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 Carbon dating and astrophysics? 
 Carbon dating also said the rocks of the newly formed lava dome in the crater of Mt. St. Helens are 350,000 years old 
 Somebody dug up the fossil of a shark from 450 million years ago? 

Carbon dating is kind of like S2F. Best taken with a grain of salt, especially for predictions in the hundreds of millions of years 
 DNA has a half life of 521 years, after 1000 years, 75% of DNA is gone, after 7 million years, every single base pair is gone, how do you determine something that is 400X older than that?