Spring, marked by the vernal equinox, will occur on March 19 in all U.S. time zones. This has not happened since spring 1896. Host Bob Berman covers leap years and why we have this early start to spring.
If you enjoy vocabulary items you'll probably get pleasure in the word subitize. Some elementary school teachers now use that concept. It's the ability to…
With the clocks now changing, it brings up the subject of time. The question of time's reality has boggled philosophers and scientists for centuries. We…