If you don't want others to use your photos and images without your permission, you can create a so called custom watermark with your name or any other text you want.
It has been known for years, that some mammals decreased in size significantly during the two ancient global warming events. The same thing could happen as a result of human caused global warning.
Middle ages is a long historic European period where many interesting things have happened. One of them is black plague and the other is dawn of the renaissance.What else do you know about the era?