Porcupines show humans how design is done.

Firstly I apologise to my regular readers for not putting up any posts in the last few weeks (months!). My new job is going well, but as I’m sure you can all understand it has taken priority! But do not fear, I’m back, and I’m going to try my best to get posting regularly again!

When I moved to Cambridge I had a lot of ‘stuff’ I had accumulated, including two very prickly cacti. One of the thorns from the cacti got caught in my finger and, when I tried to pull it out it snapped, so it was stuck in my finger! Highly inconvenient to me, but it did get me thinking about animal and plant defences, as well as the pain they can cause!

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