(informal) The large boost in sales or popularity of products and services endorsed by Oprah Winfrey on her television chat show.

The phenomenon whereby the premature announcement of a new product leads customers to cancel or defer orders for the existing product, since it will soon become obsolete.

The capacity to see full-color (if muted) images solely by looking at a photograph with red and gray wavelengths.

(astrology) A purported statistical correlation between a person's athletic success and the position of the planet Mars relative to the horizon at the time and place of their birth.

The low life expectancy and poor health of residents of Glasgow, Scotland, compared to the rest of the United Kingdom and Europe and after controlling for income disparities.

The hypothesized phenomenon that the future life expectancy of certain nonperishable things (such as a technology or an idea) is proportional to their current age, so that every additional period of survival implies a longer remaining life expectancy.

(physics) The predicted spontaneous creation of particle-antiparticle pairs in the presence of an extremely strong electric field.

(medicine) The emergence or reemergence of symptoms, often with greater severity, when a medicine prescribed to suppress the original symptoms is reduced or discontinued.

(nautical) The effect of suction from the nearside shore or close watercourse bed, caused by the Bernoulli effect making a low pressure zone in the constricted region, leading vessels to be drawn to that surface.

A philosophy and social movement that advocates the use of evidence and reasoning to determine the most effective ways to benefit others.