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1. Cleopatra lived closer to the building of Pizza Hut than the pyramids.

The Great Pyramid was built cerca 2560 BC, while Cleopatra lived around 30 BC. The first Pizza Hut opened in 1958, which is about 500 years closer.

2. Every two minutes, we take as many photos as all of humanity took during the 1800s.

On the left is the first photograph ever taken (1826), View from the Window at Le Gras by French inventor Joseph Nicéphore Niépce. On the right is a cat who accidentally took a picture of itself (2013). It’s estimated that in 2014, humans will take 880 billion photos (not including cats). In fact, 10% of all the photos ever taken were taken in the past 12 months.

3. Oxford University is older than the Aztecs.

Teaching started in Oxford as early as 1096, and by 1249, the University was officially founded. The Aztec civilization as we know it began with the founding of Tenochtitlán in 1325.

5. In the span of 66 years, we went from taking flight to landing on the moon.

In 1903 the Wright brothers successfully flew a plane for a whopping 59 seconds. 38 years later, in 1941, the Japanese used flight to bomb Pearl Harbor. Only 28 years after that, Apollo 11 landed on the moon in 1969.

6. There is more processing power in a TI-83 calculator than in the computer that landed Apollo 11 on the moon.

The guidance computer from the Apollo 11 mission ran at 1.024 MHz, about 1/6th of the processing power of a TI-83 calculator. One is used by students to play Tetris, the other took humans to the moon.

8. John Tyler, America's 10th President, has two living grandchildren.

John Tyler served from 1841 to 1845, a full 20 years before Abraham Lincoln. He had a son, Lyon, at age 63. Lyon would have Lyon Jr. and Harrison at 71 and 75, respectively. Both are still alive today and in their 80's.

9. The first pyramids were built while the woolly mammoth was still alive.

While most mammoths died out long before civilizations arose, a small populations survived until 1650 BC. By that point, Egypt was halfway through its empire, and the Giza Pyramids were already 1000 years old.

13. This is what the difference in Olympic Gold looks like across 56 years of women’s vault.

On the left, Larisa Latinya wins gold for the USSR in 1956. On the right, McKayla Maroney wins gold for the US in 2012.

15. When Warner Brothers formed, the Ottoman Empire was still alive.

Harry, Albert, Sam, and Jack Warner opened their first theater, the Cascade, in New Castle, Pennsylvania in 1903. Meanwhile, the Ottoman Empire spanned from 1299 to 1923, when Turkey became an independent nation.

16. Harvard University was founded before calculus was derived.

Harvard is the oldest higher education institution in the US, founded in 1636. Calculus wasn't derived until later in the 17th century, with the work of Gottfried Leibniz and Isaac Newton.

19. There was more time between the Stegosaurus and the Tyrannosaurus Rex than between the Tyrannosaurus Rex and you.

The Stegosaurus lived ~150 million years ago, while the T-Rex lived only ~65 million years ago. Practically yesterday.

20. If you’re over 45, the world population has doubled in your lifetime.

In 1968, the world population was 3,557,000,000. Today, the world population is 7,217,000,000 and grows by over 200,000 daily.

21. There are whales alive today who were born before Moby Dick was written.

Some of the bowhead whales living off the coast of Alaska are well over 200 years old. They were born well before Moby Dick was written in 1851.

22. If the history of Earth were compressed to a single year, modern humans would appear on December 31st at about 11:58pm.
The human race has lived on Earth for only 0.004% of the planet's history.

I didn't realize some of these, like Oxford being older than the Aztecs. Also, the article is a little old, but I searched and nothing came up.