Balloons: Should we be afraid?

It’s 2023, and balloons are front page news.

Are they aliens? Air-supplied surveillance? Or a global pranking outbreak?

Petra Stock is a science journalist at Cosmos Magazine.

In this episode of the podcast Huh? Science Explained, she floats the idea that some balloons might have a higher purpose.

Huh? Science Explained is a LiSTNR production.