Think of a hypothesis as a card. A theory is a house made of hypotheses.

The lower our self-esteem, the more we're attracted to our opposite, and the higher our self-esteem, the more we are attracted to another like ourselves.

Just because you're unemployed doesn't mean you're not doing anything useful. You are, for example, at least keeping your mother-in-law's wit sharp.

Be able to recognize the dangerous snakes, spiders, insects, and plants that live in your area of the country.

Be able to describe anything visual, such as a street scene, in words that convey your meaning.

If you're wondering if you're dreaming, you're dreaming.

Know how to effectively voice a complaint or make a claim at a retail store.