Cattle blood is so largely wasted that architect Jack Munro decided to make something eco-friendly out of it and created ‘Blood Bricks.’ He mixed cow blood with water and sand and baked it into a waterproof brick. It worked so well, he believes they could replace mud bricks in areas that have dry climates.  Source
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Sea turtles are one of the earth’s most ancient animals. The oldest turtle fossil dates back 215 million years- that’s 150 million years before dinosaurs became extinct. Slow and steady wins the survival race.  Source
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