Why 'Ida' Inspires Navel-Gazing at Our Ancestry
One long line of evidence that supports evolution is the ongoing discovery of "transitional" fossils that bridge the gap between one obvious kind of species and another. Nowhere are these transitional animals more interesting than when looking backwards through time at the human lineage.
This week, scientists from the University of Oslo announced the discovery (or re-discovery since the fossil was dug up in 1983) of a 47-million-year-old ...
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This comes at a time when Darwinian "gradualism" is increasingly doubted as leading to new speciation. Other mechanisms are being sought to explain sudden appearances of new species, rather than searching for the ever elusive "missing links".