Why it worked
The video taps into a common curiosity about local environments and presents a simple, visual experiment to answer the question. The unexpected positive result (cleanliness) provides a satisfying and shareable conclusion.
Summary
The video tests the cleanliness of Lake Michigan by taking water samples with swabs, adding them to a nutrient broth, and incubating them for 24 hours. The results show that the lake is clean.
Structure
- 1Collecting water samples from Lake Michigan
- 2Adding samples to nutrient broth
- 3Incubating the samples
- 4Revealing the results: Lake Michigan is clean
On-screen text
How dirty is
Lake Michigan?
Got a nice dunk
right there
One more for
good measure
Swab is added to
a nutrient broth
This gives the
bacteria food
More bacteria food
and a surface to
form colonies
Incubate at 35C for
24 hours
Enjoy the finest
literature (mine!)
while you wait
Annnnnd that's
enough of that
Rejoice! She is clean