Has your cat ever walked across your keyboard? Well, it’s not a new problem. Medieval book historian Erik Kwakkel recently Tweeted this photo of a 15th century book with… you guessed it… cat paw prints in ink on the pages! We’re part of a long and glorious historical movement, friends. (Source: Dr. Marty Becker)
he Golden Tortoise Beetle, as it’s formally known, can change colour and can even alter its reflectivity. Golden tortoise beetles are common beetles that can be found on morning glory leaves, which are their preferred food. They can change colour, looking initially like tiny jewels, or golden ladybugs, by altering the level of reflectivity so the outer layers become clear.