2023-11-20 09:44:30
Green, green river
Green, green river

During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green.
Students learn what PPM (parts per million) means and attempt to figure out how much dye is used to sufficiently color the river.
Comments (0)
Display 1 - 10 Of total 0
March Madness - Does seeding really matter?
March Madness, the big 68 te...
Pokémon GO! I should have invested
Pikachu
Pokémon GO is all the ra...
Now that LeBron James is becoming an L. A. Laker, will this company go broke?
Fanatics is an online sportswear retailer that h...
Which is the best deal?
How do you calculate and justify which dea...
Giant Pumpkins (2025)
🎃October is the time of year when giant pumpkin co...
Father's Day blueberry surprise
Sunday is Father's Day and there is still time t...
Will I pay less if I buy more?
image ...
The Ultimate Key Lime Pie
On a cold and snowy day in Boston about ten ...
Extreme weather 2020
Because of climate change, we've been having...
How should I spend my rewards?
There's a new way to earn rewards at many groc...