image: This is the sporangium of Polypodium aureum during sporangium opening. This image relates to a paper that appeared in the March 16, 2012, issue of Science, published by AAAS. The paper, by X. Noblin at CNRS in Nice, France, and colleagues was titled, "The Fern Sporangium: A Unique Catapult." view more
Credit: Image courtesy of <i>Science</i>/AAAS