Chrissy’s Reviews > Cosmos > Status Update
Chrissy
is on page 17 of 384
- Humanity stands at the "shore" of a vast cosmic ocean
- Eratosthenes, head of the Library of Alexandria, calculated the Earth’s size over 2,000 years ago using shadows, distance and geometry
- Ancient Alexandria shows how scientific understanding grew through questioning assumptions about the natural world
- Curiosity and exploration drive us to look beyond what we already know, and understand how we fit into it
— Sep 15, 2026 04:00AM
- Eratosthenes, head of the Library of Alexandria, calculated the Earth’s size over 2,000 years ago using shadows, distance and geometry
- Ancient Alexandria shows how scientific understanding grew through questioning assumptions about the natural world
- Curiosity and exploration drive us to look beyond what we already know, and understand how we fit into it
Like flag
Chrissy’s Previous Updates
Chrissy
is on page 31 of 384
- All life on Earth shares a common evolutionary ancestry
- The artificial selection of Heike crabs resembling samurai warriors are an example of evolution through natural selection
- Well-adapted organisms are the result of enormous amounts of evolutionary filtering
- How did the universe go from non-living matter to living organisms? Sagan believes life can arise naturally from chemistry under the right conditions
— Sep 16, 2026 04:52AM
- The artificial selection of Heike crabs resembling samurai warriors are an example of evolution through natural selection
- Well-adapted organisms are the result of enormous amounts of evolutionary filtering
- How did the universe go from non-living matter to living organisms? Sagan believes life can arise naturally from chemistry under the right conditions

