Almost the last word.

Spencer Weart Hastings-on-Hudson, New York, US In a large sample of photos, sunsets will, on average, be redder than sunrises because, on average, the air holds more moisture after the warmth of the day. Sundowner Is it possible to distinguish sunrise from sunset from an image (i.e. with no knowledge of the direction in the sky or time of day, and in a time frame with no discernible solar motion)? Pat French Telford, Shropshire, UK To blow a candle out, your breath has to be sudden so that the blast of air carries the hot, burning gas away from the fuel-soaked wick. [Extracted from the article]