The Greatest Show on Earth: The Evidence for Evolution.
2009. (pdf
24 Mb;
html 9 Mb)
Why two sexes exist is still unknown (!)
36,000 sexes–but it’s
better “àdeux”
by D. Saraga REFLEX April 2011, p. 79-81
“For evolutionary biologists, the existence of males and
females is in many ways paradoxical. … The question of
differentiation at the individual level still remains. Why
do most animals have individuals that are either male or
female instead of both?”...
Environment can influence sex ratio of plants: study
"What's cool about this is we did get results," Dr. Spencer
Barrett, a University of Toronto evolutionary biology
professor. "It's the first time it's ever been shown that
the amount of pollen captured by a female affects its sex
ratio."
Most scientists in this country [US] are Democrats. That's a
problem. [Is it?]
A Pew Research Center Poll from July 2009 showed that only
around 6 percent of U.S. scientists are Republicans; 55 percent are Democrats, 32 percent are independent,"
Ideological self-rating among scientists: 52% - liberal, 35%
- moderate and 9% - conservative.