News From the Field
Penn Biologists Demonstrate That Size Matters... In Snail Shells
March 27, 2009
A team of biologists at the University of Pennsylvania has completed a research study begun in 1915 and determined that a snail making its home in the northwest Atlantic Ocean has experienced a dramatic increase in the size of its shell during less than a century, providing a clear illustration of how fast and effectively change can occur.
University of Pennsylvania
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