Here’s how magnetic fields shape desert ants’ brains
The ants use Earth’s magnetic field to navigate. Tweaking the field physically changed their brains
![A desert ant strolls across sand near its nest.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2024/03/032024_sb_ant-nav_feat.jpg?fit=1030%2C580&ssl=1)
A desert ant (Cataglyphis nodus) walks near the entrance of its nest. Messing with Earth’s magnetic field can mess with the ants’ ability to learn how to navigate back home.
Robin Grob