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

Bats are very social, and by reading their brains we can see them reacting in real time to the calls of other bats. When you have thousands of bats calling at the same time, how easily can they know who is who, or separate a friend from a stranger?

What is gene editing? And how does the one of the most-used gene editing tools, called CRISPR, work?
Also in: Español

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.