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
Beijing Olympic Schedule 2022
The Winter Olympics begins this week in Beijing....
How many hot chocolate scoops do I need?
Even though it is now Spring, here in New Englan...
Extra point or 2-point conversion - Updated
In 2015 the NFL changed the extra point kick...
Tech Neck
How much strain does your ...
Home team advantage?
Updated!
Even before your students check out th...
Crop circles
In the travel section of our newspaper...
Thank you, mother and father, for all of those diapers
Thank you Mother and Father for all of those diape...
Eliud Kipchoge runs marathon in 1:59:40.2
Eliud Kipchoge breaks 2 hour marathon ba...
What time is it in Cambodia?
I need help! My daughter is traveling ...
The HAT tessellation
An Einstein aperiodic tile has just been ...