This TikToker made an ecosystem jar four years ago. When she finally saw it again, she was surprised to see what was growing—or rather, moving around—in it. What’s in the jar? In a wildly viral video ...

This homemade ecosystem is crystal-clear, beautifully balanced, and completely self-sustaining. From setup to final result, watch how nature and design come together in one of the cleanest DIY ...

Years ago, this TikToker did an experiment where he put some water and other things in a jar and sealed it up to see what would happen. Well, it has been a while, and he came back to check it and ...