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Originally posted by MischeviousElf
if anyone is into history... not the old and very innacessable, say the times from 200 ad to 100 AD the signs of evolution are ther. Just visit any reconstruction or preserved housing from these times, obviously no good in the US as the native indians moved house much, and the tribes who did build permanent structures had then torn down, but anywhere in europe.
You will find one thing as a human visiting these places, you have to duck to enter the rooms and most people are too tall to stand up in them. The beds are also a lot shorter than todays. The reason, well obviously, humans are evolving and getting taller, well certainly this has been proved and that selection has meant that today the average adult is a good 1-3 foot taller than his only just 30 generations ago forefathers.
evolution does not exist some say. Evolution is it stopping etc... its here always will be and is soo observable that its almost waving a flag saying hi! im here.
Originally posted by at_risk
In the program it was suggested that we have now no need to evolve as a species. I dont mean evolve in the spiritual sense or even the cultural sense. What i mean is the physical evolution.
Theres a theory that goes around that as modern humans we only use 10% of our brains, was this the same back then?
I know evolution is something that happens over many many years in fact millions of years and this is maybe why i have the thought it has stopped considering my life span isnt even a grain of sand in this time. But i really do think it has stopped.
Mean adult height is an indicator of very long-term (centuries) socioeconomic and nutritional trends in homogeneous populations. At the same time, changes in height have also been shown to be an indicator of long-term (generations) living conditions in homogeneous populations, and thus, a good complement to the usual anthropometric indicators of the medium--and short-term changes. Existing data on rural Bolivia confirm that there has been no significant improvement in health, sanitation and, especially, nutritional conditions in the Aymara and Quechua regions since Bolivia's independence (1825), and that living conditions have rather deteriorated in Amazonia (Beni). From a comparison of generational changes in height it is inferred that during the last several decades, and that conditions have probably worsened for the Quechua population environmental conditions appear to have remained the same for the Aymara population. On the other hand, some recovery in the Amazonia and improvement in the Chaco populations are apparent