alterations in cancer, shedding light on how tumors adapt their metaboli...

Change diet, exercise habits at same time for best results, Stanford study says

Researchers at Stanford University School of Medicine discovered that focusing on changing both diet and exercise simultaneously gives a bigger boost than tackling them sequentially. Participants who started with both diet and exercise habits at the same time were more likely to meet national guidelines for exercise and nutrition.

Apple iPhone 17 Pro

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

More evidence berries have health-promoting properties

Rats fed a berry diet for 2 months showed significant protection against radiation-induced aging, with improved autophagy and reduced toxic protein accumulation. Berries may help alleviate age-related cognitive decline and neurodegenerative diseases like Alzheimer's and Parkinson's.

Mayo Clinic anesthesiologist earns APS's Walter B. Cannon Award

Physiology's enduring relevancy is highlighted through Dr. Joyner's research on complex bodily functions like blood pressure and blood flow during exercise. The redundancy in human systems complicates genetic explanations for diseases, leading to a comeback of multi-directional thinking in physiology

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.

Middle-schoolers discover novel chemical bond

Four talented Dedham students from Maine's Aspirnaut science-outreach program have made a groundbreaking discovery about a novel chemical bond in animal tissues. This bond is essential for the genesis of animal tissues and has been found to be present in another lineage of multicellular organisms, highlighting its evolutionary importance.

A surprising new function for small RNAs in evolution

A new study reveals that microRNAs regulate the size of bald patches on fruit fly legs, driving natural variation in morphology. The findings suggest a novel mechanism for evolutionary adaptation involving small RNA molecules.

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.

Swedish study suggests reduced risk of dementia

A Swedish study published in Neurology suggests a decline in the risk of developing dementia over the past 20 years. The study, which analyzed data from the SNAC-K study on aging and health, found that improvements in cardiovascular disease prevention may have contributed to this decrease.

Freedom of assembly

Researchers at Argonne National Laboratory have observed nanoparticle chains forming in situ for the first time, using a transmission electron microscope. The study demonstrates the potential of nanoparticles in energy-relevant technologies and could lead to new materials with unique properties.

Muscle repair after injury helped by fat-forming cells

UCSF scientists discovered that muscle repair requires the action of two types of cells: eosinophils and fibro/adipogenic cells. Eosinophils help clear cellular debris and collaborate with FAP cells to trigger muscle regrowth.

A global murmur, then unusual silence

A global murmur, then unusual silence: A recent study found that following a major Indian Ocean earthquake, global seismic rates increased for days but subsequently dropped to zero for over 95 days. Researchers attribute this quiet period to the event causing short-term dynamic stressing of a global faulting system.

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.

Stress is good thing for parents, babies in squirrel world

Research suggests that high stress hormone levels in mothers can actually help their offspring grow faster and stronger. In a six-year study on North American red squirrels, stressed-out mothers raised pups that were significantly larger than those of control females.

Early cognitive behavioral therapy reduces risk of psychosis

Researchers from the University of Manchester found that early access to cognitive behavioral therapy (CBT) significantly reduced the risk of developing a full-blown psychotic illness. CBT was shown to reduce the risk by more than half at six, 12, and 18-24 months after treatment started.

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.

2 venous punctures not always needed for intravascular ultrasound-guided

A new study of 99 patients found that a single venous puncture technique is comparable to the traditional dual puncture approach in terms of technical success and clinical outcomes. The single puncture technique was also shown to reduce complications, such as deep vein thrombosis, compared to the double puncture method.

Knee bracing can 'significantly' reduce pain of kneecap osteoarthritis

Researchers at the University of Manchester found that wearing a knee brace improves symptoms, function, and muscle strength in patients with patellofemoral osteoarthritis. The study's findings have enormous potential for treating this common joint condition effectively and reducing reliance on painkillers.

NASA's Hubble sees a Horsehead of a different color

The iconic Horsehead Nebula is seen in a new infrared image from NASA's Hubble Space Telescope, showcasing its ethereal and transparent appearance at this wavelength. The nebula, located about 1,500 light-years away, is part of the Orion Molecular Cloud and is being formed by massive stars.

Nitrogen has key role in estimating CO2 emissions from land use change

A global-scale modeling study finds that carbon emissions from human activities on land were 40% higher in the 1990s due to nitrogen's limiting effect on plant growth. This underestimation has significant implications for international policy, requiring deeper emission cuts to meet mitigation targets.

Celestron NexStar 8SE Computerized Telescope

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

Tomosynthesis increases breast cancer detection rate

A new study suggests that tomosynthesis increases breast cancer detection rates by 11%, particularly benefiting women with dense breasts. The technology's improved performance in dense breast tissue was attributed to its ability to detect invasive and intraductal cancers more accurately.

UTSW researchers identify new potential target for cancer therapy

Researchers at UT Southwestern Medical Center have found that alternative splicing may be a new approach for inhibiting telomerase, an enzyme driving uncontrolled division of cancer cells. By shifting the splicing, they demonstrated a potential method for turning off telomerase activity, which could lead to new cancer therapies.

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.

Feinstein Institute Researcher provides insight into osteoarthritis

Researchers used atomic force microscopy to measure the mechanical properties of single cells in articular cartilage. They found that vimentin protein plays a key role in maintaining cell integrity, and that adult tissue has higher mechanical properties than young or old tissue.

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.

From blank round to a potently active substance?

Researchers at Bonn University Hospital have deciphered the mechanism of CMA, a long-forgotten antiviral candidate. The study reveals that the compound stimulates the immune system in mice but not humans due to differences in receptor structure. This discovery inspires the search for an effective antiviral drug.

2 views are better than 1 in 3-D breast screening

A study from Yale University found that two views are better than one in 3D breast screening to ensure optimal cancer detection. The CC view achieves better compression and shows lesions clearer due to its ability to compress the breast tissue.

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.

Calculating tsunami risk for the US East Coast

A recent study suggests that a tsunami could affect the US East Coast due to the similarity in tectonic settings between offshore earthquakes and major Canadian earthquakes. The potential threat area stretches from New England to New Jersey, with several earthquake swarms detected off the Atlantic continental shelf.

Alternative medicine use by MS patients now mapped

A new study has mapped the use of alternative treatments among multiple sclerosis (MS) patients, revealing that more than half combine conventional and alternative medicine. The research highlights the importance of understanding how MS patients use both conventional and alternative treatments to manage their condition.

'Black carbon' flowing from soil to oceans

Research finds that a significant proportion of black carbon in soil dissolves into rivers and flows to the ocean, undermining efforts to use soil as a carbon sink. The study estimated that 27 million tons of black carbon flow from rivers to oceans annually.

Measuring the hazards of global aftershock

Researchers are working to extend earthquake risk estimates globally, studying hundreds of M≥7 mainshock events in 21 regions. Initial results show that remote triggering has occurred at least once in half of the regions studied during the past 30 years.

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.

Revolutionary new device joins world of smart electronics

Researchers at the University of Exeter developed a new photoelectric device that converts light into electrical signals using graphene and graphExeter. The ultra-lightweight, flexible device has potential applications in photovoltaic textiles, intelligent windows, and smart materials.

Grains of sand from ancient supernova found in meteorites

Researchers found two tiny silica grains in primitive meteorites, with unusual isotopic signatures suggesting they originated from a single core-collapse supernova. This discovery provides clues to the complex nuclear and convective processes operating within stars, shedding new light on stellar evolution and the solar system's formation.

Random walks on DNA

Researchers have discovered a new mechanism of DNA helicase that utilizes thermal motion to move long distances along DNA, providing an energy-efficient way to unwind double-stranded DNA

Teen moms at greater risk for later obesity, U-M study finds

A new study by University of Michigan Health System researchers found that women who give birth as teens are significantly more likely to be overweight or obese later in life. The study, based on data from the National Health and Nutrition Examination Survey, identified teen pregnancy as a predictor of obesity.

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.

Mine disaster: Hundreds of aftershocks

Researchers found at least 759 seismic events before the mine collapse and 569 aftershocks, with some evidence of up to 1,022 seismic events and 1,167 aftershocks, indicating a larger collapse area extending to the west end of the mine

Breast pain issue for 1 in 3 female marathon runners

A study of over 1300 female marathon runners found that breast pain is more common among larger breasted women, but also affects childless women. Exercise intensity and duration can exacerbate symptoms, leading some to reduce exercise intensity or miss training sessions.

Something's fishy in the tree of life

A new 'tree of life' for fishes has been recharted with the help of genetic and physical information, revealing significant changes to existing ideas on fish relationships. The research improves scientists' ability to predict how closely related species might react to environmental factors like climate change.

Massive amounts of charcoal enter the worlds' oceans

Researchers found that 10% of dissolved organic carbon in rivers comes from charcoal, highlighting the need for greater consideration of carbon sequestration techniques. The study's findings have implications for mitigating climate change by improving our understanding of the environmental fate of charcoal.

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.

Ocean acidification as a hearing aid for fish?

A new study suggests that ocean acidification could lead to increased hearing sensitivity in fish, with potential benefits for navigation and communication. Researchers found that fish raised in low-pH seawater had larger otoliths, which are used for hearing and balance, resulting in up to a 58-percent increase in otolith mass.