Animal world
Birds are smaller than pennies
With a body weight of only 1.6 to 2 grams, not as heavy as an American coin, bees hummingbirds deserve to hold
Coin
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Articles about Coin
213 published items.
Animal world
Small frog with a coin
US scientists have discovered a tiny frog in the Andes in Peru. They think this may be the smallest frog on the planet.
Animal world
Orangutans also know how to spend money
In addition to the ability to recognize the value of coins, orangutans also know how to use them to buy food and perform exchange behaviors.
Animal world
Animals can also understand and use symbols
From paintings and photos to coins or credit cards, symbolic artifacts surround us. The mental symbolism of the symbol - the object representing another object - brings…
Scientific application
Currency in ancient civilization
Coins, as well as hierarchical relationships and domination, are not new things created today. It has existed in civilizations even more ancient than the basin civilizat…
Environment
The 'wonders' fall from the sky
In the history of the world, many people have seen strange objects falling from the sky. Many times these
Environment
The lake has a unique color change for coins
The Morning Glory lake, once blue, has changed into a unique red, yellow and green color.
Environment
See green tree-lined streets in Hanoi
The routes of Kim Ma, Phan Dinh Phung, Thanh Nien, Lang and many other streets in Hanoi are only beautiful and romantic when there are green trees in the shade, especial…
Environment
Generate electricity from coins
Entrepreneurs take advantage of the fluctuations in the value of the money in the market to make a profit, while Jonathan Keat, an American painter, comes up with the id…
Funny corner
2 puzzles prove your mind is faster than 80% of the population
Not only is the way of thinking, puzzle is also a way to show the world how fast and breakthrough your ability to think.
Funny corner
The wall of gum is famous in America
This wall of all chewing gum attracts a lot of tourists, and of course they also want to have their candies attached to this famous wall.
Funny corner
Take a test
The teacher is giving the students a multiple choice test. Seeing Toto juggling a coin, the teacher asked: - What the hell are you doing?
Photo library
35 interesting pictures startle you
Surely you will be amazed by the world around us when viewing these photos.
Photo library
What do countries eat during the Lunar New Year?
Grapes, fish, green vegetables, pork, pomegranate ... are selected by some countries for the occasion of the beginning of the year, hoping to have a prosperous, healthy…
Photo library
10 very interesting facts about Google
Google has a lot of extremely interesting tricks that certainly many people don't know about these things.