Learning to domesticate the horse was a sort of energy revolution. David Christian domesticateenergyhorse Change image and share on social
Big History studies the history of everything, offering a way of making sense of our world and our role within it. David Christian bighistorymake Change image and share on social
We, as extremely complex creatures, desperately need to know this story of how the universe creates complexity and why complexity means vulnerability and fragility. David Christian complexcomplexitycreate Change image and share on social
I think what I was after was a unifying story that could bring everything together, that could give me a sense of the whole of history. David Christian bringgivehistory Change image and share on social
Gravity is more powerful where there's more stuff. David Christian gravitypowerfulstuff Change image and share on social
In literature classes, you don't learn about genes; in physics classes you don't learn about human evolution. So you get a fragmented view of the world. That makes it hard to find meaning in education. David Christian classeducationevolution share on social
Every kid goes to school full of questions about meaning. You know, 'What's my place in the universe? What does it mean to be a human being? What are human beings?' Existing courses cannot help you answer those questions. They can't even help you ask them. David Christian answerbeingcourse share on social
Modern scientific knowledge appeared piecemeal. Historians wrote about human history; physicists tackled the material world; and biologists studied the world of living organisms. But there were few links between these disciplines, as researchers focused on getting the details right. David Christian appearbiologistdetail share on social
