Search form

Donate Today
Now Playing:
Next Episode:

Passport: Show | Hide

An acclaimed photographer joins scientists to document the runaway melting of glaciers.
Previous Episodes:

Passport: Show | Hide

Examine the high-tech eavesdropping carried out by the National Security Agency and the...

Passport: Show | Hide

Follow the 2,000-mile migration of monarchs to a sanctuary in the highlands of Mexico.
1
NOVA  ·  Episode 3603

Rat Attack

02/24/2009

Why do huge swarms of rats overrun a bamboo forest in India once every half-century?

2c1f3de9-be2a-42c0-af74-68875a170aa7
Add to favorites Favorite