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Science News Archive March 2012


Page 26 of 32

New species of deep-sea catshark described from the Galapagos

A new species of deep-sea catshark has been described from the Galapagos Islands, characterized by its chocolate-brown coloration and pale, irregularly distributed spots. The species is found at depths of 1,400-1,900 feet and is believed to be susceptible to overfishing due to its restricted range.

1 more 'player' on the pitch thanks to a new training method

A new training program has been developed to improve the physical fitness of elite football players, resulting in increased oxygen intake, improved jumping ability, and faster sprints. The study, published in the Journal of Sports Medicine, shows a 8.6% increase in oxygen intake after just 8 weeks of intense training.

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.

NEJM study shows combination treatments benefit melanoma patient

A study published in NEJM describes a rare case of the abscopal effect in a melanoma patient, where combining targeted radiation therapy with immunotherapy led to a strong immune response and favorable clinical outcome. The patient's pre-existing immunity to NY-ESO-1 antigen played a crucial role in the enhanced tumor regression.

New research will shed light on racial gap in dementia

A new study led by Michigan State University sociologist Zhenmei Zhang investigates the racial gap in dementia, revealing that blacks are four times more likely to experience mild cognitive impairment than whites. The research aims to identify windows of opportunity for intervention and reduce disparities.

Commonly used herbicides seen as threat to endangered butterflies

A recent study found that three commonly used herbicides can dramatically reduce butterfly populations. Researchers tested triclopyr, sethoxydim and imazapyr on butterfly larvae and found a significant drop in adult numbers. The findings have implications for conservation efforts to protect endangered species like the Lange's metalmark.

Apple iPhone 17 Pro

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

Garafolo tests spacecraft seal to verify computer models

Researchers used computer prediction models to test a new docking seal, verifying its performance and improving upon costly experimental evaluations. The study showed significant correlations between experimental values and computer-modeled results, with some discrepancies attributed to extrapolation errors.

Chimpanzees have policemen, too

In a study published in PLOS ONE, researchers observed chimpanzee groups and found that high-ranking individuals intervene in conflicts to ensure group stability. This behavior is driven by a community concern interest, with more parties to a conflict resulting in greater policing.

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.

US Army suicides rose 80 percent between 2004 and 2008

US Army suicides surged by 80% between 2004 and 2008, with 39% of cases linked to post-Iraq events. Mental health issues such as depression, anxiety disorders, and substance misuse increased significantly during this period.

Self-centered kids? Blame their immature brains

A new study suggests that egocentric behavior in children is linked to an immature prefrontal cortex, rather than a lack of understanding of fairness. Researchers found age-related increases in strategic decision-making between ages 6-13 years, with improved impulse control and brain activity in the left dorsolateral prefrontal cortex.

Switch to daylight saving time leads to cyberloafing at the office

Researchers found that employees spend more time surfing the web for personal pursuits after switching to daylight saving time, resulting in potential productivity losses. The study suggests that lost sleep causes employees to exhibit poorer self-control, leading to increased cyberloafing.

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.

NIST/CU 'star comb' joins quest for Earth-like planets

The NIST/CU laser frequency comb has been used to calibrate measurements of starlight from stars other than the Sun, achieving precision comparable to established techniques. This technique may help detect Earth-like planets, which are hard to detect with conventional technology.

Any UK law on cycle helmets should apply only to kids

Researchers argue that UK law on cycle helmets should apply only to kids due to equivocal evidence of adult protection. The authors suggest a paternalistic approach and instead recommend public health information to empower adults to make their own decisions about helmet-wearing.

MIT student inventor Miles C. Barr receives Lemelson-MIT student prize

Miles C. Barr has developed a lightweight and bendable solar technology that can be integrated into various surfaces, including wallpaper, window shades, and clothing. The technology aims to increase adoption of solar power in the US and developing countries, providing inexpensive power generation.

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.

Study shows how high-fat diets increase colon cancer risk

Researchers at Temple University found that high-fat diets alter metabolic pathways in healthy colon tissue, leading to increased colon cancer risk. Epigenetic marks on genes involved in breaking down carbohydrates and lipids were retrained in normal tissue from patients with colon cancer.

Playful learning inside a square

The HOPSCOTCH learning system combines interactive gameplay with movement to make learning enjoyable for children of all ages. Initial tests at an elementary school showed enthusiasm from participants, particularly hyperactive kids, and Martina Lucht's vision is to integrate physical education with instruction in language skills.

What have we got in common with a gorilla?

The study compares the genomes of humans, chimpanzees, gorillas, and orang-utans, shedding light on human origins and genetic differences. Genetic changes important in evolution were found to be accelerated in genes related to sensory perception, hearing, and brain development.

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.

Bright is the new black: New York roofs go cool

A study found that white rooftops, like those being installed in New York City, can reduce peak temperatures by 43 degrees Fahrenheit compared to traditional black roofs. The low-cost, DIY-friendly option also improves urban albedo and reduces greenhouse gas emissions.

NASA sees Tropical Storm Irina heading back toward African mainland

Tropical Storm Irina is showing signs of weakening due to the presence of dry air and cool sea surface temperatures. The storm's cloud top temperatures indicate a significant reduction in strength compared to its previous state, with the southern quadrant experiencing colder temperatures.

Federal grant enables HIV testing, treatment in the Augusta area

The $3.4 million grant from the U.S. Department of Health and Human Services will provide medication and treatment to uninsured patients in the Augusta area, while also expanding rapid testing and education efforts. With this funding, nearly 1,300 HIV-positive patients can receive life-long treatment with a single pill daily.

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.

Wake Forest Baptist research sheds light on cancer of the appendix

Researchers at Wake Forest Baptist Medical Center have identified distinct genetic patterns between cancer of the appendix and colon cancer. The study found that gene expression profiles differ significantly between the two types of cancer, suggesting a need for fresh approaches to treatment.

What does chronic stress in adolescence mean at the molecular level?

Researchers found that chronic stress in adolescence leads to a loss of glutamate receptor expression and function, resulting in impaired memory and recognition. Disrupting the enzymes responsible for this loss may prevent cognitive impairment induced by repeated stress exposure.

Strong scientific evidence that eating berries benefits the brain

A new article from the American Chemical Society suggests that berry fruits contain high levels of antioxidants, which can protect cells from damage. The study also found that eating berries changes the way neurons communicate, potentially preventing inflammation in the brain and improving motor control and cognition.

Celestron NexStar 8SE Computerized Telescope

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

The first spectroscopic measurement of an anti-atom

Scientists have probed the internal structure of antihydrogen atoms using microwave radiation, providing insight into their behavior. The results show that specific frequencies cause the spins to flip, ejecting the atoms from the trap and confirming a key aspect of antihydrogen's properties.

How repeated stress impairs memory

Research reveals that repeated stress affects memory by reducing glutamate receptors in the prefrontal cortex, impairing high-level cognitive processes. The study provides critical insight into how chronic stress influences mental illnesses and offers potential targets for prevention and treatment.

Resetting the future of MRAM

Scientists create magnetic valve using spintronics to stabilize data storage in MRAM. The spin-valve concept enables controlled lifetime of stored information, increasing overall life expectancy.

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.

Stumped by a problem? This technique unsticks you

Tony McCaffrey's generic parts technique (GPT) helps people think beyond common uses of objects, leading to 67% more problem-solving successes. By breaking down objects into parts and asking two questions, individuals can find alternative uses and innovate.

A foot in the door to genetic information

Scientists at German Cancer Research Center have discovered that histone proteins actively open access to genetic information by detaching short DNA segments. This mechanism allows genes to be read and may be disrupted in cancer cells.

New research helps to identify ancient droughts in China

Researchers used a microbial lipid proxy to identify ancient droughts and alkaline soils on the Tibetan Plateau, associated with significant uplift nine million years ago. The study suggests that abrupt uplifts can cause enhanced aridity in central Asia.

Fiercer competition for quicker innovations

A study by KIT's Institute for Technology Assessment and Systems Analysis reveals that fiercer technical competition in Japan drives innovative mobile services. European operators are recommended to adopt similar measures, such as unlicensed radio spectrum usage and new licensing schemes, to regain competitiveness.

Robotic refueling mission begins with space station robotics

The NASA Robotic Refueling Mission (RRM) successfully demonstrated robotic satellite-servicing technology on the International Space Station, marking a significant milestone in space technology advancement. The mission used the Canadian Dextre robot and RRM tools to perform tasks such as gas fittings removal and satellite refueling.

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.

Study targets key molecule to reverse kidney damage in mice

Researchers at Beth Israel Deaconess Medical Center have identified a key molecular player that can reverse kidney damage in mouse models of diabetes and other kidney injuries. The targeted experimental drug has shown to suppress inflammation, cell death, and fibrosis formation, allowing normal tissue to regenerate.

Mechanism for Burgess Shale-type preservation

Researchers have discovered a global pattern in geochemical analysis that sheds light on the unusual preservation process of soft-bodied fossils found in the Burgess Shale. The team found that rapid burial in mud layers with low oxygen levels and the presence of calcium carbonate cement played a crucial role in conserving organic remains.

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.

Deafening affects vocal nerve cells within hours

Researchers found that deafening causes rapid changes to motor areas in songbirds' brains, predicting which birds will have worse songs. This study may provide insights into how hearing loss affects the human brain's vocalization control.

Ants can learn vibrational and magnetic landmarks

Desert ants were trained with magnetic and vibrational landmarks relative to their nest, showing that the behavior was learned. The ants had no innate preference for these cues, suggesting they are adaptable navigators.

Meta Quest 3 512GB

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

Oceans acidifying faster today than in past 300 million years

Scientists have found evidence that ocean acidification is happening faster today than in the last 300 million years, with potential consequences for coral reefs and other marine life. The oceans are acting like a sponge to draw down excess carbon dioxide, but at an alarming rate, putting these ecosystems at risk.

Biodegradable transistors -- made from us

Researchers at Tel Aviv University have created protein-based transistors using organic materials found in the human body, offering a biodegradable alternative to traditional silicon-based technology. The transistors are self-assembling and can be tailored for unique properties such as conductivity, memory storage, and fluorescence.

With extra gene, mice are footloose and cancer free

Researchers discovered that mice with an extra copy of the tumor suppressor Pten gene experience hyperactive brown fat, burning energy instead of storing it. This leads to improved metabolic balance, reduced insulin resistance, and lower liver fat, contributing to longer lifespan and cancer prevention.

When dying, bacteria share some characteristics with higher organisms

Researchers have discovered a novel cell death pathway in bacteria that shares similarities with apoptosis in higher organisms. The newly described Apoptotic-Like Death (ALD) pathway is characterized by DNA fragmentation and depolarization of the cell membrane, similar to eukaryotic apoptosis.

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.

Aggressive traumatic brain injury care improves outcomes, reduces long-term costs

A new study by University of Pennsylvania researchers finds that aggressive treatment for severe traumatic brain injuries significantly improves outcomes and reduces long-term costs. The study suggests that invasive interventions like ICP monitoring and decompressive craniotomies are cost-effective across all patient populations, inclu...