Half Lives and How They Work

A Half Life isn't just something Voldemort lives from splitting his soul, a half-life is a terms for what happens to unstable (radioactive) atoms. Spoiler Alert, they're everywhere and can be used to find the approximate age of fossils. Scientific American looks at Carbon 14.

DNews looks at Carbon 14 as well as other elements used to date items older that 60,000 years. In this case a set of Ancient Footprints that Surfaced in Britain.