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The collection process continues until the agency determines it is no longer cost effective to pursue collection . This will only make the mucus more fluid and sticky . Predation , however , does not seem to be frequent enough to be very effective in controlling the population . " A : I think people will be surprised when they read the stories of the various teenaged patients in this book and recognize them as kids who could be their children , their daughters or sons , their nieces or nephews , their neighbors . If you are a specialist who would like to work on our material or if you would like to make a donation of specimens to our collections please contact the curator , Dr. Rich Mooi .