Dark Mysteries: What USO Secrets Lie in the Depths of Our Oceans? (Part 1)
The Earth, this blue planet, has 71 percent of its surface area covered by seawater. Conservative estimates place the total volume of seawater on Earth at about 1.35 billion cubic kilometers. It has been said that we have discovered less than 5 percent of what is in the oceans, and this includes USO secrets (unidentified ...