Hand to mouth
"Skin proves poor portal for arsenic in treated wood" (SN: 7/24/04, p. 62: Skin proves poor portal for arsenic in treated wood) shouldn't make parents any less wary of allowing their children to come in contact with the chromated-copper arsenate wood structures. What children pick up on their hands from a deck or play set may wind up inside via hand-to-mouth transfers.
John Peterson Myers
White Hall, Va.
"Early life forms had a modular structure" (SN: 7/31/04, p. 78: Early life forms had a modular structure) is the most amazing paleontological article I think I have ever read. You state calmly that these "Canadian fossils are the oldest known examples of large, multicellular creatures" and that this type of creature "doesn't appear to be related to any organisms that have lived since." Would you please follow up on this discovery a