The latest installment of PBS' NOVA Online discusses El Nino, the second strongest influence on global weather. Four main areas allow users to discover what makes El Nino so interesting. Written by Mark Hoover, Dispatches follows the day-to-day effect of El Nino. Satellite images enhance the textual descriptions. Visitors can learn about the science of El Nino in Anatomy of El Nino. El Nino Now provides real time effects of El Nino. Four different presentations will provide information on storm tracking, the weather and the jetstream, mapping, and advance warnings. The current El Nino's Reach allows users to read and see the world wide effects of El Nino. Visitors can select from over twenty countries or areas worldwide. Upcoming Reaches includes a timeline of El Nino's effects and their influence on living things.