Bird calls are something we often take for granted. After all, when we listen to them, we hear squawks, warbles, and chirps. Could there actually be information, something complex, that they’re transmitting? Scientists now say “yes” after studying a fun-sounding bird from New Zealand—the pukeko.1
Bird sounds are classified into calls and songs. Calls are simple and short, such as an alarm call. ... More...
Some discoveries stand out, not because they change the story of evolution, but because they show clear design from the start. That is what happened when scientists found a new crocodile-like fossil in Egypt’s Western Desert called Wadisuchus kassabi. At first it may look like another ancient reptile, but a closer look shows something more exciting—a creature built from the start for life in the water, not a half-formed s... More...