We like to believe we have control over our lives. That if we plan enough, think ahead enough, or prepare for every possible outcome, we can ensure that things will turn out the way we want. But then ...

I wasn't very old, maybe 8 or 10. Dad usually bought some small pigs every year and would feed them out and butcher them. One year he decided to buy an old sow and have her have a batch of pigs. I'd ...

Arousal is regulated by the autonomic nervous system. The first four letters of the name—auto—make it clear regulation should take place automatically. But automatic regulation requires development, ...