TED Talks
Ted: Ted Ed: Secrets of the X Chromosome
The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Robin Ball explains how the secret lies in X chromosome inactivation.
Cosmo Learning
Cosmo Learning: Moment of Inertia
A collection of video lectures from a moment of inertia course taught at East Los Angeles College. The course teaches moment of inertia explaining the theory and giving examples with nine lectures. Lectures vary in length.
Cosmo Learning
Cosmo Learning: Electric Force
Need to review electric force? This collection of eight video lectures focuses on electric force. Lectures vary in length giving examples of problems to help with the understanding of electric force. Lectures are from a physics course...
Curated OER
Educational Technology Clearinghouse: Maps Etc: River Basins of Asia, 1912
A map from 1912 showing the various drainage basins across the Asian region. This map is color-coded to show watersheds draining to the Pacific Ocean in pink, to the Indian Ocean in green, to the Arctic Ocean in purple and inland basins...
Curated OER
Etc: Battle of Mukden, Feb 22, 1905 March 10, 1905
A sketch map of the Manchurian battle site of Mukden, the last major land battle of the Russo-Japanese War (1904-1905). This map is mislabeled, indicating the battle timeframe was April 22 to March 10, 1905. The dates should read...