Is it possible that mankind was brought to Earth as part of an alien experiment on evolution? The following list outlines reasons why humans may not be native to this planet, and may have been brought here by an extraterrestrial race who escaped a destroyed world. 1. Sunlight Humans, in contrast with other species, cannot sunbath for more than a given time per day without getting sunburned. This indicates that the human body was not designed for constant exposure to the sun. The same can be said for our eyes, our eyes are very sensitive to the sunlight around us and without being taught safe procedures, our eyes would be damaged at an early age. 2. Bad backs The problems that mankind faces with back/spine problems are a clear indication that our bodies are not built so perfectly as the natural world would lead us to believe. It could bode questions that our original environment (for humans) may not have been surrounded by such heavy gravity. Earth’s heavier gravity puts strain on the skeleton and the result could be the reason our bodies suffer from such pains, we are used to an atmosphere that is lighter then this one. 3. [...]