It is filled with dirt, chemicals, germs, and other gunk. In the U.S., water treatment equipment in towns, cities, and homes does that work. Even here, cleaning unsafe, dirty water is a big job. In Bangladesh, most of the people and many of the towns cannot afford the water cleaning equipment. Scientists know they must find a simple way for people there to clean their own water.
Scientists are like detectives, exploring mysteries to find possible answers.
This time, the mystery has a happy ending. Scientist Rita Colwell found a simple way for people in Bangladesh to clean their water. The first day of Spring is just around the corner. Scientist Rita Colwell has been finding out about clean water for more than 20 years. It's important work.