This year Easter will be celebrated on March 31, but in 2014 it will occur on April 20. The reason has to do with the mismatch between the periodicity of the sun and the moon and the long history of human efforts to create a reliable and consistent calendar.
Now is a good time to clear out some mental baggage, purify any sense of guilt or remorse about what we did or didn't do over the summer, and reset our intention for the fall.
While western Christians have completed their celebrations of the Lenten season and Easter, eastern Christians are just gearing up for their own. How did that happen?
Richard Conn Henry, an astrophysicist at Johns Hopkins University and former deputy director of NASA's astrophysics division, is just the sort of pers...