What was the Little Ice Age?
Rice paddy with a Chinese man planting rice The Medieval Warm period During the later Middle Ages, the climate, at least in some parts of the world, was a little [...]
Rice paddy with a Chinese man planting rice The Medieval Warm period During the later Middle Ages, the climate, at least in some parts of the world, was a little [...]
Opossum The earliest mammals, about 200 million years ago, hatched from eggs and then got milk from their mothers, like the duck-billed platypus. But soon after that, about 125 million [...]
Eohippus - an early kind of horse When mammals first began to grow larger, after the dinosaurs became extinct about 70 million years ago, some of them evolved into the [...]