NOVA: Season 53

Season 53 overview

The opening episodes examine whether asteroid impacts helped life begin and how new evidence is changing accounts of Angkor and Göbekli Tepe. They combine questions about ancient history with scientific investigation.

Key story beats

  1. Asteroid Bombardment — Early Earth is described as a molten, volcanic wasteland subjected to colossal asteroid impacts.
  2. Impact-Origin Hypothesis — The episode explores the theory that impacts supplied ingredients and energy needed for life to begin.
  3. Angkor’s Imperial Rise — Angkor flourished as the seat of the Khmer Empire and became one of the world's largest cities.
  4. Jungle-Covered City — The city was abandoned and swallowed by jungle; new technology and discoveries investigate its past.
  5. Dogs and Word Buttons — Dog owners use word buttons and claim that the devices enable canine communication.
  6. Testing Canine Understanding — Scientists investigate whether dogs understand words and use them creatively, or are responding through conditioning.
  7. Therapsid Ancestors — The episode traces mammal origins to therapsids, which had reptile-like appearances and emerging mammalian traits.
  8. Surviving Catastrophes — Therapsids survived global catastrophes through adaptations that included burrowing and the emergence of warm-bloodedness.
  9. Göbekli Tepe Settlement — The site was long interpreted as a religious center built by nomadic hunter-gatherers.
  10. Evidence of Year-Round Life — New evidence indicates a settled hunter-gatherer community lived at the site year-round for centuries.
  11. Artemis Moon Mission — The Artemis program aims to return astronauts to the Moon and establish a lunar space station.
  12. Ten-Day Lunar Journey — The episode follows Artemis II engineers and crew on a perilous ten-day journey to orbit the Moon.
  13. Rain Bomb Destruction — Catastrophic atmospheric events are described as sinking superyachts and bringing down planes.
  14. Investigating Atmospheric Forces — Scientists study how the events form and cause damage using simulations and drone expeditions into thunderclouds.
  15. Democracy’s Archaeological Traces — Archaeological investigations examine the origins of democracy in Greece 2,500 years ago.

Seasons

Interactive Features

Episode Guide

Content sources

Plot analysis generated from content on Wikipedia, licensed under CC BY-SA 4.0.

Related entry on Wikidata (Q3071768), public domain (CC0).