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Life & Chemistry

NIH investigators find link between DNA damage and immune response

The study, performed by scientists at the National Institute of Environmental Health Sciences (NIEHS), which is part of the National Institutes of Health, is…

Earth Sciences

New Fossil Sheds Light on Buttercup Ancestors’ Evolution

“This fossil opens up a new way of thinking about the evolution of some of the first flowering plants,” said Indiana University Bloomington biologist David…

Life & Chemistry

Poop Reveals an Immigrant in Isle Royale Wolves' Gene Pool

In a journal article published online today in the Proceedings of the Royal Society and in their 2010-2011 annual report, Michigan Technological University…

Health & Medicine

Probiotic bacteria could help treat Crohn's disease

Crohn's disease is a common chronic disorder that affects the gastrointestinal tract and is believed to develop as a result of an aberrant immune response to…

Physics & Astronomy

First Non-Trivial Atom Circuit: Advancements in Atom SQUID

The circuit is “nontrivial” because it includes a circuit element—an adjustable barrier that controls the flow of atom current to specific allowed values. The…

Life & Chemistry

Closer look at cell membrane shows cholesterol 'keeping order'

A team of scientists working at the National Institute of Standards and Technology (NIST) and University of California, Irvine, recently developed a way to…

Power and Electrical Engineering

A measurement first: NIST 'noise thermometry' system measures Boltzmann Constant

The Boltzmann constant* relates energy to temperature for individual particles such as atoms. The accepted value of this constant is based mainly on a 1988…

Life & Chemistry

Microreactors Boost Biodegradable Polymer Innovations

Their recently published work* is a prime example of the value of microfluidics, a technology more commonly associated with inkjet printers and medical…

Materials Sciences

Real-Time Monitoring Enhances Atomic-Microscope Precision

Their technique can both dramatically speed up and improve the accuracy of the most precise and delicate nanoscale measurements done with atomic force…

Physics & Astronomy

Neutral Atoms Mimic Charged Particles in New Study

Reported in the journal Nature Physics,** these synthetic electric fields make each atom in a gas act, individually, as if it were a charged particle, but…

Physics & Astronomy

NIST Launches Online Museum of Quantum Voltage Standards

Quantum voltage standards are among the successful practical applications of superconductivity, so to mark the anniversary, the National Institute of Standards…

Health & Medicine

Build Muscle and Strength: Progressive Resistance Training for Seniors

Getting older doesn't mean giving up muscle strength. Not only can adults fight the battle of strength and muscle loss that comes with age, but the Golden…

Life & Chemistry

It's good to have a shady side: sun and shade leaves play different roles in tree canopies

The shape and physiology of leaves within the tree canopy is not constant, and can vary depending on their position within the tree crown. This phenomenon is…

Health & Medicine

Promising AIDS Vaccine Target Identified: The V3 Loop

The section, a twisting strand of protein known as the V3 loop, is an attractive vaccine target because immune system antibodies aimed at the loop may offer…

Studies and Analyses

Sleep Apnea Increases Death Risk in Older Adults

A study in the April 1 issue of the journal SLEEP suggests that the risk of death is more than two times higher in older adults who have sleep apnea and report…

Health & Medicine

New Tool Transforms Prostate Cancer Diagnosis Without Biopsy

“A biopsy needle does not need to hit a tumor to detect the presence of tumor,” said lead researcher Dan Mercola, M.D., Ph.D., professor of pathology and…

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