Guest Post: T Cells – a wonder and a signpost

Human neutrophil ingesting MRSA - By National Institutes of Health (NIH) [Public domain], via Wikimedia Commons
Human neutrophil ingesting MRSA – By National Institutes of Health (NIH) [Public domain], via Wikimedia Commons
There are many amazing complex systems in our bodies, but the immune system beats them all, recognising foreign invaders like bacteria, viruses and parasites and fighting them off.

How do our bodies manage to recognise virtually any kind of foreign invader that we might meet anywhere in the world? Continue reading

The Wood-Wide Web

© RM Bancewicz
© RM Bancewicz

This spring, I experienced old-growth forest for the first time. I’m not sure that we have such undisturbed woodlands left in the UK[1], but on a visit to Vancouver Island I saw the most incredible temperate rainforest that made recent tree plantations look completely and utterly sterile. Owing to the relatively mild, wet climate of British Columbia, mosses and ferns cover nearly every available surface, and the undergrowth is close to impenetrable. Continue reading

Guest Post: Wonders of the Cell

Leaf cross-section © K Szkurlatowski, freeimages.com
Leaf cross-section © K Szkurlatowski, freeimages.com

Most scientists get excited when talking about science in general.  But they get really animated when talking about their own area of research. I spent my PhD years studying microtubules, which are microscopic filaments inside living cells, and even now I get a little misty-eyed when thinking about them.  To some people, microtubules might not be beautiful – in some images they look rather like a writhing hairball or bowl of spaghetti – but Continue reading