When a feline gets threatened, it engages in a suite of behaviors that seem to have the purpose of facilitating its own survival. A cat will growl angrily. It will arch its back. And even the fur on ...

The proposal that evolution could be used as a metaphor for problem solving came with the invention of the computer 1. In the 1970s and 1980s the principal idea was developed into different ...

David Toews works for Pennsylvania State University. He receives funding from The National Science Foundation. People typically think about evolution as a linear process where, within a species, the ...

Once upon a time, the United States had a president known for a peculiar facial display. In an act of controlled emotion, he would bite his lower lip and tell his audience, “I feel your pain.” Whether ...