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Genomic analysis of an oak tree that lived during Napoleon’s time supports the idea that plants somehow avoid the accumulation of mutations in their stem cells.

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A study suggests that “chief” cells in the stomach act as reserve stem cells that are activated by tissue damage and may be the long-sought source of gastric cancer.

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image: Art’s Diagnosticians

Art’s Diagnosticians

By | June 12, 2017

Physicians peer into the subjects of artistic masterpieces, and find new perspective on their own approach to diagnosing maladies.

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The new fossils push the origin of the human species back by 100,000 years.

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image: Mammals May Have a 12-Hour Clock

Mammals May Have a 12-Hour Clock

By | June 6, 2017

Data point to peaks in gene expression in the morning and evening that are distinct from day-night circadian cycles.

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image: Book Excerpt from <em>Behave</em>

Book Excerpt from Behave

By | June 1, 2017

In the book’s introduction, author and neuroendocrinologist Robert Sapolsky explains his fascination with the biology of violence and other dark parts of human behavior.

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The human brain’s insular cortex is adept at registering distaste for everything from rotten fruit to unfamiliar cultures.

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image: Mammalian Jaws Evolved to Chew Sideways

Mammalian Jaws Evolved to Chew Sideways

By | June 1, 2017

Parallel evolution in jaws and teeth helped early mammals diversify their diets.

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These engineered “cells” were made from the secretions and membranes of human mesenchymal stem cells.

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See researchers' recipe for synthetic mesenchymal stem cells, which showed cardiac regenerative potential in mice.

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