A piece of amber has preserved a 16-million-year-old secret that may change many ideas about the so-called springtail insects. Amber, or amber gum, was produced by extinct coniferous trees when wounded so they could protect themselves from disease. The amber piece found in the Dominican Republic documented an ancient interaction between 25 springtails attached to a large winged termite. Most springtails possess a specialized appendage under their abdomen they use ...