Today’s Google Doodle Honors Julius Lothar Meyer, Who Developed the Periodic Table
Meyer and the chemist Dmitri Mendeleev both published research that led to the development of the modern-day periodic table of elements.
Periodic Table of Elements
This Week in Tech History: Leap Day Origins, Pioneer 10 Space Probe Launched
Leap Day was initially instituted by a jealous Roman emperor, but it was later backed up by science.
