Have you ever heard of a man named Johannes Gutenberg? During the middle of the 15th century, around the year 1450,
[661È£]
Have you ever found something while digging in the ground? John Lambert discovered an ancient bone!
[660È£]
Have you ever wondered where surfing comes from? Who was the first person to hop on a flat board and
[659È£]
Have you stopped to consider the impact of salt on human development? The story goes like this:
[658È£]
Perhaps you have heard the phrase ¡°startup company,¡± while reading newspapers or perusing the Internet.
[657È£]
Recently, images from countries, such as China and Singapore, showed the world the ugly consequences of
[656È£]
Do you think about how your cell phone was invented? What about how huge buildings and cities are made
[655È£]
Have you ever wondered which painter¡¯s work is the most expensive of all time? Since the 19th century, sales
[654È£]
Have you ever wondered why denim is traditionally colored blue? It all goes back to the American West.
[653È£]
What do you know about clouds floating in the sky? Most of you may know that clouds are made up of water vapor
[652È£]
[ÀÌÀü10°³] 51 52 53 54 55 56 57 58 59 60 [´ÙÀ½10°³]