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Science News Archive October 2010


Page 5 of 25

Modern humans emerged far earlier than previously thought

A team of researchers has uncovered well-dated human fossils in southern China, pushing back the known emergence of modern humans by at least 60,000 years. The discovery indicates that early modern humans co-existed with late archaic humans for tens of millennia across Eurasia.

Apple iPhone 17 Pro

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

Plagiarism sleuths tackle full-text biomedical articles

A new study published in PLOS ONE reveals that full-text analysis is needed to uncover duplicate citations in the scientific literature. The researchers found that most papers are novel, but certain sections like the introduction and methods section frequently have reused content. The study offers hope for developing guidelines on acce...

Penn study identifies molecular guardian of cell's RNA

Researchers discovered that U1 plays a crucial role in protecting mRNA transcripts from premature termination. By binding to the transcriptome, U1 keeps the cleavage/polyadenylation machinery in check until the RNA polymerase enzyme reaches its finish line.

Primary care physicians may earn lowest hourly wages

According to a study, primary care physicians earn significantly lower hourly wages compared to specialists in surgery, internal medicine, and other fields. The average annual income of primary care physicians is $187,857, which is 48% lower than that of surgeons.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

UF research gives clues about carbon dioxide patterns at end of Ice Age

New University of Florida research reveals that old carbon was stored in the icy waters of the Southern Ocean near Antarctica during the last glacial period. This discovery has significant implications for understanding future global warming scenarios and how much atmospheric carbon dioxide the oceans can absorb in the future.

What can country of birth tell us about childhood asthma?

Research by Tufts University found a significant difference in childhood asthma prevalence between U.S.-born and foreign-born children. Foreign-born children were less likely to develop asthma due to factors such as lower socioeconomic status and exposure to pests, which was not observed in U.S.-born children.

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.

Heat acclimation benefits athletic performance

Researchers found that heat acclimation provided significant benefits for athletes competing in cool weather, including improved aerobic performance. The study's findings suggest that heat acclimation could be a practical and effective approach to improve athletic performance in cooler conditions.

Peace of mind closes health gap for less-educated

A study by University of Wisconsin-Madison researchers found that positive psychological attributes, such as meaningful relationships and a sense of purpose, can counteract the negative effects of socioeconomic status on health. The study suggests that these characteristics may moderate the levels of inflammatory protein Interleukin-6 ...

Wildlife health reporting tools may help prevent human illness

Two new tools, Wildlife Health Event Reporter and Outbreaks Near Me, enable public reporting of sick or dead wild animals to detect wildlife disease outbreaks that may pose a risk to humans. These tools can also provide early warnings of emerging diseases.

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.

Changes in energy R&D needed to combat climate change

A new assessment warns that current imbalances in energy technology R&D portfolios will hinder climate change mitigation unless investments in energy efficiency are increased. Energy efficiency accounts for up to 50% of potential GHG emissions reductions, yet receives less than 10% of overall public sector investment.

Bicarbonate adds fizz to players' tennis performance

A randomized, controlled trial found that sodium bicarbonate supplementation maintained service and forehand ground stroke consistency in tennis players after a simulated match. The study showed no decline in skilled tennis performance in players who received the supplement.

Huge amber deposit discovered in India

A massive amber deposit discovered in India's Gujarat province has yielded over 700 arthropods from 55 different genera, including insects, spiders, and mites. The findings contradict the long-held idea that India was isolated for 100 million years after breaking off from East Africa, suggesting a more complex exchange of species with ...

Unexpected findings of lead exposure may lead to treating blindness

Researchers found that low-level lead exposure during gestation increases retinal progenitor cell proliferation and rod photoreceptor and bipolar cell neurogenesis in mice. This discovery could potentially treat retinal degenerations and blindness by transforming human embryonic retinal stem cells into neurons.

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.

Breast center receives RI Pink Heals donation

The Program in Women's Oncology at Women & Infants Hospital will receive a $5,000 donation from Pink Heals Rhode Island to support the Patient Advocate Program. The program helps eliminate obstacles and stresses for women battling breast cancer by arranging transportation, financial assistance, and other services.

Scientists reveal the sex wars of the truffle grounds

Researchers discovered that black truffles outcross, meaning they have opposite mating types and engage in sexual reproduction. This finding challenges the long-held assumption that truffles reproduce through self-fertilization alone.

Daily vibration may help aging bones stay healthy

Researchers found daily whole body vibration improves bone density around the hip joint and femur, reducing a biomarker of bone breakdown. The technique also stimulates stem cells to differentiate into bone cells, potentially aiding fracture healing. Vibration has shown promise in improving glucose uptake and reducing fatty liver disease.

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.

Growing crops in the city

A case study from Washington State University explores how Urban Agriculture is used to help homeless and underprivileged youth. The CSA program, implemented in Seattle's South Park Neighborhood, provides a weekly box of produce while promoting social skills and employment.

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.

Substantial consumption of fluoride increases chance of mild fluorosis

Research suggests that substantial amounts of fluoride through infant formula and toothpaste may cause mild fluorosis in young children. However, the American Dental Association recommends continued use of fluoridated water and toothpaste due to their proven effectiveness in preventing tooth decay.

Fluke 87V Industrial Digital Multimeter

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

Heavy smoking in midlife may be associated with dementia in later years

A large cohort study found that heavy smoking in middle age was associated with a higher risk of developing Alzheimer's disease and vascular dementia. The study, published in Archives of Internal Medicine, suggests that smoking may affect the development of dementia through both vascular and neurodegenerative pathways.

Stroma may provide key to better cancer treatment

A project led by Mr Hemant Kocher aims to target the stroma surrounding pancreatic cancer tumours, which is believed to drive tumour growth and prevent drug treatments from reaching the tumour. The research may lead to new drug targets for treating pancreatic cancer, a disease with poor survival rates.

Meta Quest 3 512GB

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

Genetic markers offer new clues about how malaria mosquitoes evade eradication

A high-resolution microarray has shed new light on Anopheles gambiae populations, revealing the genes that enable mosquitoes to adapt to insecticides and other preventive measures. This breakthrough provides powerful new insights into the genetics of malaria vectors, supporting public health efforts to contain and eliminate the disease.

Beauty from the bottom up

A new study shows flamingos deliberately apply pigments from their uropygial gland to their feathers for cosmetic and mating purposes. The birds modify the color of their plumage by rubbing their head on their neck, breast, and back feathers, which is more frequent during courtship displays.

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.

JCI table of contents: Oct. 25, 2010

Researchers found that maternal KIRs interacting with fetal HLA-C molecules determine trophoblast invasion, affecting recurrent miscarriage and preeclampsia. Meanwhile, a new approach to treating thrombocytopenia involves infusing mature megakaryocytes into mice to generate functional platelets.

'Judging Edward Teller'

This biography provides fresh insights into Teller's motivations, relationships, and driven personality, drawing from archival material and interviews with prominent figures. It offers a nuanced understanding of the complex scientist behind the 'Father of the H-Bomb' label.

Golden eagles studied by satellite

Scientists are tracking golden eagles with satellite transmitters to identify their favourite habitats and monitor the impact of wind farms. The project aims to determine how wind farms affect eagle populations in northern Sweden.

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.

Common anxiety disorders make it tougher to quit cigarettes

Researchers found that smokers with anxiety disorders were less likely to quit smoking, even when using nicotine lozenges and patches. Anxiety diagnoses were common among study participants, with over a third meeting criteria for at least one anxiety diagnosis.

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.

Chemotherapy plus radiation prevents bladder cancer recurrences

A randomized trial found that adding chemotherapy to radiation therapy for muscle invasive bladder cancer reduces the long-term risk of recurrence by 13 percentage points. The treatment also preserves bladder function, making it a viable alternative to radical surgery for patients with this form of the disease.

Radiation before surgery keeps colorectal cancer from returning

A large randomized study found that preoperative radiation therapy significantly reduces the risk of local recurrence after 10 years for patients with rectal cancer. The treatment, combined with total mesorectal excision surgery, keeps colorectal cancer from returning in 50% of cases.

University of Houston hosts book symposium on Smeltertown, Oct. 28

A new book by UH history professor Monica Perales unearths the history of Smeltertown, a Southwest Border community that was home to generations of ethnic Mexicans. The book symposium will explore the significance of this forgotten community and its place in transnational capitalism.

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 way of expanding cancer screening for minority women

A study at Memorial Sloan-Kettering Cancer Center found that introducing colon cancer screening during routine mammography screening increased minority access to preventive care. The research introduced colon cancer screening to women living in Harlem, resulting in similar colonoscopy findings as the general population.

Celestron NexStar 8SE Computerized Telescope

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