Natural Science Forum / Biology / Evolution / July 2009

For me, evolutional ideas stress  fight and flight too much. More and
more that is not the evolutionary goal. More and more it is symbiosis.
The power of symbiosis in evolution rivals the fight and flight
strategy and IMO is more important. Lynn Margulis is notable for

I want to ask why complex animals are usual divided into sexes and are
not intersexual. I know some evolutionary explanation for advantages
of sexual reproduction against asexual, but I've never heard
explanation why sexual reproduction is not made by pairs of

Mysteries of Sleep are Unfolding.
Here is a hypothesis that suggests that sleep is half of the
metabolism process for humans.  Here is a quick summary.
The body has a metabolism cycle that has two parts The first part is

How do emotions evolve? I suggest that two of the main ones evolved directly from two of the 4 options that are set up when you have a cell membrane. Those are ANGER and FEAR
Four options are set up once a cell membrane is created:
1. Take in nurturing
2. block out non nurturing

I found the answer is in this website:
http://www.humansfuture.org
It contains scientific and speculative articles and ideas about the
future of human evolution regarding to artificial intelligence,

[moderator's note: Article originally posted in MIME format, and edited
to flat text by me. Folks, POST IN ASCII. No binaries allowed. - JAH]
http://en.wikipedia.org/wiki/Sleep
Wikipedia says