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In this episode of What On Earth?!, we’re diving into geological time. This is Part 1.

Ever wondered how scientists make sense of 4.6 billion years of Earth history? How do you even begin to divide that into something understandable? And why do some chapters of Earth’s past end so dramatically?

We’re going all the way back to the Precambrian and the Paleozoic, a time when Earth was a very different place.

We start in the Precambrian, where life is tiny, the atmosphere is changing, and the planet is still forming into the layered, dynamic system we know today. Think rising oxygen, shifting supercontinents, and even moments where ice may have covered almost the entire globe.

Then we move into the Paleozoic, where life really starts to get interesting. Oceans fill with bizarre creatures, early fish begin to appear, and for the first time ever, life starts making the move onto land. Plants, insects, and eventually vertebrates begin exploring a completely new world.

Along the way, we touch on moving continents, changing climates, and the big events that shape life on Earth, including one of the most dramatic mass extinctions in our planet’s history.

If you like big stories, strange lifeforms, and understanding how our planet became what it is today, this episode is for you.

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Erscheinungs­datum: 26.3.2026, 12:00:00