The Download: inside animals’ minds, and how to make AI agents useful

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology.

What do jumping spiders find sexy? How DIY tech is offering insights into the animal mind.

Studying the minds of other animals comes with a challenge that human psychologists don’t usually face: Your subjects can’t tell you what they’re thinking. 

To get answers from animals, scientists need to come up with creative experiments to learn why they behave the way they do.