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.
What is sea level, is it better to walk or run in the rain, why is it dark at night, what is dark matter and many more questions explained in short videos in a real fun and intuitive way.
The evidence of ancient bacteria were found in rocks that are extremely rare, and If scientists happen to stumble upon them, they're almost always compromised by forces of nature.