In this collection of lab-based activities, students will learn about the concepts of radiation and half-life in order to gain an understanding of the use of radiocarbon dating as a method of absolute ...

A few weeks ago some friends called to chat. They were on their way to see Mount Rushmore in South Dakota and were wondering ...

How old are these bones? This standard question in archaeology can be answered quite precisely in many cases with the help of the carbon isotope 14 C. But there are exceptions. Certain living habits, ...

When paleontologists dig up a fossil from the ground, how do they figure out the age of the piece of history? It’s not as simple as you may think. You may have heard of the widely-used carbon dating ...