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Science News Archive 2008


Page 203 of 240

Key component of Earth's crust formed from moving molten rock

A team of Cornell researchers has developed a computer model that explains how granulite, a fine-grained metamorphic rock, forms in the Earth's crust. The model reveals that granulite can form at various depths but at similar temperatures as melted rock migrates up through the crust.

Stanford biologist awarded 2008 Sophie Prize in Norway

Gretchen Daily, a Stanford University biologist, has been recognized by the Sophie Foundation for her groundbreaking work blending economics and ecology. Her research focuses on quantifying the economic value of ecosystems and promoting conservation through practical applications.

Warmer springs mean less snow, fewer flowers in the Rockies

Research by David Inouye shows that warmer springs in the Rockies are causing three common wildflowers to bloom less due to late frost damage. This can have significant impacts on ecosystem dynamics, as these plants provide food for various insects and animals, which may disappear if they vanish.

Meta Quest 3 512GB

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

Physics breakthrough much ado about 'nothing'

Researchers at the University of Calgary have successfully stored and retrieved a special type of vacuum, known as a squeezed vacuum, using rubidium atoms. This breakthrough has significant implications for quantum computing and information exchange, enabling the creation of ultra-secure codes for transmitting sensitive information.

University of Colorado at Boulder awarded $1 million for biofuels research

The University of Colorado at Boulder has received a $1 million grant from the USDA and DOE to develop solar-thermal biomass-to-gas conversion systems. The three-year project will use concentrated sunlight to convert biomass into synthesis gas, which can be easily converted into hydrogen or liquid fuels.

Awkward! New study examines our gazes during potentially offensive behavior

A new study examines how our gazes shift towards potentially offended individuals, revealing a complex interplay of social identity, possible reactions, and assessment of the situation. The researchers found that participants fixated on the Black discussant four times longer when they believed he could hear what was being said.

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.

Brown-led study rearranges some branches on animal tree of life

A Brown-led study uses genomics tools to reorganize the animal phylogenomic research project, clarifying relationships between major groups and offering surprises. Comb jellyfish diverged from other animals even before sponges, questioning the root of the animal tree.

A new more effective tuberculosis screening test for HIV victims

A new TB screening test based on ELISPOT test has shown high sensitivity and specificity in detecting latent TB infection in HIV-infected individuals. The test was compared to the traditional tuberculin skin test (TST) and found to be more sensitive, but its effectiveness in severely immunosuppressed individuals remains unclear.

New revelations in epigenetic control shed light on breast cancer

Researchers at EMBL discovered that estrogen causes rapid epigenetic changes in breast cancer cells, challenging the long-held assumption of methylation as a mechanism of long-term gene regulation. This cyclical nature of methylation may shed light on the molecular bases of cancer and development.

Slow slip and slide dynamics

A UM Marine geology and geophysics student has been awarded the prestigious MARGINS Student Prize for her research on slow slip and slide dynamics in the Nicoya Peninsula, Costa Rica. Her study revealed a 'slow slip event', where energy is released over several weeks instead of seconds, sparing damage to the surface environment.

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.

Lowly Icelandic midges reveal ecosystem's tipping points

A new study reveals that the slightest environmental perturbation can tip an ecosystem's balance, with unpredictable and irreversible consequences. Icelandic midges provide a unique model to assess these dynamics, highlighting the fragility of ecosystems and the importance of understanding their responses to human-induced changes.

Epigenetic regulation by the MMB/dREAM complex

The MMB/dREAM complex, composed of Myb and E2F2-RB proteins, epigenetically regulates expression of the Polo kinase in Drosophila. Disruptions to this pathway are associated with human cancers and may lead to similar epigenetic changes.

Nanoswitches toggled by light

Researchers discovered ultrafast electron microscopy reveals switchable nanochannels in copper and TCNQ crystals. These micromaterials stretch under laser pulses, exhibiting reversible optomechanical phenomena useful for nanoelectronic applications.

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.

Costly placebo works better than cheap one

A provocative study by Dan Ariely found that a 10-cent pill is less effective at killing pain than a $2.50 pill, even when they are identical placebos. The study suggests that patients' subjective ratings of pain are influenced by the perceived quality and cost of medications.

Genome-wide association study on Parkinson's disease finds public home at NIH

A genome-wide association study on Parkinson's disease has made its raw data available to researchers through the National Human Genome Research Institute (NHGRI) and the National Center for Biotechnology Information (NCBI). The study, funded by the Michael J. Fox Foundation, provides valuable insights into the genetic factors underlyi...

Apple iPhone 17 Pro

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

Dana Foundation releases arts and cognition research

A three-year study at seven major universities reveals that children motivated in the arts develop attention skills and strategies for memory retrieval that also apply to other subject areas. The research identifies eight key points relevant to interests of parents, students, educators, neuroscientists, and policy makers.

Women are treated less frequently than men with statins, aspirin and beta-blockers

A new study by Rush University Medical Center found that women are significantly less likely to be treated with statins, aspirin, and beta-blockers for coronary artery disease compared to men. Despite similar prevalence of adverse drug reactions, the study suggests underutilization of medical therapies may contribute to this disparity.

Fluke 87V Industrial Digital Multimeter

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

Screening the herbal pharmacy

Researchers have identified 18 plants with substantial anti-cancer properties, including Rangoon Creeper and Red-Root Sage, which outperform conventional treatments against specific tumor cell lines.

Study shows cholesterol-lowering power of dietitian visits

A national study found that patients with high cholesterol who received nutrition counseling from registered dietitians were able to reach their LDL cholesterol goal in approximately eight months. The study, which included data from 377 patients, showed significant reductions in cholesterol levels and weight loss among those who follow...

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.

Brain chemistry ties anxiety and alcoholism

A study at the University of Illinois Chicago found a key molecular event in the brain that links anxiety with alcohol addiction. The researchers discovered a protein called Arc that is produced in response to alcohol exposure, which helps reduce anxiety-like symptoms. Restoring levels of this protein may help alleviate withdrawal-indu...

Sticky blood protein yields clues to autism

Researchers at Vanderbilt University Medical Center have identified a sticky blood protein that regulates serotonin transporter activity, potentially contributing to autism. The discovery may lead to new treatments for autism and depression.

The Wiimote as an interface bridging mind and body

Researchers found that body movements reflect confidence in learning tasks using the Wiiimote, suggesting a link between cognition and action. The study provides new evidence for the deep interconnection between mental processing and bodily movement.

Researchers visualize complex pigment mixtures in living cells

The new method allows researchers to localize pigments with similar fluorescence spectra, providing insights into photosynthesis and cellular function. The study reveals compositional heterogeneity between thylakoid rings, with different processes in photosynthesis occurring in different areas of the membranes.

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.

Tiny polyps need 2 kinds of carbon to survive coral bleaching

Researchers found that healthy coral polyps rely on both photosynthetic carbon from algae and feeding-derived carbon for survival. The study suggests a key role for this dual carbon source in coral recovery from bleaching, with implications for the management of these critical ecosystems.

Brown study: Schistosomiasis more debilitating than estimated

Researchers at Brown University have found that schistosomiasis japonica is significantly more debilitating than previously thought, with a 0.098-0.186 disability impact score. The study's findings suggest that current measures of the disease's burden may underestimate its true impact.

Scientists find mercury threatens next generation of loons

A long-term study has found mercury levels impacting common loons' health, reproductive success, and behavior. Loons with high mercury levels spend less time at nests and produce fewer young, while also experiencing sluggishness and flight issues.

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.

Small study shows marijuana does not increase risk of head, neck cancer

A small study has found that marijuana use does not significantly increase the risk of head and neck cancer. The relative risk was the same as in non-users, unlike smoking cigarettes and heavy alcohol consumption, which were linked to increased cancer risks. More research is needed to confirm these findings.

Can moths or butterflies remember what they learned as caterpillars?

Researchers found that tobacco hornworm caterpillars could be trained to avoid specific odors, and adult moths emerged from the pupae of these caterpillars also avoided the same odors. The study suggests that memory retention is dependent on the maturity of the developing caterpillar's brain.

Blueberry and green tea containing supplement protects against stroke damage

A dietary supplement containing blueberry, green tea, vitamin D3, and carnosine extracts has been shown to reduce neural damage and motor deficits in animal models after a simulated stroke. The study found that the supplement increased new neuron production and was 100 times more potent than individual ingredients.

Drinking and aggression among university students often depends on the context

A study found that drinking in these settings increases aggression, especially for women, and that attending parties can also increase aggression. The researchers suggest that prevention programs focusing on preparing women for the risks associated with drinking at parties might help reduce their likelihood of experiencing aggression.

Study uncovers cause of flu epidemics

Researchers found that genetic material exchange between closely related influenza A virus strains may have caused the 1947 and 1951 human flu epidemics, challenging the long-held belief that reassortment events lead to severe pandemics.

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.

Protein target for diabetes drug regulates blood pressure

A study published in Cell Metabolism found that the PPAR gamma protein regulates blood pressure and vascular function, shedding light on why certain diabetes medications also lower blood pressure. The discovery may lead to more specific treatments for cardiovascular diseases associated with type II diabetes.

News and features abound at ACS National Meeting in New Orleans, April 6-10

The American Chemical Society's 235th national meeting will present hundreds of newsworthy topics, including a new test for gunshot residue and blood from the American alligator being used as a medical lifesaver. Researchers will also showcase discoveries in chemistry and other fields, such as technology to turn waste CO2 into DVDs and...

Schistosomiasis more debilitating than previously estimated

A new study reveals schistosomiasis japonica has a substantially higher disability impact, estimated to be 0.098-0.186 DALY, compared to the current low estimate of 0.005. This finding suggests the disease burden may need to be revised, with policymakers needing to prioritize control measures.

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.

Open-access tropical conservation journal launches

The journal, launched by Mongabay.com, will publish original research papers and reviews on tropical forest and ecosystem conservation. It aims to stimulate publications addressing social, economic, and industrial drivers impacting tropical ecosystems.

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.

Irritating smells alert special cells, NIH-funded study finds

Researchers discovered a solitary chemosensory cell plays a crucial role in transmitting irritating chemical odors to the trigeminal nerve. This finding expands our understanding of olfaction and may lead to a better understanding of why some people are exceptionally sensitive to irritating odors.

Magnetic levitation gives computer users sense of touch

Researchers at Carnegie Mellon University have developed a magnetic levitation-based haptic interface that provides a highly realistic sense of touch. This device uses magnetic levitation and a single moving part to give users a realistic experience, eliminating the need for bulky mechanical components.

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.

Is there a way to ease racial tension between adolescents?

A participatory action research project aims to reduce ethnic group conflicts among adolescents by using trust-building exercises, conflict resolution training, and empowering youth to participate in dialogues. The study suggests a promising approach for fostering positive intergroup relations.