Man collects sand, seawater, and seaweed in a jar, and a year later the jar is teeming with life

[Dooner]

Of course a Dutch guy would have this as a hobby… pretty neat! All the Dutch on one side of my family have unique hobbies.

[DukeTrout]

@Grey_Devil

Do it

[anon55609254]

I recall coming back to the dorm in college to find someone had left a bag of moldy bread. So we just let it sit there, multiplying, for a couple of semesters. We threw it away before it burst and ejected mutated mold spores all over campus.