This clip explains the basic units of time and unit equivalences, including seconds, minutes, hours, days, weeks, months, years, decades and
Subject: time
This clip talks about the long hours and personal sacrifice that are often part of running a small business. It's not uncommon for the business owner to miss important family events because the demands of the business are so great.
Subject: time
Philosopher Stephen Toulmin explains that people in different parts of the world who have lived at different times have often had very different
Subject: time