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Determining how and why cells make decisions

Cells are constantly making decisions that lead to differentiation. For instance, cells in an embryo make a series of decisions that determine whether they will become neurons in some cases and muscle cells in others. How ...

Amphibian die-off leads to malaria spike in Latin America

Dozens of species of frogs, salamanders and other amphibians quietly disappeared from parts of Latin America in the 1980s and 2000s, with little notice from humans, outside of a small group of ecologists. Yet the amphibian ...

T cells use force to destroy cancer cells

As a part of our immune defenses, cytotoxic T cells—or killer T cells—seek out and destroy cells that are infected or cancerous. This process is essential for the body's defense against diseases.

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