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Dating in live link dating may be relative or absolute.
Many natural history museums and universities worldwide offer public participation programs in dinosaur events, such as fossil hunting or fossil cataloguing.
Sincepaleontologists, or fossil experts, have searched the world for fossils.
Phylogenetic trees are drawn up mathematically, using lists of morphological external form or molecular gene sequence characters.
Results from different techniques, often measured in rival labs, continually confirm each other.These demonstrate that, of course, we do not know everything (and clearly never will), but we know enough.Today, innovative techniques provide further confirmation and understanding of the history of life.In the past 150 years they have not found any fossils that Darwin would not have expected.New discoveries have filled in the gaps, and shown us in unimaginable detail the shape of the great ‘tree of life’.