When I was a kid, humans used tools and that made us human, but that's no longer "the truth." Chimpanzees can use a leaf as a sponge to gather water out of a hole. They will lick a stick and put it down a hole to collect insects (termites? ants? I don't know what). They will move things to climb up on to get something they can't reach.
Marty says he thinks maybe elephants will pick up a stick to knock something down that's higher than their trunks. If they haven't, they should.
So what, these days, are "tools"? My computer? Google? Wikipedia? Blogger.com? My new glasses? That electric teakettle I'm about to go and heat water with?
We talk about parenting tools, and people adding to their toolboxes, and those are all in the realm of thought (and action proceeding from thought, but without physical tools).
"Tools" (on the Thinking Sticks blog)
photo by Holly Dodd
__