I saw this fascinating optical illusion the other day. Before scrolling down, take a moment to look at the black and white picture on the left and see if you can spot an animal there? If, like me, you can't, then scoll down to look at the identical, but coloured, picture below. The animal is pretty obvious there [bottom left]. And then, if you look back at the black and white picture, the animal is now easily seen in that picture too! What's going on there? The article where I found it said that it was to do with the quality of light (colour), rather than just its existence (black or white). Whatever that means!
The blog entry title also refers to illness. Ava has had a nasty cold and sore throat recently (though taking a break from work doesn't seem to be an option in her mind, which can't help recovery), and I've had a return of neck problems and dizziness this week too. We're both on the mend, I think (hope).
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