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Science News for March 6, 2011


Rehabilitation within a day of knee replacement pays off

Starting rehabilitation within 24 hours of knee arthroplasty surgery can significantly improve pain management, range of motion, and muscle strength. This early intervention also leads to shorter hospital stays, fewer complications, and reduced risk of secondary infections, making it a potential game-changer for patients and hospitals.

SourceSAGE·JournalClinical Rehabilitation·DateMar 6, 2011

New instrument keeps an 'eye' on nanoparticles

The new instrument, developed at UCSB, can detect nanoparticles in fluid at rates of up to half a million particles per second. It measures the volume of each nanoparticle for rapid and precise size analysis of complex mixtures.

SourceUniversity of California - Santa Barbara·JournalNature Nanotechnology·DateMar 6, 2011
Apple iPhone 17 Pro

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

Cardiac catheter that can do it all

A new, multifunctional catheter developed by Northwestern University and the University of Illinois can perform all necessary medical devices for cardiac ablation therapy in one minimally invasive procedure. The device combines diagnostic and treatment capabilities, improving clinical arrhythmia therapy by reducing steps and costs.

SourceNorthwestern University·JournalNature Materials·DateMar 6, 2011

Gene responsible for severe osteoporosis disorder discovered

Scientists have identified NOTCH2 as the causative gene for Hajdu-Cheney syndrome, a rare disorder characterized by progressive bone loss and osteoporosis. The study provides vital insight into possible causes of osteoporosis and highlights the gene as a potential target for treating the condition.

SourceKing's College London·JournalNature Genetics·DateMar 6, 2011
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.

Elderly see pedestrians half as often as younger drivers, according to Ben-Gurion U. researchers

Research at Ben-Gurion University of the Negev found that elderly drivers are less likely to detect pedestrians on sidewalks and react in time. They attempt to cope with hazards by reducing speed, but may still be vulnerable to accidents. The study's findings highlight the need for increased awareness among elderly drivers.

SourceAmerican Associates, Ben-Gurion University of the Negev·JournalAccident Analysis & Prevention·DateMar 6, 2011

Leicester leads on heart attack genetic link discovery

A large-scale study led by the University of Leicester has discovered 13 new genes that increase the risk of heart attacks. The research, known as CARDIoGRAM, involved over 140,000 participants and 167 clinicians from around the world.

SourceUniversity of Leicester·JournalNature Genetics·DateMar 6, 2011

Scripps Research scientists develop new test for 'pluripotent' stem cells

A new diagnostic test called PluriTest enables researchers to determine the quality of pluripotent stem cell lines with remarkable sensitivity and specificity. The test uses a detailed molecular model of normal pluripotent cells to identify genomic aberrations, alerting scientists to perform additional analysis.

SourceScripps Research Institute·JournalNature Methods·DateMar 6, 2011
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.

Newly identified cell population key to immune response

Scientists have identified a distinct group of effector regulatory T cells responsible for suppressing immune responses. The discovery has significant repercussions for the treatment of autoimmune diseases, organ transplantation, and cancer, as well as how the efficacy of newly developed drugs is measured.

SourceWalter and Eliza Hall Institute·JournalNature Immunology·DateMar 6, 2011

Japanese scientists use alcoholic drinks to induce superconductivity

Researchers at the National Institute for Materials Science found that immersion in heated alcoholic beverages increased superconducting ability of iron-based compounds. Red wine was shown to induce best properties, suggesting another component may be key.

SourceIOP Publishing·JournalSuperconductor Science and Technology·DateMar 6, 2011
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.

Landmark study links 13 new genes to heart disease

A massive study has identified 13 new genes linked to coronary artery disease, with most operating through unknown mechanisms. The discovery opens up new avenues for therapies and highlights the complexities of heart disease.

SourceUniversity of Ottawa Heart Institute·JournalNature Genetics·DateMar 6, 2011