I need teaching resources about race: the biology of human "races"; why "race" is not biological but social; how racial categories have shifted over time and place; and related questions on teaching about race? This is as a supplement to reading The Mismeasure of Man in a university "Critical Thinking" class. I need more science and verifiable cross-cultural examples to back up my "there are no biological races" claim. [more inside]
posted on Nov 5, 2007 - 38 answers

"A human is halfway in size between an atom and the known universe"... This is a paraphrased quote I have come across several times. I like it. Who said it first? How true is it in the most literal sense? And, finally, what errors arrive in postulating a universe, or an atom, which can be measured AT ALL from our singular, relativistic, perspective? [more inside]
posted on Feb 18, 2007 - 14 answers

Why do humans and animals(?) urinate from their sex organs? Are these two bodily functions in some way related? Are their examples of animals that pee & have sex with parts of their bodies that are spaced far apart? [more inside]
posted on Jul 22, 2006 - 32 answers

What experiments have been carried out where animals perform better than us at particular cognitive tasks? [more inside]
posted on May 9, 2006 - 13 answers

Is there a limit to scientific advancement? If there is only a certain number of elements to the universe, will there reach a technology plateau?
posted on Jul 17, 2004 - 25 answers