Base-60, also known as sexagesimal, is a numeral system that uses sixty as its base. This means that it counts in groups of sixty rather than ten, like the decimal system. The ancient Sumerians are credited with developing this system around 3000 BCE, and it has influenced how we measure time and angles today. In our daily lives, we see Base-60 in the way we tell time, with 60 seconds in a minute and 60 minutes in an hour. Additionally, a circle is divided into 360 degrees, which is a multiple of 60, further showcasing the significance of this numeral system in mathematics and science.