Spitting Cobras, found in Africa and Asia, kill thousands of people each year. Learn about their deadly fangs on this Moment of Science.
Search engines aren’t smart and don’t check their data for accuracy. When you go to an Internet search engine and type in something like obesity, less than a quarter of the initial links will lead you to relevant content.
But the farther away the gun is, the wider the beam gets spread so that only a small fraction of the total light power can go into anyone’s eye.