Concerning Leap Years

Who Introduced the Leap Year? Julius Ceasar, believe it or not. The Roman calendar had got seriously out of date with the solar calendar, even though Roman officials were supposed to introduce an extra month every so often. So Caesar consulted his top astronomers who worked out that the solar year—the time it takes for the Earth to do exactly one rotation around the sun—was 365.25 days. So, by maintaining a calendar with 365 days, and adding one extra day every ...

PRE IB: Getting ahead in IB Geography

This blog was written by experienced Geographer Garrett Nagle.  You can read more student and teacher blogs by Garrett here. The new Geography syllabus, which will be taught from September 2017 and examined for the first time in May 2019 begins with a quote from an IB Student from the British School in Rio de Janeiro: ‘Geography is the only subject that has given me the skills to interpret and understand reality in a way I could not imagine before and ...