Despite the diverse appearance and characteristics of organisms on Earth, the chemicals that make up living things are remarkably similar, often identical. In this episode of Crash Course Biology, we’ll look at the building blocks of the...

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.

Hank shares three cool discoveries in space science, including a celestial crucible of phosphorous, noble gases found in a supernova, and plumes of water vapor on Europa.

Massive amounts of dust manage to travel all the way across the ocean, creating some powerful and surprising global effects!

When we began mass-producing matches in the 1800s, workers in the factories started dying mysteriously. The history of our sparking little flame-sticks is darker than you think.

Find out why some resources are in short supply and why we need to conserve as much as possible.
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Learning Points...

Let's take a look back at the elements silver, hydrogen, phosphorous, germanium, and sulfur.

In this video we will looks at what allotropes are, and different examples of them. The term allotrope refers to different forms of the same element. Diamond and graphite are made of only carbon atoms – yet they exhibit very different...

Regenerating Marine Ecosystems part 1 of 2:

The video explores how agricultural runoff in the Florida Everglades is affecting downstream coral reefs and marine life. It highlights the importance of restoring the natural Everglades...