Note: The term "archaebacteria" is no longer used, just simply, "Archaea." Mr. Andersen from Bozeman describes these ancient organisms in a 7:15 minute YouTube video.

Starting with Ben Franklin's study of colds, Mr. Andersen from Bozeman Science explains the viral lytic and lysogenic cycles. A 10:29 YouTube video.

A 5:04 animated video that demonstrates how bacteria become resistant to antibiotics.

Researchers studying ticks in 25 million-year-old have discovered the ticks were infected with Borrelia, the bacteria that causes Lyme disease. A 2014 article from esciencenews.com

Viruses populations far outweigh bacteria in ocean floor sediments. Researchers look at why in ths 2014 article from sciencedaily.com