Trilobites: An Insect Flees Danger. Suddenly, It Picks Up a Tiny Hitchhiker. When running for safety, aphid nymphs crawl onto the backs of their elders. The adult aphids don’t seem to like it. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Trilobites: Sun Showers and the Science Behind This Weather ParadoxDr. Lawrence Weed, Pioneer in Recording Patient Data, Dies at 93Humans could have base on moon in 30 years and then reach Mars, says Stephen HawkingLondon to New York in 3.5 hours? Breakthrough could see supersonic flights for the massesJerry Nelson, Designer of the Segmented Telescope, Dies at 73Frédérick Leboyer, Who Saw Childbirth Through Baby’s Eyes, Dies at 98