John’s related banter…
Muslims made huge strides in medicine as well. One Muslim scholar, ibn Sina, wrote the Canon of Medicine, which became the standard medical textbook or centuries in both Europe and the Middle East. And the Islamic empire adopted mathematical concepts from India such as the zero, a number so fascinating and beautiful that we could write an entire episode about it but instead I’m just gonna write it a little love poem: (recites poem)
crashcourse | The Dark Ages…How Dark Were They, Really? (Crash Course World History #14)
Click to read poem
Oh, zero.
Pretty little zero.
They say you’re nothing
but you mean everything
to mathematical history
…and me.