Hydrochromatic Healing

Artists have created a special paint that becomes visible only when exposed to water.

By all accounts, Seoul, Korea, is a great place to live, and one of the most visited cities on the planet. It is a modernized metropolis with many amenities. There is a wonderful public transportation system, easy access to great parks, wonderful food and great weather in the spring and fall.

The weather in the summer, however, is less than desirable. It rains nearly as many days as it doesn't. Then there is monsoon season.

Monsoon season is dismal. Weeks of clouds and rain cover the vibrant and colorful city of Seoul and its people with drab, dreary grays that weigh heavily upon one's soul. 

We may have never lived through weeks of solid rain, but we know how a couple of days of bad weather — rain in the summer or snow in the winter — can affect our moods. Days without the sun often can cast darkness over our general disposition.

In recent years, medical professionals have begun to recognize that a lack of sunshine and the inability to enjoy the outdoors can affect...