Reasons to Believe

Did Surfing Snails Evolve?

National Geographic, "How Bubble-Rafting Snails Evolved" Oct 19, 2011; http://news.nationalgeographic.com/news/2011/10/pictures/111019-about-sea-snail-mucus-bubble-rafts/?source=link_fb20111020news-snail

Subjects: Evolutionary Trees