Natural Science Forum / Biology / Evolution / October 2005

"Jim McGinn" jimmcginn@yahoo.com wrote:-

I apologize in advance if this question has already been asked, so
please bear with me.
Suppose two species (Species A and B) that were of the same Family but
different Genus were to mate and successfully produce an offspring, how

http://www.world-science.net/othernews/051026_chimpfrm.htm
"Joan Silk of the University of California, Los Angeles and colleagues
conducted a study that they said confirmed this, showing chimps are
uninterested in doing a friend a good turn, even at no cost to themselves.

Non-coding DNA adapts
Drosophila non-coding DNA exhibits both negative and positive selection
By Melissa Lee Phillips
Much of the "junk" DNA in Drosophila shows signs of either negative or

"Robert Karl Stonjek" rstonjek@bigpond.net.au wrote:-

name_and_address_supplied@hotmail.com wrote:-

Criticisms of Hamilton's thinking in this group are common - and
rarely seem to be received very well, so it's with some hesitation
that I post on a related subject.
One of the fairer criticisms of Hamilton's thinking I've seen here

Published online: 20 October 2005; | doi:10.1038/news051017-14
Cells found to have emergency RNA reserves
Spare sets of protein producers allows cells to respond fast to stress.
Roxanne Khamsi

"g" gillawton@earthlink.net wrote:-

Catherine Woodgold wrote:-

Bird-like dinosaur forces rethink
A rooster-sized dinosaur with a long, slender snout and wing-like limbs is
forcing a rethink on bird evolution.
The 90 million-year-old reptile belongs to the same sickle-clawed group of

A fellow who is not a biologist but follows bizzare findings in the
sciences told me that some microbiologists had observed small round
objects that were too small to contain DNA (something about the
bending radius of DNA) yet could be cultured like cells.  I forgot

Hydrogen Cyanide seem to be a key ingredient in origin scenarios
"When hydrogen cyanide condenses under the conditions described...
for the syunthesis or amino acids, it also yields purines and pyrimidines."
If we need hydrogen cyanide then that is a clue to the

Nature 437, 1149-1152 (20 October 2005) | doi: 10.1038/nature04107
Adaptive evolution of non-coding DNA in Drosophila
Peter Andolfatto
A large fraction of eukaryotic genomes consists of DNA that is not