The URLs below discuss interesting new evidence for the use of
bone tools by Australopithecus (and/or early Homo genus) to
collect termites for food. The first URL below includes close-up
photos of the microwear on the bone fossils vs. test tools created
by the researchers.

http://news.bbc.co.uk/hi/english/sci/tech/newsid_1119000/1119359.stm

http://dailynews.yahoo.com/h/nm/20010116/sc/humans_dc_1.html

Tom Billings
http://www.beyondveg.com