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Science News Archive 2011


Page 272 of 311

Pollution with antibiotics leads to resistant bacteria

Swedish scientists reveal that pollutants from Indian factories are breeding resistance genes in river bacteria, posing a global risk for untreatable diseases. The study's novel DNA sequencing approach may also aid future hospital research.

Apple iPhone 17 Pro

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

Shellshock: New report lists 25 most endangered turtle species

The Wildlife Conservation Society has released a report listing 25 most endangered turtle species, many of which are found in Asia and are threatened by illegal hunting for food and the pet trade. The report calls for better enforcement of trade laws, habitat protection, and captive breeding to prevent extinction.

JCI table of contents: Feb. 21, 2011

Researchers have discovered a new cellular mechanism underlying hydronephrosis, a common congenital defect in the kidney. They found that the Hedgehog signaling pathway controls the development of cells required for urine flow, and genetic mutations can impair this process. The study also suggests potential therapeutic targets and gene...

Climate change affecting food safety

Climate change is affecting the world's food supply by altering temperature patterns and causing extreme weather events like droughts and heavy rains. As a result, crops are being wiped out, leading to higher prices and health issues.

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.

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.

Sustainability solutions need the power of networks

Researchers are studying how social networks can be leveraged to effectively communicate sustainability science and make informed decisions. By analyzing the structure of social networks, scientists can identify key influencers who can spread information and have a dialogue with them.

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.

Smallest magnetic field sensor in the world

Researchers from KIT and IPCMS have developed the world's smallest magnetic field sensor using organic molecules. This breakthrough has significant potential for increasing reading speed and data density in hard disks and non-volatile memories.

Cold winters mean more pollution

Researchers found a strong link between climate and air pollution in Gothenburg, where extreme cold air from Siberia leads to high nitrogen oxide concentrations. The study, published in Atmospheric Environment, shows that air quality standards were exceeded more frequently during negative NAO phases.

High cholesterol and blood pressure in middle age tied to early memory problems

A recent study found that individuals with high cholesterol and blood pressure in middle age are more likely to experience early cognitive decline and memory problems. The research, which tracked over 4,800 participants for 10 years, showed a significant association between cardiovascular risk factors and poorer cognitive test scores.

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.

Water, water, everywhere... but is it safe to drink?

Canada Research Chair Barbara Sherwood Lollar's research examines the effectiveness of bioremediation technologies in cleaning up groundwater contamination. Her techniques use isotopic signatures to track clean-up progress, providing a critical framework for regulators and practitioners.

Floating spores kill malaria mosquito larvae

Researchers have developed a method to disperse pathogenic fungi as a means of preventing malaria spread, using synthetic oil to increase dispersal effectiveness. The fungi cause muscardine disease in mosquito larvae, killing up to 50% more larvae than untreated spores and reducing pupation levels.

Too hot, too cold, just right: Testing the limits of where humans can live

Researchers study island settlements to understand human resilience and capacity for colonization. Mobility, social networks, and knowledge of the local environment helped indigenous people survive in the face of natural disasters and climate change. The findings inform how we adapt to vulnerabilities and rebound from catastrophes.

Using amphetamines may increase risk of Parkinson's disease

Using amphetamines like Benzedrine and Dexedrine may increase the risk of developing Parkinson's disease, according to a new study. The research, which followed 66,348 participants in northern California, found that those who used these drugs were nearly 60% more likely to develop the condition.

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.

Manipulating molecules for a new breed of electronics

Scientists have successfully controlled the electrical conductance of a single molecule by manipulating its mechanical properties. The research uses a type of molecule called pentaphenylene and demonstrates that changing the tilt angle can increase conductance up to 10 times, thanks to lateral coupling effects.

Arizona State University archaeologist models past and future landscapes

Archaeologist C. Michael Barton is revolutionizing the field of archaeological modeling by integrating new methods with a radical shift in thought. His research suggests that even small communities can experience significant environmental impacts from practices like shifting cultivation and grazing.

How to leave your body

Researchers can manipulate the brain's perception of its own body, allowing for new prosthetic limbs and virtual reality experiences. This technology has significant implications for fields like medicine, psychology, and robotics.

Trichinosis parasite gets DNA decoded

Researchers at Washington University School of Medicine have decoded the genome of Trichinella spiralis, a parasite that causes trichinosis, identifying unique features and novel genes that could lead to effective treatments. The study has implications for understanding parasitic diseases worldwide.

Meta Quest 3 512GB

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

One Health: From ideas to implementation, rhetoric to reality

The One Health concept aims to integrate surveillance activities across species to monitor and respond to emerging zoonotic diseases. ProMED-mail's global surveillance system has reported over 10,000 animal health issues, highlighting the need for improved interspecies collaboration.

How many will we be? Are population estimates off the mark?

The actual population trajectory is highly uncertain, with scenarios predicting a peak of 9.5 billion before stabilization or decline. Investments in family planning could reduce the number of people to 8 billion, having a beneficial impact on human welfare and environmental issues.

Spent nuclear fuel is anything but waste

The US lags behind other countries in nuclear fuel recycling due to unfounded concerns and myths. Reprocessing spent fuel can recover significant energy value and reduce high-level nuclear waste volume.

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.

Groundbreaking technology will revolutionize blood pressure measurement

A new blood pressure measurement device using CASP has been developed to provide more accurate readings than current methods. The device, invented by scientists at the University of Leicester and HealthSTATS International, measures pressure close to the heart, leading to better treatment decisions and patient outcomes.

Look after your brain

Swedish scientist Laura Fratiglioni's research shows that active mental, physical, and social activities can preserve cognitive functions and lower the risk of developing dementia. Factors such as blood pressure, weight, and genetics also play a role in determining an individual's risk.

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.

Macavity wasn't there! How absent reoviruses kill cancer

New research shows reovirus-infected cancer cells release pro-inflammatory proteins that recruit and activate white blood cells, killing cancer. A cellular signalling protein, Ras, is abnormally activated in many cancers, providing a window of opportunity for reovirus infection.

New assessment of black carbon and tropospheric ozone's role in climate change

The Integrated Assessment of Black Carbon and Tropospheric Ozone identifies emission reduction measures that can immediately protect climate, public health, and ecosystems. Implementing these measures could reduce future global warming by 0.5oC and potentially halve the projected increase in global temperature by 2050.

Relatives of melanoma patients ignore their skin cancer risk

A new study found that young people with a family history of melanoma are still ignoring sun safety advice, despite being aware of the risks. The research showed that younger women in particular viewed tanning as healthy and were less likely to use sunscreen.

Is the link between poverty and water-related disease making rich people sick?

A new study by Kate Mulligan examines the connection between cities, water, and health, finding that even in wealthy cities with excellent public services, dengue fever still spreads due to environmental factors. The research suggests that traditional links between poverty and water-related diseases may be overstated.

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.

Plants that can move inspire new adaptive structures

Plant-based researchers are developing adaptive structures inspired by Mimosa's ability to twist, bend, stiffen, and heal. Artificial cells mimic the mechanisms behind plants' nastic motions, leading to innovative technologies like shape-changing robots and morphing wings for airplanes.

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.

Super-sharp radio 'eye' remeasuring the universe

Scientists have extended a directly-measured 'yardstick' three times farther into the cosmos using the super-sharp radio vision of the VLBA. New measurements have placed a galaxy at 450 million light-years from Earth, with implications for understanding Dark Energy and the expansion rate of the Universe.

Hamstring grafts prove more effective in ACL knee reconstruction, study says

A study published by the American Orthopaedic Society for Sports Medicine found that patients receiving hamstring tendon grafts had lower rates of pain and mobility issues 15 years after ACL knee reconstruction. The results showed a higher activity level in those with hamstring grafts, with 77% able to perform strenuous activities.

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.

AAAS Symposium: New research facilitates scientific knowledge transfer

New research provides urgently needed solutions to resolve the reproducibility crisis in computational science by creating a registry for computational results, open licenses for intellectual property framework, and technical communication methodologies. This enables wider availability of scientific knowledge and detects flawed science.

American Cancer Society honored for work in palliative care

The American Cancer Society has received a Presidential Citation Award from the American Academy of Hospice and Palliative Medicine for its efforts in promoting palliative care for patients with cancer. The organization has funded over $7 million in research grants to improve quality of life for patients, survivors, and their families.

Tip sheet: Caltech researchers presenting at AAAS

At this year's AAAS meeting, Caltech researchers will present topics ranging from solar and renewable energy solutions to the latest advancements in bioengineering. Nathan Lewis will discuss strategies for achieving clean energy goals and generating clean fuels from sunlight and water.

Enhancing nuclear security: Training and international collaboration

The European Commission's Joint Research Centre has created a European nuclear security training centre to train first responders at the EU level. The centre offers a balanced approach between theoretical lectures and hands-on sessions, covering topics such as nuclear forensics and radiological crime scene management. International col...

Celestron NexStar 8SE Computerized Telescope

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