How To Find (True) North Without A Compass
Hold an analog watch horizontally. In the northern hemisphere, point the hour hand toward the…
Names Of The Months Of The Year
Would you believe January was not always the first month of the year? The ancient Romans used a…
Names Of The Days Of The Week
The Babylonians named the days after the five planetary bodies known to them (Tuesday through…
There Are Frogs Smaller Than Your Fingernails
In March 2019, three new species of incredibly itty-bitty frogs were discovered in Madagascar, according…
Electromagnetic Energy
What is Electromagnetic energy? Electromagnetic energy is waves of energy that ripple through the space…
Scanning Electron Microscopy
A normal microscope uses visible light (electromagnetic spectrum) that bounces off the specimen under the…