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Science News Archive August 2014


Page 16 of 31

Study: World's primary forests on the brink

A new study reveals that only five percent of the world's pre-agricultural primary forest cover is found in protected areas, with most forests under threat from industrial logging, mining, and agriculture. Experts call for international policies to reduce pressure on primary forests, preserving their biodiversity and ecosystem services.

WSU researchers find crucial step in DNA repair

Scientists at Washington State University have discovered a critical step in the DNA repair process that could lead to new therapies for hereditary diseases. They found that a specific protein must be 'unbuckled' to allow easy access for the DNA repair crew, and this discovery may lead to targeted gene therapy.

Nikon Monarch 5 8x42 Binoculars

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Innate lymphoid cells elicit T cell responses

Researchers discovered that innate lymphoid cells become activated during inflammation, inducing specific T and B cell responses. These findings open up new avenues for treating infection and chronic inflammation.

More than just X and Y: A new genetic basis for sex determination

Researchers discovered a subset of microRNAs that regulate sex differences in fruit flies, with implications for understanding human developmental defects and disease. The study found that these small RNA molecules orchestrate complex genetic programs that shape the structures distinguishing males and females.

500 million year reset for the immune system

Scientists at the Max Planck Institute re-activated an ancient gene, FOXN4, which led to the development of a fish-like thymus in mice. This finding suggests that the immune system's core organs may have evolved from a common ancestor with jawed fish.

Aspirin, take 2

Researchers at UC San Diego School of Medicine found that aspirin prompts the production of 15-HETE, which converts to lipoxin to reverse inflammation. This discovery may lead to new anti-inflammatory therapies by developing drugs based on lipoxin analogues.

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.

Annals of Internal Medicine tip sheet for Aug. 19, 2014

Two American missionaries who contracted Ebola virus in West Africa deserve special treatment for their selfless act of caring for infected patients. The author argues that limiting experimental treatment to these two patients is necessary due to the ethical concerns of exploiting vulnerable individuals during a public health outbreak.

New discovery: Microbes create dripstones

Researchers found microbes actively contribute to dripstone formation, with layers mirroring seasonal changes. The discovery sheds light on the role of biological life in shaping Earth's geology and has implications for understanding microbial life beyond Earth.

Life after prison: Sociology professor presents findings on research

A sociology professor presented research on how ex-inmates cope with life after prison, finding that those who successfully transition address internalized anger and use it as motivation to redeem themselves. The study highlights the importance of considering unique stigma faced by this population in reentry efforts.

SAMSUNG T9 Portable SSD 2TB

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Happiness in schizophrenia

Research suggests that happiness is an attainable goal for some schizophrenia patients, associated with positive psychological and social attributes like resilience and optimism. A study found that 37% of patients reported being happy all or most of the time, regardless of severity, duration, or socioeconomic factors.

Leukemia drug shows promise for skin, breast and other cancers

Researchers at Loyola University Chicago Stritch School of Medicine discovered that dasatinib causes cancer cells to clump together, preventing metastasis. The drug targets a protein called BCR-ABL found in various malignancies, including breast and skin cancers.

Oregon team to study impacts of climate change on pesky forest insect

A University of Oregon team, with NSF support, is building a computational model to probe the influence of forest governance and climate on deadly insect infestations. The research aims to improve existing knowledge on mountain pine beetle infestation by identifying large-scale patterns of forest change under various scenarios.

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.

8,000-year-old mutation key to human life at high altitudes

A University of Utah-led study identifies a genetic variation in Tibetans that contributes to their adaptation to high altitudes. The EGLN1 gene change protects Tibetans from complications caused by low oxygen levels, allowing them to thrive in thin air.

FDA-approved drug restores hair in patients with alopecia areata

Researchers at Columbia University Irving Medical Center have identified the immune cells responsible for destroying hair follicles in people with alopecia areata. A small number of patients showed complete hair regrowth after treatment with an FDA-approved drug, JAK inhibitors, which eliminated attacking T cells and restored hair growth.

Suspect gene corrupts neural connections

A recent study has found that a rare genetic mutation in the DISC1 gene can corrupt neural connections, leading to disruptions in brain circuitry. The research, published in Nature, used induced pluripotent stem cells to model the effects of the mutation on human neurons.

Apple iPhone 17 Pro

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New Stanford research sheds light on how children's brains memorize facts

A new study from Stanford Medicine explains how children's brains reorganize themselves as they learn math facts. The research found that the hippocampus plays a crucial role in building a schema for mathematical knowledge and provides a scaffold for learning and consolidating facts into long-term memory.

New home for an 'evolutionary misfit'

Researchers have discovered a definitive link between ancient worm-like creature Hallucigenia and modern velvet worms. A new study reveals that claws play a crucial role in the connection between these two groups, shedding light on the evolutionary tree of life.

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.

Stuck in neutral: Brain defect traps schizophrenics in twilight zone

People with schizophrenia struggle to convert desires into actions due to brain deficits affecting the caudate region. This impairment prevents them from making choices and behaving accordingly. The study's findings suggest that schizophrenics are 'stuck in neutral', wanting a normal life but unable to take necessary steps.

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.

Epigenetic breakthrough bolsters understanding of Alzheimer's disease

Researchers have discovered strong evidence that epigenetic changes play a role in Alzheimer's disease, with specific DNA modifications linked to neuropathology. The study provides potential hope for understanding the mechanisms involved in dementia and highlights the importance of epigenetics research.

Microchip reveals how tumor cells transition to invasion

Researchers have shed new light on the epithelial-mesenchymal transition (EMT) process in cancer cells, using a microengineered device that acts as an obstacle course for cells. The study reveals that EMT upgrades cancer cells from an economy model to a fast sports car, allowing them to migrate aggressively to distant locations.

A shift in the code: New method reveals hidden genetic landscape

A team of scientists at Cold Spring Harbor Laboratory developed a new algorithm to analyze genome sequences and pinpoint insertion and deletion mutations involved in diseases. They successfully identified indels associated with autism and obsessive-compulsive disorder, shedding light on the genetic causes of these disorders.

Creality K1 Max 3D Printer

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Fascinating rhythm: Light pulses illuminate a rare black hole

Astronomers have accurately measured a rare black hole about 400 times the mass of our sun in a galaxy 12 million light years from Earth. The finding confirms the existence of intermediate-mass black holes, which were previously disputed due to lack of data.

Gorges are eradicated by downstream sweep erosion

A team of scientists analyzed a gorge on the Da'an Chi river in Taiwan over almost ten years, revealing a new mechanism that drives this process. Downstream sweep erosion is caused by a wide braided channel upstream, which gradually washes away bedrock surrounding the gorge.

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.

Stem cells reveal how illness-linked genetic variation affects neurons

A recent study using stem cells found that a rare genetic variation, known as DISC1, reduces synapse growth in young brain cells, contributing to schizophrenia and depression. The researchers also discovered that the variation regulates the activity of over 100 genes related to synapses.

DNA methylation involved in Alzheimer's disease

Researchers at Brigham and Women's Hospital discovered that early changes in brain DNA methylation are involved in Alzheimer's disease. The study found correlations between methylation levels and Alzheimer's disease in specific genes, suggesting a potential role for epigenomic modifications in disease susceptibility.

Ethnoburbs: Segregation in suburbia

A recent study by Indiana University researcher Samuel Kye found that suburban neighborhoods with a growing number of middle-class minority residents experience high levels of white flight and segregation. Despite their affluent status, these 'ethnoburbs' have lost a steady flow of white residents over the past 20 years.

The notion of love can lead to greater acceptance of couples' rights

A study by Indiana University found that people's attitudes towards same-sex and straight couples differ based on the notion of love, affecting what rights they think each couple deserves. The study suggests that portraying gay couples as loving can gain them more support in the gay rights movement.

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.

Disconnect between parenting and certain jobs a source of stress, study finds

A study by University of Iowa researchers found that working parents in jobs perceived as weak or impersonal are more stressed than those in occupations seen as caring and strong like parenting. The discrepancy between the occupation's cultural meaning and parental identity contributes to psychological well-being.

Peers, but not peer pressure, key to prescription drug misuse among young adults

A Purdue University study found that peer associations, access points to drugs, and motivations to have a good time with friends are linked to increased prescription drug misuse. The research, conducted among 404 young adults aged 18-29, suggests that prevention efforts should focus on these subtle components rather than peer pressure.

Bone chemistry reveals royal lifestyle of Richard III

A recent study by the British Geological Survey has analyzed the bone and tooth chemistry of King Richard III, revealing a change in diet and location in his early childhood and later life. The research suggests that Richard had a high status diet with expensive food and drink when he became king.

Study identifies factors that contribute to food trucks' fast spread

A study by University of Michigan researchers found that social and demographic factors, such as college graduates and diverse populations, contribute to the growth of gourmet food trucks. The study also reveals that cities with more craft breweries and farmer's markets tend to have more food trucks.

Meta Quest 3 512GB

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

Parental incarceration can be worse for a child than divorce or death of a parent

A new study by UC Irvine finds that parental incarceration is associated with increased risk of attention deficit disorder, behavioral problems, learning disabilities, and developmental delays in children. Children with incarcerated parents are more likely to experience health disadvantages than those with divorced or deceased parents.

Fluke 87V Industrial Digital Multimeter

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

On the edge of graphene

Researchers discovered graphene devices have different electronic properties at edges and centers. Edge conduction was found to be p-type, while the center exhibited n-type electron conduction. These findings offer insights into developing graphene nanoribbon devices and studying edge photocurrents.

New X-ray imaging developed by scientists

Scientists at Monash University developed an x-ray imaging system that allows researchers to monitor the effectiveness of treatments for cystic fibrosis. This breakthrough enables non-invasive assessment of treatment efficacy on airway surfaces, accelerating development of new treatments.

Visual exposure predicts infants' ability to follow another's gaze

A study found that preterm infants' ability to follow another's gaze emerges earlier than expected, implying the influence of early visual exposure. This challenges previous assumptions about cognitive development and suggests a potential link between visual experience and social cognition.

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.

Bivalirudin versus heparin in patients planned for coronary stenting

A study analyzed all trials to date, finding that bivalirudin-based regimens increase the risk of heart attacks and stent thrombosis, while heparin-based regimens decrease bleeding risk. The magnitude of benefit was attenuated when glycoprotein IIb/IIIa inhibitor use was similar in both arms.

Federal agencies provide new opportunities for dying languages

The National Science Foundation and the National Endowment for the Humanities have awarded over $4 million to support the documentation of nearly 40 endangered languages. These awards will build research infrastructure and encourage long-term collaboration with host countries, as well as involve significant community engagement.

NASA sees no punch left in Tropical Storm Julio

Tropical Storm Julio's strong thunderstorms have weakened, with cloud tops warming and dropping lower in the atmosphere. The storm is expected to continue weakening and lose its tropical characteristics due to cooler sea surface temperatures.

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.