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Cells Blaze Their Own Trails to Navigate Through the Body
With self-generated gradients of chemicals and physical tension, cells in the body steer themselves to vital destinations.
New Genomic Study of Placenta Finds Deep Links to Cancer
A patchwork of genomic differences in the placenta may explain the organ’s “live fast, die young” strategy and its connections to cancer.
Can New Species Evolve From Cancers? Maybe. Here’s How.
Researchers agree it’s a long shot, but transmissible cancers could theoretically evolve into independent species. Certain weird parasites might be living proof.
Oxygen and Stem Cells May Have Reshaped Early Complex Animals
An unlikely team offers a controversial hypothesis about what enabled animal life to get more complex during the Cambrian explosion.
Why Don’t Patients Get Sick in Sync? Modelers Find Statistical Clues.
The long, variable times that some diseases incubate after infection defies simple explanation. An idealized model of tumor growth offers a statistical solution.