Crash Course
Ecological Succession: Change is Good - Crash Course Ecology
In the world of ecology, the only constant is change - but change can be good. Today Hank explains ecological succession and how ecological communities change over time to become beautiful, biodiverse mosaics.
Professor Dave Explains
Presocratics Part 1: Early Greek Philosophy
When people think of philosophy, they often transport themselves to Ancient Greece. This era was a hotbed of intellectual activity, and it produced some of the most influential minds in human history. But before we get to the most famous...
Bridgeman Arts
The School of Athens - Raphael
A detailed view of Raphael's famous fresco ""School of Athens"" from the Stanza della Segnatura.