Living organisms are created by chemistry. We are huge packages of chemicals.
When very large stars die, they create temperatures so high that protons begin to fuse in all sorts of exotic combinations, to form all the elements of the periodic table. If, like me, you're wearing a gold ring, it was forged in a supernova explosion.
We, as extremely complex creatures, desperately need to know this story of how the universe creates complexity and why complexity means vulnerability and fragility.
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.
Big History studies the history of everything, offering a way of making sense of our world and our role within it.
Humans are remarkable: the first species in almost four billion years of life on earth that dominates the biosphere. This gives us the power, in principle, to build societies in which everyone flourishes. But it also creates great dangers because it is not clear that we really understand how to use our potentially devastating powers.