News tagged with activity levels


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Search results for activity levels


Scientists identify protein that keeps stem cells poised for action

Biology / Cell & Microbiology

created Dec 24, 2009 | popularity not rated yet | comments 0

Like a child awaiting the arrival of Christmas, embryonic stem cells exist in a state of permanent anticipation. They must balance the ability to quickly become more specialized cell types with the cellular chaos that could ...


Phragmites partners with microbes to plot native plants' demise

Biology / Ecology

created Dec 23, 2009 | popularity not rated yet | comments 0

University of Delaware researchers have uncovered a novel means of conquest employed by the common reed, Phragmites australis, which ranks as one of the world's most invasive plants.


Understanding interaction in virtual worlds

Technology / Computer Sciences

created Dec 23, 2009 | popularity 3 / 5 (7) | comments 0

New cinema blockbuster, Avatar, leapt to the top of box office charts as soon as it came out — a stunning 3D realisation of an alien world. Our fascination with themes of escape to other fantastic places and the thrill of ...


Adjusting acidity with impunity

Adjusting acidity with impunity

Chemistry / Analytical Chemistry

created Dec 22, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- How do individual cells or proteins react to changing pH levels? Researchers at the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, have developed a technique ...


Could acetaminophen ease psychological pain?

Medicine & Health / Psychology & Psychiatry

created Dec 22, 2009 | popularity 3.8 / 5 (5) | comments 1

Headaches and heartaches. Broken bones and broken spirits. Hurting bodies and hurt feelings. We often use the same words to describe physical and mental pain. Over-the-counter pain relieving drugs have long been used to alleviate ...


New human reproductive hormone could lead to novel contraceptives

New human reproductive hormone could lead to novel contraceptives

Medicine & Health / Research

created Dec 22, 2009 | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- Nearly 10 years after the discovery that birds make a hormone that suppresses reproduction, University of California, Berkeley, neuroscientists have established that humans make it too, opening ...


Scientists take important step toward the proverbial fountain of youth

Medicine & Health / Research

created Dec 22, 2009 | popularity 4.7 / 5 (6) | comments 0

Going back for a second dessert after your holiday meal might not be the best strategy for living a long, cancer-free life say researchers from the University of Alabama at Birmingham. That's because they've shown exactly ...


We now know that the brain controls the formation of bone

Medicine & Health / Research

created Dec 22, 2009 | popularity 5 / 5 (5) | comments 0

The brain acts as a profound regulatory centre, controlling myriad processes throughout the body in ways we are only just beginning to understand. In new findings, Australian scientists have shown surprising connections between ...


Enzyme necessary for development of healthy immune system

Medicine & Health / Research

created Dec 22, 2009 | popularity not rated yet | comments 0

Mice without the deoxycytidine kinase (dCK) enzyme have defects in their adaptive immune system, producing very low levels of both T and B lymphocytes, the major players involved in immune response, according to a study by ...


Study shows immune system protein involved in reprogramming adult cells to express stem cell genes

Biology / Cell & Microbiology

created Dec 22, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Scientists have discovered a protein required to quickly and efficiently reprogram human skin cells to express embryonic stem cell genes.



List of search results for activity levels