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History Timeline Flashcards

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Timeless ideas at the intersections of science, philosophy, critical thinking, and history.
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A simple question, when?

Born, discovered, when did or will it, etc.

Stem Selachians: Modern Sharks LCA

~300 million years ago (± 10 million years)

Science Story 
Fish Evolution.

Singularity

13.8 Billion Years Ago

Highly speculative.
Science Story 
Expanding Universe.

Proceratosaurus (T.Rex ancestor)

Lived from 169 to 164 million years ago.

Not a bird ancestor, but part of the theropod mix.
Science Story 
Dinosaur Evolution.

John Snow and the Broad Street Pump

Critical Thinking Story 
Deductive Reasoning.
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