The Killer Within Us

Summary: Scientists have recently discovered a cell inside our immune system that might combat fatal diseases such as HIV. Natural killer cells are white blood cells that are important in early immune responses like tumors. These killer cells may prevent more diseases and be extremely useful.

Impact: People might survive tumors and other crazy diseases.

Critique: I think that it's awesome that fatal diseases may be able to be cured.

Reference: http://www.biologynews.net/archives/2011/10/25/unraveling_the_mysteries_of_the_natural_killer_within_us.html