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Harmony of the Worlds

   1980    Science
Beginning with the separation of the fuzzy thinking and pious fraud of astrology from the careful observations of astronomy, Sagan follows the development of astronomical observation. Beginning with constellations and ceremonial calendars (such as those of the Anasazi), the story moves to the debate between Earth and Sun-centered models: Ptolemy and the geocentric worldview, Copernicus' theory, the data-gathering of Tycho Brahe, and the achievements of Johannes Kepler (Kepler's laws of planetary motion and the first science-fiction novel).
Series: Cosmos

Caesarion

       History
In Egypt, Caesar rebukes the advisers of the boy king, Ptolemy XIII, for their presumption in eliminating Pompey and demands the man who killed him. Caesar decides to intervene in the dispute between Ptolemy and his sister-wife, Cleopatra, to ensure both Rome's grain supply and his own access to Egypt's treasure.
Antony, in an unusual show of prudence, advises against this with only half a legion in Alexandria and Cato and Scipio still at large in Africa. In Rome, Brutus gets a chilly reception from Servilia when he returns home from Greece.
Series: Rome

Life in a Day
Life in a Day

   2021    Culture
Oceans
Oceans

   2009    Nature
Vegan
Vegan

   2020    Culture
Human: The World Within
Human: The World Within

   2021    Medicine
History of the Eagles
History of the Eagles

   2013    History
Stephen Hawking's Favorite Places
Stephen Hawking's Favorite Places

   2016    Science
Superstructures: Engineering Marvels
Superstructures: Engineering Marvels

   2019    Technology
The Private Life of Plants
The Private Life of Plants

   1994    Nature