Instructional Video5:24
SciShow

The Real Philosopher's Stone: Turning Lead into Gold

12th - Higher Ed
With scientists’ efforts and their creativity, we finally found “the real philosopher’s stone.” That's right, we can now turn lead into gold... a little bit.
Instructional Video1:47
Great Big Story

Discovering phosphorus, Hennig Brand's accidental breakthrough

12th - Higher Ed
How Hennig Brand's quest for gold led him to discover phosphorus by boiling urine in 1669.<br/>
Instructional Video1:44
Great Big Story

Discovering phosphorus, Hennig Brand's accidental breakthrough

12th - Higher Ed
How Hennig Brand's quest for gold led him to discover phosphorus by boiling urine in 1669.
Instructional Video
Crash Course

Crash Course History of Science #10: Alchemy

9th - 10th
In fantasy stories, charlatans in fancy robes promise to turn lead into gold. But real alchemists weren't mythical misers, they were skilled experimentalists backed by theories of matter. They played a huge role in the development of...