From an evolutionary standpoint you can't just wipe everything out and start over, and I don't think you can do it in the school system either.

History is but the record of the public and official acts of human beings. It is our object, therefore, to humanize our history and deal with people past and present; people who ate and possibly drank; people who were born, flourished and died; not grave tragedians, posing perpetually for their photographs.

No matter what you may believe spiritually or otherwise, the Earth is clearly not 6,000 or 10,000 years old.

The most serious problem facing humankind is climate change.

The strange thing about grinding that might surprise many people is that you can grind things and shape them using materials that are generally somewhat softer than the thing you're grinding and shaping.

If you look back on all the teachers that you liked, I am sure you will find they were very entertaining.

Anybody who grew up with the space program is a fan of science fiction.