Tuberculosis: A Persistent Threat to Global Health - Part 3: Phenotypic Heterogeneity and Antibiotic Tolerance (27:15)

submitted by: video_collector
The principal obstacle to successful treatment of tuberculosis is the lengthy duration of current regimens, which require administration of multiple drugs for 6-9 months. The requirement for prolonged therapy is attributed to sub-populations of bacillary "persisters" that are refractory to antimicrobials. The persisters are not drug-resistant in the conventional (heritable) sense and it is a mystery why they are spared whilst their genetically identical siblings are killed. The third part of...

Tuberculosis: A Persistent Threat to Global Health - Part 2: Tools for Tuberculosis Control: Not Just a Problem of Implementation (28:18)

submitted by: video_collector
Tuberculosis remains one of the most important causes of human disease and death despite the introduction of vaccination in 1921 and chemotherapy in 1952. Although these interventions are inexpensive and widely available their impact is limited. The effectiveness of vaccination is unclear; in clinical trials, the protection conferred by vaccination has been variable and generally poor. Although chemotherapy can be highly effective, multiple drugs must be administered for 6-9 months to...

Trailer: Water Before Anything

submitted by: Doorbell Productions

A movie that documents the successful Task Force process in Oregon's Umatilla County. Umatilla County has one of the worst groundwater depletion problems in the world. Five years ago a Task Force was formed to address sustainability and water rights. In 2009 the Umatilla Planning Commission adopted the Task Force's plan for sustainability beyond the year 2050. This film chronicles the conversation around groundwater and proposes that water is unique in its ability to transform conflict.