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.

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.

To leave the world better than you found it, sometimes you have to pick up other people's trash.

If the Earth gets hit by an asteroid, it's game over. It's control-alt-delete for civilization.

Recommending or insisting on abstinence has been completely ineffective.

Evolution is the fundamental idea in all of life science, in all of biology. The key to our being here now is time, 4.54 billion (Earth) years of time. Nuclear fission wasn't discovered until long after Charles Darwin and Alfred Russell Wallace published their original books and papers, for example. Our ability to measure atomic masses wasn't developed until long after their deaths. These features of nature enabled us to reckon the age of the Earth and compare it with speciation rates here.

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.