Hi, what do you want to do?
Professor Dave Explains
History of Astronomy Part 2: Early Measurements of the Earth
After many centuries of pure observation, it finally became time for mankind to start doing some science to figure out the dimensions of the Earth and other nearby objects. What were these early experiments? What did they tell us? Let's...
Visual Learning Systems
Writing in Science: Research and Writing
The development and application of writing skills in science is the focus of this program. This video highlights some of the key ingredients of writing in the subject of science. Informative and explanatory texts focus on facts,...
PBS
Pbs Learning Media: Stem Cells Breakthrough
In this video segment adapted from NOVA scienceNOW, follow the scientific process that led to a revolutionary method for creating stem cells without the use of human embryos. [5:16]
PBS
Pbs Teachers: Real Scientists: Dairy Scientist
Explore what a dairy scientist does. Discover how scientists work to improve the taste of ice cream.