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Seasonal Variation in Immunity, Chemosynthesis, Role of the ISS, Storing Digital Data in DNA

BBC Inside Science

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The Evolution of Immune Gene Expression

In prehistoric humans, the balance between energy conservation and making an immune response to infection must have been highly critical. What I think has happened is that a whole series of genes have elected to be up regulated in the immune response. It comes with changes in genes that control metabolism, so that not all the immune response is switched off when energy conservation during starvation becomes absolutely critical. So it might be that it's an adaptation to people moving out of Africa and out from the equator and into more seasonal climbs like we have in the UK.

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