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Science News for July 29, 2005


Penn researchers take a big step forward in making smaller circuits

Physicists at the University of Pennsylvania have created a functional electronic circuit using nanotubes, overcoming a major hurdle in the race to create nanotube-based electronics. The researchers used liquid suspensions of carbon nanotubes to create circuits by dipping semiconductor chips into the solution.

SourceUniversity of Pennsylvania·JournalNature Materials·DateJul 29, 2005

Medication eases obsessive-compulsive symptoms

Researchers found that riluzole, a glutamate modulating agent, reduced symptoms in 35% of patients with OCD. The study suggests that riluzole may represent a novel treatment intervention for certain anxiety and mood disorders.

SourceYale University·JournalBiological Psychiatry·DateJul 29, 2005
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.

Hey doc, do I still need this catheter?

A new study by Michigan Medicine found that a simple written-reminder system can reduce urinary catheter use by 7.6% and lead to a significant decrease in hospital-acquired infections. The system's cost is estimated to be lower than the savings it generates, with potential tens of thousands of dollars in annual savings.

SourceMichigan Medicine - University of Michigan·DateJul 29, 2005

Trapping genes that control flower development

Researchers identified 80 genes involved in flower development, shedding light on the regulation of floral organ identity and patterning. The gene trap technique provided a powerful tool for examining gene expression and function, revealing novel insights into floral development.

SourceAmerican Society of Plant Biologists·JournalThe Plant Cell·DateJul 29, 2005

AGU journal highlights - 29 July 2005

Researchers reassess the Hayward fault threat to San Francisco, predict space weather by watching the Sun, and discover a rock-solid source for Martian methane. A large shaking vehicle study found the Hayward fault is angled at 70 degrees to the east, potentially leading to unexpected earthquakes.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateJul 29, 2005
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.

Motoring proteins and genetic disease

Researchers discovered that specific genes allow motor proteins to work together, enabling efficient transport in cilia. This finding provides insight into the molecular mechanisms underlying various human diseases linked to cilia defects.

SourceUniversity of California - Davis·JournalNature·DateJul 29, 2005

HIV therapy success rates similar in developing and developed world, study shows

A recent study found that HIV therapy success rates are similar between developed and non-developed countries, with a general success rate of 60% after 12-18 months on treatment. People in developing countries who received free ART drugs showed a 30% higher rate of success than those who had to pay for their medication.

SourceUniversity of Alberta·JournalClinical Infectious Diseases·DateJul 29, 2005
Fluke 87V Industrial Digital Multimeter

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

Researchers reveal secret of key protein in brain and heart function

Researchers at Brown University have solved a crucial part of the SAP97 protein's structure, allowing them to develop a molecule that can inhibit it. This breakthrough could lead to effective treatments for cardiac and neurological diseases, including learning and memory disorders and drug addiction.

SourceBrown University·JournalJournal of Biological Chemistry·DateJul 29, 2005

Research may provide new link between soft drinks and weight gain

A study of mice found increased body fat despite reduced calorie intake from solid food, suggesting fructose affects metabolic rate and favors fat storage. The research suggests that high-fructose corn syrup in soft drinks may contribute to obesity, with further human studies needed to confirm the findings.

SourceUniversity of Cincinnati·JournalObesity Research·DateJul 29, 2005
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.