In casual conversation, people often use the word theory to mean "hunch" or "guess": If you forget to put the bread in the breadbox and discover chunks have been taken out of it the next morning, you ...

The Starry Night, Vincent van Gogh, 1889 Art Images via Getty Images Vincent van Gogh’s The Starry Night (1889), which features a sky of swirling blue hues streaked with bright gold, is one of the ...

The burnt toast theory is a metaphor for life that helps people interpret minor inconveniences as having positive ripple effects or a “silver lining.” It’s related to the butterfly effect. While not a ...

Allegations that part of a key 2006 study of Alzheimer's disease may have been fabricated have rocked the research community, calling into question the validity of the study's influential results.