Understanding: Bacteria (Discovery Channel School): Bacteria are truly on the rampage again. Theyve become immune to the best of our antibiotics, rendering once-treatable infections deadly. However, bacteria do more than make us cringe: Learn how they can be helpful, aiding in meal digestion, air... (more details for Understanding: Bacteria (Discovery Channel School))

click to order a discounted DVD, Blu-Ray and/or on Demand version of the film

File by Holly Buckley (#511)
2009-02-26 Grade: 9-10
File by Dan Vorgity (#981)
2010-02-20 Grade: 6-8
File by Lara Nichols (#1407)
2011-01-13 Grade: 9-10
File by Heather Ayotte (#1443)
2011-02-09 Grade: 9-10
File by K. DURAN (#1759)
2011-10-15 Grade: 9-10