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Next Animation Studio
Origin stories of Earth and Mars involved massive collisions, not the slow buildup of pebbles
Earth and Mars were likely generated by regular collisions between giant Moon-to-Mars-size rocks, rather than tiny pebbles clumping together.
TED-Ed
The History of Our World in 18 Minutes
A fascinating lecture on history by David Christian, who is known for an interdisciplinary approach called Big History. His talk is enhanced by computer graphics and diagrams, but holds its own simply by its span of disciplines. Hear...
Khan Academy
Khan Academy: Introduction to Thresholds of Increasing Complexity
Watch this video to understand thresholds that happened during our Universe's history. See the eight dramatic transitions highlighted in the Big History unit. [2:16]
Science Friday Initiative
Science Friday: Why Is the Universe Right for Life?
How did our universe develop in such a way that we can exist? Is it by accident or design -- and is that a question science can answer?