00:00 - 01:30
1m 30s

Bill Nye showcases the different types of soil in his lab. He explains and illustrates the soil profile (what soil would look like if you can dig into it and view it from the side) of each type. He also explains how soil and dust are created: from rocks and living creatures.


Please sign in to write a comment.
Video Transcript

Related Clips

John Green explains how historians have determined the age of the Earth. He mentions that they created a quantitative chronology of human history by using ancient documents and events. He also states that various thinkers throughout history have used fossils and rocks to determine the Earth's actual age.
In this clip, Gandhi makes a speech to denounce the difference of standards Indian citizens are given in the British Empire. He burns his papers and South African police try to forcefully stop him.
The boys use the suction of three vacuum cleaners to retrieve a ball that is out of their reach. Their attempt fails when the "Beast" chomps down on a pipe, which blocks off almost all air flow to the suction.
A farmer discusses how seeds have been patented by a company called Monsanto. Since they've patented the seeds, farmers are not allowed to save seeds.
When Lucas is bullied, he takes his frustration out on a nearby anthill, rather than standing up to the bully.