News tagged with nervousness

Central nervous system stem cells shed light on mechanism that controls asymmetrical division

Animals consist of many distinct cell types, all of which originate during development from a single cell: the fertilized egg. To generate this vast cellular diversity, the egg and its descendants must divide ...

Biology / Cell & Microbiology

created May 18, 2012 | popularity not rated yet | comments 0

'Green' nanoparticles, that may enhance medication delivery and improve MRI performance

Researchers at Harvard-affiliated McLean Hospital have shown a new category of "green" nanoparticles comprised of a non-toxic, protein-based nanotechnology that can non-invasively cross the blood brain barrier and is capable ...

Nanotechnology / Bio & Medicine

created May 02, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Locked down, RNA editing yields odd fly behavior

Because a function of RNA is to be translated as the genetic instructions for the protein-making machinery of cells, RNA editing is the body's way of fine-tuning the proteins it produces, allowing us to adapt. The enzyme ...

Biology / Biotechnology

created Apr 24, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Pesticides not sole cause of declining bee numbers

(PhysOrg.com) -- Despite a growing worldwide clamor to ban pesticides linked to honey bee deaths, multiple factors contribute to the declining honey bee population, not just one class of insecticides, says Extension Apiculturist ...

Biology / Plants & Animals

created Mar 20, 2012 | popularity 5 / 5 (1) | comments 0

Researchers replicate slime mold with brainless amoeboid robot that can move toward an attractant

(PhysOrg.com) -- Takuya Umedachi has been working for several years to build a robot that can replicate the simple actions of the common slime mold, an organism that can move towards something it desires without ...

Electronics / Robotics

created Mar 14, 2012 | popularity 3.7 / 5 (3) | comments 4 | with audio podcast weblog

Neurons from stem cells could replace mice in botulinum test

(PhysOrg.com) -- Using lab-grown human neurons, researchers from the University of Wisconsin-Madison have devised an effective assay for detecting botulinum neurotoxin, the agent widely used to cosmetically smooth the wrinkles ...

Biology / Biotechnology

created Feb 06, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Making the worms turn

To biophysicist Aravinthan Samuel, the roundworm Caenorhabditis elegans provides a pathway to understanding the brain and nervous system, first of the worm, then of higher animals, and even, perhaps, of humans.

Biology / Biotechnology

created Feb 03, 2012 | popularity not rated yet | comments 0

Carbon dioxide affecting fish brains: study

Rising human carbon dioxide emissions may be affecting the brains and central nervous systems of sea fish, with serious consequences for their survival, according to new research.

Space & Earth / Environment

created Jan 16, 2012 | popularity 4.1 / 5 (15) | comments 15

Breakthrough model reveals evolution of ancient nervous systems through seashell colors

Determining the evolution of pigmentation patterns on mollusk seashells—which could aid in the understanding of ancient nervous systems—has proved to be a challenging feat for researchers. Now, however, through ...

Biology / Evolution

created Jan 12, 2012 | popularity 3 / 5 (1) | comments 3 | with audio podcast

Flexible adult stem cells, right there in your eye

In the future, patients in need of perfectly matched neural stem cells may not need to look any further than their own eyes. Researchers reporting in the January issue of Cell Stem Cell, a Cell Press publication, have identi ...

Biology / Cell & Microbiology

created Jan 05, 2012 | popularity not rated yet | comments 3

New system may one day steer microrobots through blood vessels for disease treatment

Researchers use a magnetic field to generate both side-to-side and corkscrew-like motions of tiny robots.

Physics / General Physics

created Dec 16, 2011 | popularity 5 / 5 (4) | comments 3

Fighting Parkinson's with carbon nanoparticles

One of the problems affecting the human nervous system is dopamine deficiency. But testing of dopamine concentration is costly and requires sophisticated equipment not available in a doctor's office. Enter ...

Nanotechnology / Bio & Medicine

created Nov 29, 2011 | popularity not rated yet | comments 0

Scientists uncover new role for gene in maintaining steady weight

Against the backdrop of the growing epidemic of obesity in the United States, scientists from the Florida campus of The Scripps Research Institute have made an important new discovery regarding a specific gene that plays ...

Chemistry / Biochemistry

created Nov 23, 2011 | popularity 4.2 / 5 (6) | comments 2 | with audio podcast

Microsoft engineer envisions computers that adapt to us

For decades, we controlled computers with a mouse and keyboard. The plastic mouse became a prosthetic for our hand, and the keyboard an extension of our fingers.

Technology / Hi Tech & Innovation

created Oct 20, 2011 | popularity 3 / 5 (2) | comments 0

Optimal modulation of ion channels rescues neurons associated with epilepsy

New research successfully reverses epilepsy-associated pathology by using a sophisticated single-cell modeling paradigm to examine abnormal cell behavior and identify the optimal modulation of channel activity. The study, ...

Chemistry / Biochemistry

created Oct 18, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Nervousness

Nervousness may refer to:

For more information about Nervousness, read the full article at Wikipedia.
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