Radiometric dating

• Radiometric dating is often used by scientists to determine the age of rocks and, by extension, the age of the earth.
• Video referenced: How Does Radiometric Dating Work?
• Geologic Time, from USGS
• Relative Time Scale, from USGS
• Radiometric Time Scale, from USGS
• Age of the Earth, from USGS
• Radiometric Dating Does Work!, from NCSE
• Uniformitarianism