Share of population aged over 65 🇲🇨 Monaco: 36% 🇯🇵 Japan: 30% 🇮🇹 Italy: 24% 🇫🇮 Finland: 23% 🇵🇹 Portugal: 23% 🇬🇷 Greece: 23% 🇧🇬 Bulgaria: 22% 🇩🇪 Germany: 22% 🇫🇷 France: 21% 🇩🇰 Denmark: 20% 🇸🇪 Sweden: 20% 🇳🇱 Netherlands: 20% 🇪🇸 Spain: 20% 🇦🇹 Austria: 19% 🇨🇭 Switzerland: 19% 🇬🇧 UK:… , page 18

Share of population aged over 65

🇲🇨 Monaco: 36%
🇯🇵 Japan: 30%
🇮🇹 Italy: 24%
🇫🇮 Finland: 23%
🇵🇹 Portugal: 23%
🇬🇷 Greece: 23%
🇧🇬 Bulgaria: 22%
🇩🇪 Germany: 22%
🇫🇷 France: 21%
🇩🇰 Denmark: 20%
🇸🇪 Sweden: 20%
🇳🇱 Netherlands: 20%
🇪🇸 Spain: 20%
🇦🇹 Austria: 19%
🇨🇭 Switzerland: 19%
🇬🇧 UK: 19%
🇨🇦 Canada: 19%
🇳🇴 Norway: 18%
🇺🇸 US: 17%
🇦🇺 Australia: 17%
🇰🇷 South Korea: 17%
🇷🇺 Russia: 16%
🇮🇪 Ireland: 15%
🇹🇭 Thailand: 15%
🇨🇳 China: 13%
🇦🇷 Argentina: 12%
🇧🇷 Brazil: 10%
🇹🇷 Turkey: 8%
🇻🇪 Venezuela: 8%
🇲🇽 Mexico: 8%
🇮🇷 Iran: 7%
🇮🇳 India: 7%
🇮🇩 Indonesia: 7%
🇿🇦 South Africa: 6%
🇪🇬 Egypt: 5%
🇵🇰 Pakistan: 4%
🇮🇶 Iraq: 3%
🇳🇬 Nigeria: 3%
🇸🇦 Saudi Arabia: 3%
🇦🇪 UAE: 2%

(United Nations Population Division)

1周内 1个月内 1年内全部时间

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[source of the photo: ]
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2年前 • ISW • -- 点击 0 评论

🇺🇸 US national debt.

1st of January, 2000: $5.7 trillion

1st of January, 2010: $12.3 trillion

1st of January, 2020: $23.2 trillion

Now: $32.5 trillion
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[read more: ]
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It's certainly obvious for most of you, but in case you never thought about it

X% of Y is the same as Y% of X

so for example if calculating 32% of 50 may not be that easy, the result is the same as 50% of 32, which is 16

[read more: ]
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2年前 • Massimo • -- 点击 0 评论

时政

时政

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有趣

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🇺🇸 US national debt. 1st of January, 2000: $5.7 trillion 1st of January, 2010: $12.3 trillion 1st of January, 2020: $23.2 trillion Now: $32.5 trillion 时政 ( twitter.com)

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It's certainly obvious for most of you, but in case you never thought about it X% of Y is the same as Y% of X so for example if calculating 32% of 50 may not be that easy, the result is the same as 50% of 32, which is 16 [read more: ] 有趣 ( ow.ly)

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The imperial Armor of Sultan Mustafa III of the Great Ottoman Empire. 有趣 ( twitter.com)

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One of the best images of Jupiter photographed by NASA's Juno probe 有趣 ( twitter.com)

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Time lapse of the June 16, 2019 march of 2 million people in #HongKong. One of the largest protests in history. From daylight to darkness, over the course of 7 hours. All we want is freedom and democracy.
时政
( twitter.com)

For around $150, plexiglass, water, lenses, and ordinary mirrors, professor of Physics at the University of Rochester John Howell built an uni-directional optical cloaking device.

This video shows one of the devices and two of his sons

有趣
( twitter.com)

"The decline of major global empires has often rested upon an act of strategic naïvety."
Chris Ogden & Mark Bhaskar in their "The Power of Unintended Consequences: Strategic Naïvety, China and the End of the US Empire."

#imperialdecline
时政
( onlinelibrary.wiley.com)

Resonance describes the phenomenon of increased amplitude that occurs when the frequency of an applied periodic force (or a Fourier component of it) is equal or close to a natural frequency of the system on which it acts

有趣
( twitter.com)

One of the best examples of cryptic plumage and mimicry in Australian birds is seen in the tawny frogmouth which perch low on tree branches during the day camouflaged as part of the tree

[source of the photo: ]
有趣
( buff.ly)

Geolocated footage published on August 20 and August 21 indicates that Ukrainian forces reached the central part of #Robotyne (10km south of Orikhiv) and broke through some Russian defenses south of Mala Tokmachka (9km southeast of #Orikhiv). 🧵
时政
( isw.pub)

🇺🇸 US national debt.

1st of January, 2000: $5.7 trillion

1st of January, 2010: $12.3 trillion

1st of January, 2020: $23.2 trillion

Now: $32.5 trillion
时政
( twitter.com)

Every point of light in this image is an entire galaxy, each containing billions of stars, trillions of planets and who knows, may be life.
有趣
( twitter.com)

"The value of a college education is not the learning of many facts but the training of the mind to think."

-- A. Einstein (1879 - 1955)
时政
( twitter.com)

This video gives an idea of the amount of rain fallen in China in the last few days after the remnants of super storm Doksuri

时政
( twitter.com)

Life before the invention of AutoCAD. An overview of historical photos before the advent of computer-aided design and drafting software (1950-1980)

[read more: ]
有趣
( buff.ly)

Realizing one of your friends will attend all of the group’s funerals , they will then be alone , and none of their friends will attend his
有趣
( twitter.com)

It's certainly obvious for most of you, but in case you never thought about it

X% of Y is the same as Y% of X

so for example if calculating 32% of 50 may not be that easy, the result is the same as 50% of 32, which is 16

[read more: ]
有趣
( ow.ly)

Incredible shot of The Pyramids of Giza by Karim Amr (IG/krimamr)
有趣
( twitter.com)

A Periodic Table of which country produces the most of each element
有趣
( twitter.com)

Elephant Mask of the Bamileke /Cameroon
(Art, Dance and Rituals of Africa)
时政
( twitter.com)

What of Earth was the centre of the solar system?
📹 orbitgeo
时政
( twitter.com)

Footage of Trumps shooter being dragged out of the rally by police
有趣
( twitter.com)

View of the Milky Way over the Temple of Karnak in Egypt.
有趣
( twitter.com)

The awesome view of the underside of mushroom cap by Isabelle Soule …
有趣
( twitter.com)

A time-lapse of a 3D printing process of an articulated dragon.

有趣
( twitter.com)

The imperial Armor of Sultan Mustafa III of the Great Ottoman Empire.

有趣
( twitter.com)

One of the best images of Jupiter photographed by NASA's Juno probe
有趣
( twitter.com)