Radiocarbon dating dinosaurs
* Six Problems with the Contamination Explanation: (See the 6th point below for why collagen itself cannot be contaminated with modern carbon and for the Nature 2017 paper explaining that microbes like cyanobacteria in fossils get their carbon not from the atmosphere but from their bone substrate, meaning that they cannot supply a younger date than a dinosaur fossil, because they date the same as that fossil!
So evolutionists typically claim that all this 14c results from contamination, but statistical analysis indicates that when plotting erroneous dates (as from contamination), the data should fit a normal curve. As documented by Rick Sanders in in CRSQ, the distribution provides significant evidence that the radiometric ages do not result from contamination errors.
* Carbon-14 is Everywhere so it Can't Be an Anomaly: Carbon-14 doesn't lie. And it's so unstable that all 14c atoms in a sample would radioactively decay in far less than a million years.
So, such radiocarbon in allegedly older samples could theoretically come from a secondary source like contamination, background noise, or neutron capture. For example, living bacteria might infest a dinosaur bone but the journal reports that this doesn't affect its carbon date because the bacteria doesn't feed on the 14c in the atmosphere but in the bone!
Rather, the collagen must be manufactured within a living animal (with its constituent carbon atoms) into a "super-super-coil...
interdigitated with its neighboring microfibrils... so well ordered as to be crystalline." Further, bacteria do not make collagen, which eliminates another possible source of contamination.