Not only does the earth contain hidden answers for archeologists, it has answers for water researchers as well.
The vadose zone, the layer of earth that lies between topsoil and groundwater, could have answers for drought prediction and mitigation according to the fall 2012 txH2O article, Unlocking secrets of the vadose zone.
Understanding the vadose zone could be the key to managing water, reducing the risk of drought and flood, improving agricultural lands and ecosystems while enabling scientists to better track environmental pollutants that are harmful to ecosystems and groundwater supplies, according to the article.
To find out more, see research images or an illustration of the vadose zone, read the full article.