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Biology

On the Aging Adaptive Immune System

An interesting fact about the adaptive immune system: the number of T cells in the body remains much the same across the entire lifespan, even after the supply of new T cells all but ceases in middle age. T cells are created as…

The key to proper muscle growth

Credit: Birchmeier Lab, MDC When a muscle grows, because its owner is still growing too or has started exercising regularly, some of the stem cells in this muscle develop into new muscle cells. The same thing happens when an

Rare bee found after 100 years

Rainforest degradation, wildfire reducing species Credit: James Dorey Photography A widespread field search for a rare Australian native bee not recorded for almost a century has found it’s been there all along – but is

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