ohscience: This terrarium hasn’t been opened in 40 years! It is completely self-sufficient—the bacteria in the compost breaks down dead leaves to give the plants the carbon dioxide they need, and the moisture in the air condenses on the glass and

ohscience: This terrarium hasn’t been opened in 40 years! It is completely self-sufficient—the bacteria in the compost breaks down dead leaves to give the plants the carbon dioxide they need, and the moisture in the air condenses on the glass and

tags: Phil's ramblings, fun,

from: https://passionategeek.tumblr.com/post/87212735125