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Science News for January 6, 2013


Most-used diabetes drug works in different way than previously thought

A team of researchers at the University of Pennsylvania School of Medicine discovered that metformin suppresses glucagon's ability to generate a signaling molecule, pointing to new drug targets. This finding could lead to improved diabetes treatments with reduced side effects.

SourceUniversity of Pennsylvania School of Medicine·JournalNature·DateJan 6, 2013

Study reveals ordinary glass's extraordinary properties

Ultrastable glasses have been produced in days or hours with properties matching those of thousands-year-old materials. These advancements could lead to stronger metals and faster-acting pharmaceuticals., Computer simulations confirmed the findings, revealing a correlation between molecular structure and physical properties.

SourceUniversity of Chicago·JournalNature Materials·DateJan 6, 2013
Apple iPhone 17 Pro

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

A new phase in reading photons

A new JQI photodetector uses an adaptive network of detectors with feedback to read quantum information with minimal uncertainty. By combining multiple stages and using phase reference waves, the system can beat the standard quantum limit for quaternary encoding.

SourceJoint Quantum Institute·JournalNature Photonics·DateJan 6, 2013

A new approach to assessing future sea level rise from ice sheets

Researchers used structured expert elicitation to assess future sea level rise from ice sheets, predicting a 29cm median estimate by 2100. The study's findings suggest a conceivable risk of a rise of greater than 1m by 2100, with uncertainties surrounding the cause of recent ice sheet mass loss.

SourceUniversity of Bristol·JournalNature Climate Change·DateJan 6, 2013
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.

How the kilogram has put on weight

Researchers at Newcastle University used X-ray Photoelectron Spectroscopy (XPS) to analyze the build-up of hydrocarbons on replica kilograms, finding that a suntan could help remove contamination and bring prototype weights back to their ideal mass. The study highlights the significance of maintaining precise measurements in internatio...

SourceNewcastle University·JournalMetrologia·DateJan 6, 2013

Counting the cost of mercury pollution

A new study estimates that up to 1.5 million EU children are born each year with mercury exposures above the safe limit, resulting in a potential lifetime earning loss of €8-9 million per person. Exposure reduction could equate to €10 billion per year in benefits.

SourceBMC (BioMed Central)·JournalEnvironmental Health·DateJan 6, 2013

Living cells behave like fluid-filled sponges

Scientists from University College London have found that animal cells exhibit poroelastic behavior when mechanically stimulated, similar to organs within the body. The rate of cell deformation is limited by how quickly water can redistribute within the cell interior.

SourceUniversity College London·JournalNature Materials·DateJan 6, 2013
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.

The pain puzzle: Uncovering how morphine increases pain in some people

A research team from Université Laval has discovered a molecular pathway by which morphine can increase pain, leading to potential new strategies to improve treatment of post-operative and chronic pain. The researchers identified specialized cells called microglia as the culprit behind morphine-induced pain hypersensitivity.

SourceUniversité Laval·JournalNature Neuroscience·DateJan 6, 2013

From the Amazon rainforest to human body cells: Quantifying stability

Scientists at Potsdam Institute for Climate Impact Research propose a new method for measuring system stability, which could help predict tipping points in the Amazon rainforest and assess cancer risk. By analyzing data from diverse systems, researchers found that basin stability is a key factor in determining stability.

SourcePotsdam Institute for Climate Impact Research (PIK)·JournalNature Physics·DateJan 6, 2013

Genetic mystery of Behcet's disease unfolds along the ancient Silk Road

Researchers have identified four new regions on the human genome linked to Behcet's disease, which is characterized by inflammation of blood vessels and potential blindness. The study provides insights into genetic factors contributing to the disease and suggests new therapies for treatment.

SourceNIH/National Human Genome Research Institute·JournalNature Genetics·DateJan 6, 2013