One has to take initiative in life to achieve what he or she wants. Donald Johanson achieveinitiativelife Change image and share on social
You don't just magically flip some evolutionary switch somewhere and transmute a quadruped into an upright-walking bipedal human. Donald Johanson bipedalevolutionaryflip Change image and share on social
Where we are going as a species is a big question. Human evolution certainly hasn't stopped. Every time individuals produce a new zygote, there's a reshuffling and recombination of genes. And we don't know where all of that is going to take us. Donald Johanson bigevolutiongene share on social
Journalists often ask me when I go to the field, 'What do you expect to find?' And my answer always is, 'The unexpected,' because we're just looking at the tip of the iceberg; we've just scratched the surface. Donald Johanson answerexpectfield share on social
What makes us human depends on what place on our evolutionary path we're talking about. If you go back six million years ago, what makes us human is that we were walking upright. That's all. If you go to 2.6 million years ago, it's the fact that we're designing and making stone tools. Donald Johanson agobackdepend share on social
Most achievers I know are people who have made a strong and deep dedication to pursuing a particular goal. That dedication took a tremendous amount of effort. Donald Johanson achieveramountdedication Change image and share on social
If you were to go to the National Museum in Addis Ababa, you would walk into a huge room filled with literally tens of tons of fossils, and most of them would be elephants and rhinos and hippopotamus and monkeys and giraffes and antelopes and so on. Hominids are very rare in the landscape, and it's very rare to find them. Donald Johanson ababaaddisantelope share on social
The right question to ask from a Darwinian prospective is what was it about bipedalism that was so advantageous? Why did it lead to a - why did that adaptation ultimately lead to a species Homo sapiens that has come to dominate the planet today with six and a half billion people? Donald Johanson adaptationadvantageousbillion share on social
All mammals undergo a certain degree of diversification. Darwin knew that. When he drew a family tree, it had many branches on it. Donald Johanson branchdarwindegree Change image and share on social
As an undergraduate, I had an opportunity to go on a number of archeological digs. So I had experience excavating, digging up remains of ancient Indian villages in the Midwest and in the Southwest. Donald Johanson ancientarcheologicaldig Change image and share on social