Scientists have proven the arch running across the top of the human foot evolved in a 3.5-million-year old human ancestor, enabling us to walk and run upright unlike all other primates.
History of Life on Earth, Overview & Timeline - Lesson
Human Ancestors May Have Evolved the Physical Ability to Speak More Than 25 Million Years Ago, Science
462-Million-Year-Old Fossil Trove Holds Miniature World of Marine Creatures
The True Origins of Homo Sapiens (Video)
Little Foot - Wikipedia
100 Handicraft ideas craft app, arts and crafts for kids, diy projects to make and sell
The First Butchers – SAPIENS
The origin of our species
Scientists Study 3.5-Million-Year-Old Origins of Unique Human Spring
Australopithecus, Characteristics & Facts
Zeroing in on the origins of Earth's “single most important evolutionary innovation”, MIT News
Lucy (Australopithecus) - Wikipedia