Smith College
It is believed that the advance news of the capture of Troy by the Greek commander Agamemnon was communicated through beacons.
The University of Arizona, Lowell Institute for Mineral Resources
Did you ever wonder why the black part that writes is called “lead?”
Common Sense Media
Free K–8 lessons to prepare students for life, online and off
Common Sense Media
What does kindness look like when we’re using technology?