Almost all animal species—including humans—have blood cells, but between different species our blood tells different stories. The lineage and components of blood cells vary widely, and this variety is ...
Eight meters above the forest floor in French Guiana, clinging to a branch in the humid tangle of the rainforest understory, ...
It may sound too bizarre to be true, but the Amazon molly (Poecilia formosa), a fish that inhabits rivers, lakes, and swamps ...