For all my life, America was the place to be. And we somehow continue to be the place where there are real opportunities to change the world for the better.
Science seldom proceeds in the straightforward logical manner imagined by outsiders. Instead, its steps forward (and sometimes backward) are often very human events in which personalities and cultural traditions play major roles.
Racists have often used pseudoscience to justify their socially damaging views; watch these films to see how science, by replacing ignorance with knowledge, can undo that damage.
The brain is the last and grandest biological frontier, the most complex thing we have yet discovered in our universe. It contains hundreds of billions of cells interlinked through trillions of connections. The brain boggles the mind.
Today, the theory of evolution is an accepted fact for everyone but a fundamentalist minority, whose objections are based not on reasoning but on doctrinaire adherence to religious principles.
