What Is a Slime Mold?

A slime mold may sound like a disease or an infection, but it’s actually a very odd plant. It’s so odd, in fact, that scientists once thought the slime mold was an …

History of Tobacco

Tobacco

“The pipe draws wisdom from the lips of the philosopher, and shuts up the mouth of the foolish,” wrote W.M. Thackeray a hundred years ago; and to this day, pipe smoking retains …

What Is Fog?

Fog is actually a cloud, but it is a low cloud that lies close to the ground or sea. It is formed when warm currents of air hit against cold air resting …

Who Was Cheng Ho?

While the Islamic Empire spread from Spain to India, Chinese ships were traveling to Japan, Arabia, and even to the southern tip of Africa. The Chinese sailors traveled in junks, some of …

What Is the Northernmost City In the World?

If you ever wanted to spend some time in a city as far away as possible from the rest of the world, you couldn’t find many more remote towns than Hammerfest. This …