News tagged with natural selection theory
Researchers find first-ever 'wanderlust gene' in tiny bony fish
Aug 05, 2009 |
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(PhysOrg.com) -- A gene previously associated with physical traits is also dictating behaviour in a tiny fish widely regarded as a living model of Darwin's natural selection theory, according to a University ...
Texas education board approves science standards (Update)
Mar 27, 2009 |
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(AP) -- Texas will no longer require educators to teach weaknesses of all scientific theories, including evolution.
Scholars contend Darwin based his theories on humans, not animals
Biology /
Feb 15, 2009 |
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Charles Darwin is widely thought to have developed his natural selection theory of evolution after noting differences among finches in the Galapagos Islands.
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The hitchhiker's guide to altruism -- Study explains how costly traits evolve
Biology /
Jan 19, 2007 |
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Darwin explained how beneficial traits accumulate in natural populations, but how do costly traits evolve? In the past, two theories have addressed this problem.
'Armored' fish study helps strengthen Darwin's natural selection theory
Biology /
Aug 28, 2008 |
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Shedding some genetically induced excess baggage may have helped a tiny fish thrive in freshwater and outsize its marine ancestors, according to a UBC study published today in Science Express.
Article Traces History of Darwinian Medicine
Dec 10, 2009 |
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(PhysOrg.com) -- Despite being a founding principle of modern biology for 150 years, evolutionary theory has played a limited role in the field of medicine. Only in the last 20 years has Darwinian medicine emerged as a discipline ...
Natural selection may not produce the best organisms
Biology /
Jul 18, 2008 |
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"Survival of the fittest" is the catch phrase of evolution by natural selection. While natural selection favors the most fit organisms around, evolutionary biologists have long wondered whether this leads to the best possible ...
Altruism in social insects is a family affair
Biology /
May 29, 2008 |
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The contentious debate about why insects evolved to put the interests of the colony over the individual has been reignited by new research from the University of Leeds, showing that they do so to increase the chances that ...
Darwin told us so: Researcher shows natural selection speeds up speciation
Biology /
Apr 02, 2008 |
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In the first experiment of its kind conducted in nature, a University of British Columbia evolutionary biologist has come up with strong evidence for one of Charles Darwin’s cornerstone ideas – adaptation to the environment ...
Darwin's collections 'cocooned' at London museum
Sep 08, 2009 |
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London's Natural History Museum on Tuesday unveiled an eight-storey extension in the shape of a cocoon to house the collections of Charles Darwin.
Genetic differences influence aging rates in the wild
Biology /
Dec 12, 2007 |
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Long-lived, wild animals harbor genetic differences that influence how quickly they begin to show their age, according to the results of a long-term study reported online on December 13th in Current Biology, a Cell Press ...
Are humans still evolving? Absolutely, says new analysis of long-term survey of human health
Oct 19, 2009 |
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Although advances in medical care have improved standards of living over time, humans aren't entirely sheltered from the forces of natural selection, a new study shows.
Ecological speciation by sexual selection on good genes: Is speciation adaptive?
Nov 26, 2009 |
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Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
List of search results for natural selection theory
