But everyone who hears these words of mine and does not put them into practice is like a foolish man who built his house on sand. Matthew 7:26 NIV
The species Torquigener albomaculosus was described by David Attenborough as “the greatest artist of the animal kingdom” due to the males’ unique habit of wooing females by creating nests in sand composed of complex geometric designs.
The fine particles that compose shale can remain suspended in water long after the larger particles of sand have been deposited.