Dates of contention
Are the dates quoted in "Stones of Contention: Tiny Homo species tied to ancient tool tradition" (SN: 6/3/06, p. 341) correct? I didn't think Homo existed as a genus 840,000 years ago.
Fossil finds indicate that the Homo genus originated roughly 2.4 million years ago.—B. Bower
No juicy story
"Homegrown Defender: Urinary infections face natural guard" (SN: 6/10/06, p. 355) leads me to ask if this explains the efficacy of that standard home remedy for preventing urinary tract infections: cranberry juice. Does it contain a cathelicidin mimic or some irritant that (benignly) stimulates cathelicidin secretions?
West Liberty, Ky.
There is evidence that the juice can thwart bladder infections, but the mechan