Subliminal messages affect the subconscious mind. Here's some pleasant (and not so pleasant) messages hiding in plain sight.

MYSTERY
The average man produces roughly 525 billion sperm cells over his lifetime and releases, in one way or another, more than one billion of them per month and anywhere from 40 million to 1.2 billion in a single ejaculation.
Reader Brian writes in to ask "Why can you stay on a bicycle when moving, but not when it's standing still?"