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Viscosity
The property of a liquid that makes it resist flow or any change in the arrangement of its molecules. The higher the viscosity, the "thicker" a liquid seems.
 

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It is impossible to trap modern physics into predicting anything with perfect determinism because it deals with probabilities from the outset.
    Sir Arthur Eddington (1882 - 1944)
 

 
 
 

Other Sciences Articles
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Bacterial Mechanisms of Infection: An Introduction
Author: Yannick Tremblay
 Added: 03/20/2004
 Type: Review
 Average visitor rating of 7.8/10Average visitor rating of 7.8/10Average visitor rating of 7.8/10Average visitor rating of 7.8/10Average visitor rating of 7.8/10Average visitor rating of 7.8/10Average visitor rating of 7.8/10Average visitor rating of 7.8/10Average visitor rating of 7.8/10Average visitor rating of 7.8/10

Bacteria are our friend and foes and some have developed specific mechanism to colonize animals. Commensal bacteria use these mechanism to benefits their host whereas infectious bacteria use the same mechanism as “biological” weapons. In this article I will introduce the fine line that differentiate between friends and enemies.
Mesothelioma
Author: Guest Writer
 Added: 03/01/2004
 Type: Summary
 Average visitor rating of 8.2/10Average visitor rating of 8.2/10Average visitor rating of 8.2/10Average visitor rating of 8.2/10Average visitor rating of 8.2/10Average visitor rating of 8.2/10Average visitor rating of 8.2/10Average visitor rating of 8.2/10Average visitor rating of 8.2/10Average visitor rating of 8.2/10

Mesothelioma is an uncommon form of cancer, associated with prolonged exposure to asbestos, which affects the pleura, a sac which surrounds the lungs, the peritoneum, the lining of the abdominal cavity, or the pericardium, a sac which surrounds the heart...
Your Environment Can Affect Your Health
Author: Guest Writer
 Added: 01/12/2004
 Type: Review
 Average visitor rating of 6.9/10Average visitor rating of 6.9/10Average visitor rating of 6.9/10Average visitor rating of 6.9/10Average visitor rating of 6.9/10Average visitor rating of 6.9/10Average visitor rating of 6.9/10Average visitor rating of 6.9/10Average visitor rating of 6.9/10Average visitor rating of 6.9/10

There are many factors that can cause your physiology to move away from that state of balance in which you enjoy perfect, complete health. One big factor is environment. Climate—temperatures outside...
Impact of the natural universal phylogenetic classification on the evolution of cells theory
Author: Yannick Tremblay
 Added: 10/27/2003
 Type: Review
 Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10

Taxonomy is often seen as a trivial and boring part of biology. For many decades, classification of organisms was based on morphology, behaviour and distribution in the environment. With the advance of molecular biology and the sequencing era, a modern classification tool arose; the small-subunit of ribosomal ribonucleic acid. A new universal phylogenetic tree was born. Recently, a new theory about cellular emerged. The theory was influence by the 16/18S rRNA-based phylogenetic tree.
Are Humans Still Evolving?
Author: Shane Greenup
 Added: 10/20/2003
 Type: Summary
 Average visitor rating of 8/10Average visitor rating of 8/10Average visitor rating of 8/10Average visitor rating of 8/10Average visitor rating of 8/10Average visitor rating of 8/10Average visitor rating of 8/10Average visitor rating of 8/10Average visitor rating of 8/10Average visitor rating of 8/10

It may seem like civilisation has removed all of the selective pressures faced by wild animals, but Natural Selection acts on a lot more than superficial characteristics. Natural Selection is an omnipresent force shaping everything, even the things that we think we are choosing...
Two males getting their own genetic baby... a future possibility?
Author: Guest Writer 2
 Added: 10/19/2003
 Type: Review
 Average visitor rating of 7.5/10Average visitor rating of 7.5/10Average visitor rating of 7.5/10Average visitor rating of 7.5/10Average visitor rating of 7.5/10Average visitor rating of 7.5/10Average visitor rating of 7.5/10Average visitor rating of 7.5/10Average visitor rating of 7.5/10Average visitor rating of 7.5/10

Recently a fertilization technique concieved human embryos with three genetic parents. Would a baby with same-sex parents be possible?
Why do we age?
Author: Shane Greenup
 Added: 09/06/2003
 Type: Summary
 Average visitor rating of 8.7/10Average visitor rating of 8.7/10Average visitor rating of 8.7/10Average visitor rating of 8.7/10Average visitor rating of 8.7/10Average visitor rating of 8.7/10Average visitor rating of 8.7/10Average visitor rating of 8.7/10Average visitor rating of 8.7/10Average visitor rating of 8.7/10

Aging is a result of evolution, not something selected by evolution, but something outside the selective powers of evolution. As research uncovers more and more about the mechanisms behind aging the exact nature of this fact is being realised more and more.
The Consequences of Physical Immortality
Author: Bruce J. Klein
 Added: 07/25/2003
 Type: Interview
 Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10Average visitor rating of 8.5/10

Bruce J. Klein, founder of the Immortality Institute (ImmInst.org) answers questions by 'Kharin' from the Virus Forums. Topics covered: overpopulation, resource scarcity, economic consequences, accelerating change, and the Singularity.

Neural Integration and Electro Potentials
Author: Philip Mathew
 Added: 05/19/2003
 Type: Tutorial
 Average visitor rating of 8.8/10Average visitor rating of 8.8/10Average visitor rating of 8.8/10Average visitor rating of 8.8/10Average visitor rating of 8.8/10Average visitor rating of 8.8/10Average visitor rating of 8.8/10Average visitor rating of 8.8/10Average visitor rating of 8.8/10Average visitor rating of 8.8/10

Just some information I picked up from that neurology mail correspondance course.
Biological Invasion: a Killer alga
Author: Guest Writer 2
 Added: 04/08/2003
 Type: Review
 Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10

The ecological damage that can be done when a foreign agent is introduced into a new niche should not be underestimated. A recent example is that of severe acute respiratory syndrome, SARS, where a virus normally infecting life stock found a new host in humans. Amazing is the example of an alga that has started to take over the coastal regions all over the world. This is a tale of Caulerpa taxifolia.
Look At It This Way - By Steve Mason
Author: Bruce J. Klein
 Added: 02/21/2003
 Type: Review
 Average visitor rating of 8.9/10Average visitor rating of 8.9/10Average visitor rating of 8.9/10Average visitor rating of 8.9/10Average visitor rating of 8.9/10Average visitor rating of 8.9/10Average visitor rating of 8.9/10Average visitor rating of 8.9/10Average visitor rating of 8.9/10Average visitor rating of 8.9/10

There's a line from that classic tune "Old Man River" that goes: …tired a'livin but scared a'dyin. Interestingly enough, that probably sums up the feelings of a significant share of the population. As the average age goes up, an ever-greater number of people are finding that their lives have become decreasingly joyful and increasingly fearful.

Determining Pressure-Dependent Equilibrium Constants
Author: Philip Mathew
 Added: 02/11/2003
 Type: Tutorial
 Average visitor rating of 7.3/10Average visitor rating of 7.3/10Average visitor rating of 7.3/10Average visitor rating of 7.3/10Average visitor rating of 7.3/10Average visitor rating of 7.3/10Average visitor rating of 7.3/10Average visitor rating of 7.3/10Average visitor rating of 7.3/10Average visitor rating of 7.3/10

I finally figured out a way how to relate the equilibrium constant with that of pressure. This article will show you how to do it without going through stacks of paper (hey, at least we are saving trees).
Environmental Risks and Benefits of Transgenic Crops
Author: Guest Writer
 Added: 02/08/2003
 Type: Summary
 Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10Average visitor rating of 9.4/10

It is an indisputable fact that the planet’s soaring human population has caused massively increased demands on both agriculture and livestock production within the last century...
Models of Evolution and Abiogenesis (Part 2 of 3)
Author: Paul Hancock
 Added: 02/07/2003
 Type: Tutorial
 Average visitor rating of 9.6/10Average visitor rating of 9.6/10Average visitor rating of 9.6/10Average visitor rating of 9.6/10Average visitor rating of 9.6/10Average visitor rating of 9.6/10Average visitor rating of 9.6/10Average visitor rating of 9.6/10Average visitor rating of 9.6/10Average visitor rating of 9.6/10

An introduction to some simple computational models utilizing evolutionary theory and genetics.
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