Image by John Picken/Wikimedia Commons When aging male Common Loons begin to lose their mojo or die off, females are still going strong—and ready for...

If a bird were to sing “What I Did for Love,” from A Chorus Line, it wouldn’t warble about devoting itself to theater and dance. Although...

We know that the human mind has capacities that are not common in other animals. Some of these capacities seem to be linked with...