The discovery of our
meagre gene numbers - by two major groups of international scientists
- reveals that environmental influences are vastly more powerful
in shaping the way humans act.
Accumulating data support a critical involvement of dopamine
in the modulation
of neuronal activity related to cognitive processing. The amygdala is a
major
target of midbrain dopaminergic neurons and is implicated in learning and
memory processes.
Are fruit flies the key to solving human's addiction
to cocaine? Scientists at Howard Hughes Medical Institute have found that
the fruit fly possesses a protein in its nervous system that mirrors the
effect of cocaine in human beings.
The publication in 1859 of The Origin of Species was
one of the most significant events in the history of science. Evolution
became and still is the primary organising framework for biological theories.
