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History Timeline Flashcards

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Viruses
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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.

The K-Pg Extinction

66.04 million years ago (+/- 900 years).

Cause: Massive Meteor
Viruses Story 
Evolution.

Virus: Varidnaviria

~2.75 Billion years ago (+/- 200 million)

double jelly-roll capsid DNA viruses
Viruses Story 
Virus Evolution.

Monodnaviria

~1.75 Billion years ago (+/- 200 million)

single-stranded DNA viruses
Viruses Story 
Virus Evolution.

Snowball Earth: When Ice Reached the Equator

From 717 million years ago through 635.

Cause: Continental Drift, Falling CO₂
Viruses Story 
Evolution.
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