The Digest.

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SciShow summaries

Every long episode from SciShow, read in minutes: the key takeaways, the chapters, and a digest of the whole conversation. SciShow explores the unexpected. We delve into the scientific subjects that defy our expectations and make us even more curious! For more from SciShow, check out SciShow Kids and SciShow Tangents, along with SciShow Space and Psych.

The Pernkopf Atlas: Medicine's Most Controversial Book

The Pernkopf Atlas, a landmark anatomy book, was created using bodies of executed prisoners by Nazi sympathizers, raising profound ethical questions about knowledge acquisition and the exploitation of the vulnerable.

January 29, 2026

Glia Are Your Brain's Most Mysterious Cells

This video reveals how glia, once thought to be mere support cells, are key to understanding critical brain disorders like Alzheimer's.

January 22, 2026

The Successor to CRISPR May Be Even More World Changing

Scientists are exploring TIGR technology as a potentially more powerful successor to CRISPR for gene editing, with broader applications in genetic diseases.

January 20, 2026