Time

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 * I have learned: **
 * The universe was created in one year.
 * The Earth formed from a planetary nebula.
 * The first multi-celled organisms were sponges.
 * There was a gigantic shark called Megalodon.
 * The first dinosaurs were Eoraptor and Saltoposuchus.
 * Humans have been on Earth for a minimal amount of time.