By Natural Philosopher Michael Alan Prestwood
By Natural Philosopher Michael Alan Prestwood
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From Year 0 (BCE/CE): -638000000
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First Egg Layers

First Egg Layers

The evolution of egg-laying evolved before fish. It is thought to have developed with or shortly after the emergence of the first multicellular animals, around 640 million years ago.

  • Kingdom: Animalia > Phylum: Porifera (sponges) and Cnidaria (jellyfish, corals, etc.)
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WWB Season 7 — Returning 2026!

I’m taking this time to catch up with the paired videos for recent WWB editions, and to restructure the WWB into seasions of 10 weeks: four 1-Minute Hot Topics. Each week featureing a tidbit in science, philosophy, critical, thinking, and history. Follow the TST YouTube channel to catch all new videos. –Mike

Weekly Wisdom Builder 
Season 6: Cognition & Ideas
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December 3, 2025 Edition
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