The Human Oral Microbiome by Floyd Dewhirst, Harvard University

submitted by: dougramsey
The human oral cavity is a diverse habitat that contains approximately bacterial 600 predominant species. The oral microbiome is comprised of 44% named species, 12% isolates representing unnamed species, and 44% phylotypes known only from 16S rRNA based cloning studies. Species from 11 phyla have been identified: Firmicutes (211), Bacteroidetes (106), Proteobacteria (99), Actinobacteria (64), Spirochaetes (49), Fusobacteria (29), TM7 (12), Synergistetes (10), Chlamydiae (1), Chloroflexi (1)...

Talk by Jim Nelson

submitted by: dougramsey

Jim Nelson talks about what needs to be done to help the learning gaps in children of different backgrounds be bridged and points out that one of the causes of the problem is the competency of the teaching staff in terms of education and pedagogic skills.