Carbon-14 dating is a scientific method used to determine the age of organic materials, such as bones or wood. It relies on the presence of Carbon-14, a radioactive isotope of carbon that is formed in the atmosphere. Living organisms absorb Carbon-14 during their lifetime, but when they die, they stop taking in carbon, and the Carbon-14 begins to decay at a known rate. By measuring the remaining amount of Carbon-14 in a sample, scientists can estimate when the organism died. This technique is effective for dating materials up to about 50,000 years old, making it valuable for archaeology and geology.