You may have heard that bacteria can be good or bad. But what if some bacteria can be both? Let’s find out more about bacteria that are sometimes mischievous.

Mutations can change how genes work and produce big changes in our bodies. Kerry Geiler-Samerotte is tracking how mutations affect cells at the microscopic level.

Honeybees need the bacteria in their bellies to stay healthy, but the medicine we give them may be wiping them out.

In Peru, how humans feel and what they know and do about sharks can have big consequences. How do human beliefs impact shark conservation?