· When you're sitting on the sand looking at the horizon, it’s about 3 miles (4.8 km) away. · The world’s oceans contain nearly 20 million tons (18.1 mt) of gold. · The High Seas -- areas of the ocean beyond national jurisdiction -- cover almost 50 per cent of the earth's surface. · An average beach pail, roughly a quart, holds about 3.5 million grains of sand. · High waves pull sand out into the ocean;... [read more]