The originator and evolution history of calculus

The originator and evolution history of calculus

Calculus is a branch of mathematics that deals with continuous change. It is a form of geometry and the study of shapes. It is also a branch of algebra, which is the study of generalizations of arithmetic operations. The name "calculus" comes from the Greek word kallos, which means "to measure." It was originally called […]

City Break: San Diego

City Break: San Diego

City break (noun): a short holiday spent in a city, such as when on business travel. Before there was bleisure travel, there was the city break—the short space of leisure time that grants you access to the cultural and culinary amenities that big cities offer. In this series from TripIt, we explore some of the […]

5 Common Injuries You May Have Sustained After a Car Accident

5 Common Injuries You May Have Sustained After a Car Accident

Every year, between 20 million and 50 million people are injured or disabled as the result of a car accident. While the vast majority of accidents leave neither party seriously injured or in need of medical care, when forceful collisions occur, the injuries can be devastating and life-altering. These are the five most common injuries […]