Why Does February Have Just 28 Days, Anyway?

February gets the shaft when it comes to days in the month. While other months last 30 or 31 days, February has 28 or 29, depending on the year. Why? Well, this video explains all of the fiddling that Romans did to the calendar, and how that resulted in a single short month. » 2/24/15 10:30am 2/24/15 10:30am

How the Quest for the Perfect Calendar Accidentally Created February 30

A year is almost exactly 365 days...almost, but not quite. For millennia, people have tried to create calendars that account for that "not quite" bit. It's why we have leap days and why, just once, there was a February 30. » 2/29/12 9:01am 2/29/12 9:01am

World's Greatest Astronomical Detective Strikes Again!

Donald Olson, an astrophysicist at Texas State University has a habit of taking well-known historical facts and turning them upsidown. Using the stars and Moon and a little bit of math, he's re-dated the original running of Marathon in 491-490 BC, precisely determined the spot in which Edvard Munch painted "Theā€¦ » 7/01/08 9:50am 7/01/08 9:50am