How big is this hornet really?
Egad !!!!
Giant Asian hornets have now migrated to Washington state and British Columbia. Even though they are sometimes called "murder hornets" their stings aren't fatal. The...
Math and Science
Genres
Grade
It might be a good year to see the Perseid meteor shower
Catching a productive meteor shower can be a stunning experience. On the evenings and mornings of August 11th, 12th and 13th there could be a very good show. A last quarter moon ...
How much water should you be drinking?
As we are outdoors more and temperatures are rising, it might be a good time to look at hydration.
A healthy requirement for fluids can't really be the same for everyone. Surely the amount ...
Leslie's socially-distanced party
I risked infecting my friends or becoming infected myself by throwing a very small socially-distanced party. I served baked appetizers, disinfectant wipes, and latex gloves. I cooked whi...
May 27th launch from the U.S. again
May 27 scrubbed because of weather.
Successfully launched Saturday, May 30th, 3:22 pm EDT. Dragon is on the way to the ISS now.
Wednesday, May 27th will be a momentous day for space tr...
Microns and Masks
How big is one coronavirus? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?
Is there much of a difference between 99.9% or 99.999%?
Use our present need for cleanliness to engage your students.
Does it really matter whether you kill 99.9% of the bacteria or 99.999% of the germs?
In this activity, we'v...
Gonna be a Leap Year
By George C. Baxley
This year we will add the 29th of February to our year? Why do we do that? How can you tell? What if we didn't add a day every 4 years?
Stud...
Louisiana
We recently watched the approach of Hurricane Barry and worried about the fate of Louisiana. After the devastation of Hurricane Katrina, what would another powerful hurricane do to this fragile ...
Tornadoes 2019
Tornadoes have devastated the Midwest, U.S. in the last few days. Alabama, Texas, Louisiana, Oklahoma, Ohio, Missouri, Iowa, Nebraska and Mississippi have been brutally hit with these powerful event...