Explore Science-first Philosophy

Orangutans Branch Off: Genus Sivapithecus

~ < 1 of audio

Author note. 

Explore voice = Exploratory style. Very punchy. Personal, and lively using “me,” “you,” “us,” and “I” freely.

I want you to feel me right there with you. We use “I” and “me” and “us” without apology. If the Explain voice is a bridge, the Explore voice is the hike we take across it. It is lively, reflective, and sometimes a bit raw. It is the sound of a shared exploration where I lead you by the hand, but we both discover the view at the same time.

This is where I get to think out loud. Not with definitions, we aren’t just looking at the facts; we are looking at how they feel and what they mean for our lives. I’m talking to you about what I’ve found and what I’m still figuring out. It is engaging because it is real, and it is reflective because it is honest.

The goal is real advice and enjoyable reading. I want to land on something you can actually use. It’s about being direct, being punchy, and making sure that by the time we reach the end of the page, we’ve both found something worth keeping.

And now the piece.

Orangutans Branch Off: Genus Sivapithecus

Emerged 12.5 to 12 mya, extinct 8.5 to 7 mya.
Complex Brains; Long-Term Memory; Complex Sentience; Self-aware; Complex EI.

As various great ape species fill niche areas around the globe, branches emerge. The last common ancestor of all known great apes, including humans, lived about 16.5 mya. That branch leads to modern orangatans, which split off again about 12.5 mya. The last known split of the modern orangatan was about 400,000 years ago.

Orangutan ancestor: After the Great Apes LCA, orangutans evolved in Asia. The genus Sivapithecus represents early orangutans. An extinct species of the great apes, they  lived in the Indian subcontinent from around 12 to about 8 million years ago. It is considered a close relative of the orangutan lineage and shares many similarities with modern orangutans, including a similar skull shape and dental structure. Sivapithecus indicus had a more advanced brain than earlier great apes, and its face was likely more protruding and snout-like, similar to modern orangutans. Its discovery in the Siwalik Hills of India and Pakistan has provided important insights into the evolution of the great ape lineage in Asia, and it is thought to have played a key role in the origins of the orangutan genus, Pongo.


That Science Story, 

was first published on TST 2 years ago.

The flashcard inspired by it is this.

All this is part of the broader TST project.
When a source is corrected or expanded, it can be updated once at the tidbit level and reflected everywhere it appears.
TouchstoneTruth is an experiment in whether ideas can remain alive without losing accountability.

The end!

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