For a few decades, we thought we knew the human lineage tree- now, it has turned into an unruly bush.
The out-of Africa hypothesis is threatened- artifacts and footprints found in Pakistan go back over 2 million years
Large apes existed 10 million years ago- meaning that the missing link came before that time- prehumans have been here for about 12 million years, not 3-4.

Footprints found in Mexico date back 50,000 years-destroying the Clovis culture theory once and for all.