mud

RIVERS OF LIFE:
Mississippi

 

See the many faces of the massive, muddy Mississippi. Its fingers stretch into nearly half of the USA, from the frozen north to the nation’s agricultural heart to mysterious southern swamps where alligators still rule.

 

 

 

NOVA
Killer Landslides

 

In March of 2014, a one-square-mile field of debris slammed into the Washington state community of Oso, killing 41 and destroying nearly 50 homes in less than two minutes. Drawing on analyses of other landslides around the world, geologists are investigating what triggered the deadliest U.S. landslide in decades and whether climate change is increasing the risk of similar disasters around the globe.