Guest Post: The military, rogue soldiers and the immune system

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Regulatory T cells have prevented damage to a transplanted skin graft caused by other immune cells as can be seen by the skin being intact (red) as well as the vessels (green). The blue colour stains all the cells present in the skin. © Sim Tung, 2016

“Are there any supplements I can take to help my immune system?” “Will going vegan boost my immune system? Or what about organic food?” These are just some of the questions I get asked when I tell people I am a PhD candidate in immunology.

Those who aren’t yet bored of hearing about my PhD normally ask heavy questions that require technical answers. After all, how do you explain your field of work without throwing in the big fancy words? I myself can barely understand jobs in Finance or IT – cue Chandler Bing failing to explain ‘data-reconfiguration-and-statistical-analysis’ to his Friends for 10 years.  Anyway, in these moments it feels pretty awesome to see someone get excited and curious about science instead of Love Island. Continue reading

Book Preview: Is There Purpose in Biology? The cost of existence and the God of love

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‘St George and the dragon’, an artistic interpretation of a T lymphocyte killing a cancer cell, Wellcome images, © Odra Noel

Reactions to the question “Is There Purpose in Biology?” are likely to vary greatly. One reaction will be “of course not”: watch your favourite natural history programme and it’s obvious that chance rules. Some animals get lucky and do well, others get eaten young, and there’s no overall rhyme nor reason to it. Others responding to the same question, most likely coming from a religious worldview, will respond “of course”: God has an overall purpose for everything, including biology. Others, perhaps the majority, are more likely to say: “Well it all depends on what you mean by purpose…” Continue reading