A pandemic (from Greek, pan, "all" and demos, "people") is an epidemic of an infectious disease that has spread across a large region, for instance multiple continents or worldwide, affecting a substantial number of people. A pandemic is an epidemic…
One of my most beautiful childhood memories was stone skipping with my dad. It always seemed mysterious to me when the rocks bounced smoothly on a calm sea on a warm summer day.
Skipping stones is a worldwide phenomenon. Eskimos skip rocks on ice a…