At the heart of alchemy was the quest to turn ordinary metals into gold. Despite the hopelessness of that goal, alchemists still made a lot of discoveries that formed the foundation of modern chemistry and medicine.

There was a lot of bad stuff going on in Europe in the 17th century. We've seen wars, plagues, and unrest of all types. But, there is some good news. Huge advances were underway in the scientific community in Europe at this time. In this...

Chinese alchemists searching for an elixir of eternal life discovered the world's first chemical explosive. Hank has the full story on gunpowder in this SciShow about a big idea of science.

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.

In fantasy stories, charlatans in fancy robes promise to turn lead into gold. But real alchemists weren’t just mystical misers. They were skilled experimentalists, backed by theories of matter.

And they played a huge role in the...

Chat with a friend about an established scientific theory, and she might reply, "Well, that's just a theory." But a conversation about an established scientific law rarely ends with "Well, that's just a law." Why is that? What is the...

Howcast -Learn how to read the Sun tarot card from expert Ellen Goldberg, M.A. in this Howcast video.

In this video, we will show you how to set up the Alchemy HTTP Provider, which allows your trading bot to interact with the DYDX platform. You will learn how to create an Alchemy account, obtain the necessary API key, and configure...

We just learned about medicine in the Middle Ages, and the time period that follows is called the Renaissance. What advancements were made during this time? The most important figure in this period of medicine went by the name of...

Whether working in the enterprise, building for web or mobile, you will need to build (if you haven't already) RESTful APIs to serve data between different client applications and endpoints. This course delivers the fundamental...