Day: September 7, 2026

I posted this over a decade ago. I thought it was time to dust it off and freshen the links. I find it kind of amusing that a large group of people questions the science of global warming (climate change caused by humans burning hydrocarbons). So I thought the best way to illustrate the craziness of the deniers would be to ask: how do you know oxygen exists? Almost all of us took some biology and chemistry in high school. We did some sort of experiment and, hopefully, didn’t blow up the lab. I think that most of us remember the