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The Human-Tuberculosis Arms Race

by Sanjana Kulkarnifigures by Corena Loeb The bacteria Mycobacterium tuberculosis (TB) has been infecting humans for thousands of years. Today, TB, which is thought to have originated in Africa and evolved alongside human hosts, is found across the…

Antibiotic Persistence and Resistance

by Molly Sargen Antibiotics are drugs that kill or inhibit the growth of microbes, including bacteria and fungi. These drugs work by blocking essential processes like protein production, DNA replication, and cell division. After Alexander Fleming’s…

Mapping Individual Microbes among the Multitudes

by Sophia Swartzfigures by Jasmin Joseph-Chazan If you put all of the living things on Earth in a box–from humans to anteaters to teeny-tiny tardigrades–and then plucked one of these organisms out at random, it is very, very likely that you just found…