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Ecosystem Dynamics
1hr 11mins
“It's a remarkable series of events that were required for us to be here, and that so many things could have happened in a different way that we wouldn't be here at all, both individually, and as a species.”
1hr 17mins
"It's not that I don't think these problems are big or that they're urgent, but I can start to see that these problems are solvable."
2mins
“We wouldn’t be able to talk about minerals if it weren’t for the minerals themselves.” Mineralogist Bob Hazen explains how Earth’s rocks can teach us about our planet’s technicolor history.
6mins
Poachers drove the Northern White Rhino to extinction. One scientist and her “frozen zoo” are on a mission to bring them back.