all_units_video_scripts.pdf unit_1_moon_mystery.pdf unit_2_science_of_taste.pdf unit_3_right_dog_for_the_job.pdf unit_4_an_ancient_shipwreck.pdf unit_5_the_flu_virus.pdf unit_6_giants_of_the_forest.pdf unit_7_parasomnia.pdf unit_8_amazing_narwhals.pdf unit_9_brunelleschis_dome.pdf unit_10_tornado_terror.pdf unit_11_ichthyosaurs.pdf unit_12_a_social_robot.pdf