Instructional Video4:48
SciShow

Could Life Be Older Than Earth?

12th - Higher Ed
SciShow Space explores new theories about the timing of the development of life on Earth, and elsewhere in the universe.
Instructional Video14:20
PBS

Did Life on Earth Come from Space?

12th - Higher Ed
How did life on Earth get started? Did life on Earth originate on another planet? Either Mars, or in a distant solar system? Could Earth life have spread to have seeded life elsewhere? Let's see what modern science has to say about the...
Instructional Video3:57
SciShow

Tardigrades: Adorable Extremophiles

12th - Higher Ed
Hank explains why NASA and the European Space Agency are in love with tardigrades and how these extremophiles are helping us study the panspermia hypothesis.
Instructional Video5:26
Professor Dave Explains

The Origin of Life on Earth

9th - Higher Ed
You must have wondered about it before, haven't you? How did life begin on earth? I mean the very first thing. The first unicellular organism, billions of years ago. Is it even possible? As it happens, our understanding of chemistry,...
Instructional Video4:20
SciShow

Tardigrades: Adorable Extremophiles

9th - 12th Standards
Tardigrades are microscopic organisms (0.5 mm long) with segmented bodies and four pairs of legs, each with four to eight claws. The narrator of this video explores tardigrades, organisms that can survive the most extreme environments...
Instructional Video13:29
Crash Course

Life Begins: Crash Course Big History #4

9th - Higher Ed Standards
Scientists try to understand the origins of life, and answers to these questions might be found during our lifetime. The fourth video in a 16-part series explains the earliest forms of life on Earth and their development. It covers...
Instructional Video
Crash Course

Crash Course Big History #4: Life Begins

9th - 10th
The Crash Course guys teach about life on Earth- the earliest forms of life on Earth, and some of the ways that they developed into other forms. [13:29]