FROM THE GREEK
'(<a href="http://www.j-archive.com/media/2008-04-22_DJ_07.jpg" target="_blank">Jon of the Clue Crew reports from White Sands National Monument in New Mexico.</a>) Contaminated water can be made safe to drink by boiling, filtering or using chemical tablets; make sure tablets kill these microorganisms whose name means "first animals"'
protozoans