Pretty standardReader comment on: Photo of the Day Submitted by David (United States), Feb 21, 2012 12:21 Signs like this are pretty common in science museums and zoos. The National Zoo has a sign by the bald eagles giving Rachel Carson credit for banning DDT and saving the eagles, even though it's no longer clear that DDT had the effect that Carson claimed. Note: Comments are moderated by the editor and are subject to editing. Other reader comments on this item
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