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
Why Does it Stay in Orbit?
Students will ...
Candy deals
We found big mixed bags of candy at really...
Gonna be a Leap Year
By George C. Baxley
This year w...
Winter Solstice 2023
It is really dark out now. Why is that? Stud...
Total solar eclipse - apparent sizes
Where will the eclipse be seen? What...
Two 12s or one 18?
A little more pizza fun before Pi day!
Whic...
Should I buy a gasoline, hybrid, or electric car
Should you buy a hybrid or an electric car to sa...
World record Snickers Bar
In late January, workers at the Mars W...
How much water should you be drinking?
As we are outdoors more and temperatures are ris...
Huge Alaskan Vegetables
The annual Alaskan State Fair has just been comp...