Crowding

Are we really the only species that matters? I mean did we ever have to learn any of this, get an education all we needed was food, water , and a place to live not rocket science. Seems like we are going into the meaning of life here... By your logic then: Do we need food or water? Why do we need t...

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... and speciation. A mutated gene can recombine in many more ways than before. This increases the chance of finding a combination that is capable of crowding out the original or splitting off, causing it to drop down the hill. But these two effects can not be the cause of sex appearing in evolution. ...

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... the logic in all of your posts is really good and, well, logical. It is an interesting query about the 'trigger'. While I agree that the over-crowding and resource competition makes sense, I can't help but wonder whether there was something more, as I would have thought that life on the ground ...

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... PEG, with magnesium, causes DNA to undergo a “psi” transition and it collapses into a highly condensed state(1). This results in macromolecular crowding(2) and increased efficiency in end-labeling. References: 1. Lerman, L.S. (1971) Proc Natl. Acad Sci, 68, 1886. 2. Harrison, B. and Zimmerman, ...

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The environmental problems that cause so much world-wide concern may mean that the Earth's resources are not less but that we are more. Decades ago, “over-population” was considered a big threat but the dire predictions that were based on it have never been born out. It might seem that with the righ...

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