Why Hedgehogs Always Look a Little Grumpy (and Other Things Worth Knowing)
Look at almost any photo of a hedgehog and you will notice the same expression: a tiny, unimpressed squint, like it just found out the price of something it already regretted buying. That is not a coincidence, and it is not really an attitude either. There is a real, physical reason why hedgehogs look grumpy,…
