Carbon 14 dating biology

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There is a small amount of radioactive carbon-14 in all living organisms because it enters the food chain.Once an organism dies, it stops taking in carbon-14.

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magazine has been continuously published since 1978, we are publishing some of the articles from the archives for historical interest, such as this.

, we find that this ration is the same if we sample a leaf from a tree, or a part of your body.

Think of it like a teaspoon of cocoa mixed into a cake dough—after a while, the ‘ratio’ of cocoa to flour particles would be roughly the same no matter which part of the cake you sampled.

But when it dies, this ratio will fall, as the carbon-14 decays.

Radioactive carbon decays slowly, such that a given amount of carbon-14 halves every 6,000 years.

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