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
Microns and Masks
How big is one coronavirus? How big is a m...
Giant iceberg breaks off from Antarctica
The crack in Antarctica's Larson C ice she...
U. S. Open Tennis Tournament prizes have been awarded
The U.S. Open Tennis Tournament has just been comp...
Stock Market headlines - Biggest losses since 2008
This year the Dow Jones Industrial Average m...
Hoarding stopped!
A Danish market found an...
Fantastic Beasts - What did it cost to make?
In 2001, J.K.Rowling (the author of the Harry ...
How many feet of lights should I buy for my tree?
Check out our Christ...
What is Juneteenth?
You can appreciate why this is ...
How long will it take you to trick-or-treat?
It's Halloween and this is your neighborhood...
World record Snickers Bar
In late January, workers at the Mars W...