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On the hunt for natural or chance configurations? You’ve come to the right place. Here are a few of our favorite patterns: 1) The moiré pattern in physics is the wavy geometrical design that happens when one set of lines (straight or curved) is superposed onto another set.

On the hunt for natural or chance configurations? You’ve come to the right place. Here are a few of our favorite patterns: 1) The moiré pattern in physics is the wavy geometrical design that happens when one set of lines (straight or curved) is superposed onto another set.

73,146 次观看

Figure skating jumps are divided into two types: edge jumps and toe jumps, differentiated by their take-offs. Edge jumps take off using the edge of a skate, and include: - Axel - Loop - Salchow The axel is generally considered the most difficult jump in figure skating. 🧵⬇️

Figure skating jumps are divided into two types: edge jumps and toe jumps, differentiated by their take-offs. Edge jumps take off using the edge of a skate, and include: - Axel - Loop - Salchow The axel is generally considered the most difficult jump in figure skating. 🧵⬇️

224,748 次观看

Maybe go light on the roast beast this year.

Maybe go light on the roast beast this year.

90,908 次观看

In 1609, Italian mathematician and philosopher Galileo created his own telescope and began observing the heavens. His discoveries were earthshaking, and in 1610, he wrote a book, 'Sidereus Nuncius' (The Sidereal Messenger), to describe what he'd seen.

In 1609, Italian mathematician and philosopher Galileo created his own telescope and began observing the heavens. His discoveries were earthshaking, and in 1610, he wrote a book, 'Sidereus Nuncius' (The Sidereal Messenger), to describe what he'd seen.

24,076 次观看

(solemnly) You've had mail.

(solemnly) You've had mail.

60,174 次观看

Published in Beeton’s Christmas Annual of 1887, the story marks the first appearance of Sherlock Holmes and Dr. Watson.

Published in Beeton’s Christmas Annual of 1887, the story marks the first appearance of Sherlock Holmes and Dr. Watson.

18,024 次观看

Homo erectus, the extinct species of the human genus, appears to have been the first human species to control fire, some 1,000,000 years ago. The species seems to have flourished until about 200,000 years ago before giving way to other humans including Homo sapiens.

Homo erectus, the extinct species of the human genus, appears to have been the first human species to control fire, some 1,000,000 years ago. The species seems to have flourished until about 200,000 years ago before giving way to other humans including Homo sapiens.

17,712 次观看

The lutz is a difficult maneuver marked by a long backward arcing glide into the jump, and is landed on the opposite foot from the one used for takeoff. When a skater messes up this jump, the mistake is often called a “flutz.”

The lutz is a difficult maneuver marked by a long backward arcing glide into the jump, and is landed on the opposite foot from the one used for takeoff. When a skater messes up this jump, the mistake is often called a “flutz.”

12,343 次观看

The toe loop begins with the skater moving backward and ends on the same foot used for takeoff. It is generally considered the easiest of the competitive jumps to perform. (Easy for us to say.)

The toe loop begins with the skater moving backward and ends on the same foot used for takeoff. It is generally considered the easiest of the competitive jumps to perform. (Easy for us to say.)

11,843 次观看

Videos

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Want to feel young? We're still 250 million years away from Pangea Proxima.

Want to feel young? We're still 250 million years away from Pangea Proxima.

Encyclopaedia Britannica

66,782 次观看 • 25 天前

We literally made a whole video about this.

We literally made a whole video about this.

Encyclopaedia Britannica

258,323 次观看 • 5 个月前

Everything from the Apollo landing sites is still on the Moon... exactly where it was left. Congratulations to NASA and the Artemis II crew on a spectacular mission!

Everything from the Apollo landing sites is still on the Moon... exactly where it was left. Congratulations to NASA and the Artemis II crew on a spectacular mission!

Encyclopaedia Britannica

35,565 次观看 • 1 个月前

One of the first dinosaur fossils found in England was discovered in the 1600s. Scientist Robert Plot guessed that it was the leg bone of an elephant brought there by the Romans. After comparing it to elephant bones, he decided it was actually the thigh bone of a giant human.

One of the first dinosaur fossils found in England was discovered in the 1600s. Scientist Robert Plot guessed that it was the leg bone of an elephant brought there by the Romans. After comparing it to elephant bones, he decided it was actually the thigh bone of a giant human.

Encyclopaedia Britannica

22,783 次观看 • 1 个月前

The internet is chaotic; badgers are simple. Please enjoy this video of one of our favorite stout carnivores from our archives.

The internet is chaotic; badgers are simple. Please enjoy this video of one of our favorite stout carnivores from our archives.

Encyclopaedia Britannica

28,243 次观看 • 2 个月前

In honor of National Pet Day, we'd like to tip our hats to all the cat owners out there. Fifteen thousand years of cat-human relationships, and we're still figuring them out.

In honor of National Pet Day, we'd like to tip our hats to all the cat owners out there. Fifteen thousand years of cat-human relationships, and we're still figuring them out.

Encyclopaedia Britannica

23,904 次观看 • 1 个月前

It's been a privilege and a pleasure to share our love of knowledge with you this year! Here are some of our most-liked posts of 2025.

It's been a privilege and a pleasure to share our love of knowledge with you this year! Here are some of our most-liked posts of 2025.

Encyclopaedia Britannica

45,641 次观看 • 5 个月前

Turns out cows may have beauty and brains.

Turns out cows may have beauty and brains.

Encyclopaedia Britannica

38,671 次观看 • 4 个月前

On June 5, 1985, Ferris Bueller took the day off. On April 15, 1874, the first impressionist exhibition opened in Paris. The two were always bound to meet.

On June 5, 1985, Ferris Bueller took the day off. On April 15, 1874, the first impressionist exhibition opened in Paris. The two were always bound to meet.

Encyclopaedia Britannica

82,421 次观看 • 1 年前

Loons feed mainly on fish, crustaceans, and insects, which you could say are their heated rivals.

Loons feed mainly on fish, crustaceans, and insects, which you could say are their heated rivals.

Encyclopaedia Britannica

27,071 次观看 • 5 个月前

President John F. Kennedy’s address at Rice University stressed the importance of the United States becoming an international leader in space exploration. May times of stress bring out the determination in all of us.

President John F. Kennedy’s address at Rice University stressed the importance of the United States becoming an international leader in space exploration. May times of stress bring out the determination in all of us.

Encyclopaedia Britannica

17,246 次观看 • 3 个月前

There's a lot happening on the internet, so we hope this video of a black skimmer feeding at twilight brings a moment of relaxation. Sound up for maximum zen.

There's a lot happening on the internet, so we hope this video of a black skimmer feeding at twilight brings a moment of relaxation. Sound up for maximum zen.

Encyclopaedia Britannica

27,505 次观看 • 6 个月前

Happy 99th birthday to the man who has 50 over organisms named after him, including frogs, carnivorous plants, dragonflies, trees, and massive fossilized plesiosaurs. Cheers, Sir David Attenborough.

Happy 99th birthday to the man who has 50 over organisms named after him, including frogs, carnivorous plants, dragonflies, trees, and massive fossilized plesiosaurs. Cheers, Sir David Attenborough.

Encyclopaedia Britannica

43,519 次观看 • 1 年前

On March 10, 1876, Alexander Graham Bell made the first successful telephone call to inventor Thomas Augustus Watson. Years later, Watson was recorded describing that first call ⬇️

On March 10, 1876, Alexander Graham Bell made the first successful telephone call to inventor Thomas Augustus Watson. Years later, Watson was recorded describing that first call ⬇️

Encyclopaedia Britannica

14,166 次观看 • 2 个月前

2025: Year in Review Relive the big events of this year with us.

2025: Year in Review Relive the big events of this year with us.

Encyclopaedia Britannica

20,968 次观看 • 5 个月前

Yams and sweet potatoes are botanically not even closely related, but are often confused for one another. What's the difference between these plants?

Yams and sweet potatoes are botanically not even closely related, but are often confused for one another. What's the difference between these plants?

Encyclopaedia Britannica

16,448 次观看 • 6 个月前

A hummingbird typically weighs less than a marshmallow which is so cute we can’t think about anything else. Please consider this fact and video your timeline cleanse for the day.

A hummingbird typically weighs less than a marshmallow which is so cute we can’t think about anything else. Please consider this fact and video your timeline cleanse for the day.

Encyclopaedia Britannica

26,736 次观看 • 1 年前

How do hurricanes get their names?

How do hurricanes get their names?

Encyclopaedia Britannica

18,316 次观看 • 9 个月前

What you see in your "mind's eye" may be very different from the people around you...

What you see in your "mind's eye" may be very different from the people around you...

Encyclopaedia Britannica

22,570 次观看 • 1 年前

Ranked choice voting was invented in the 1850s in Europe for multi-winner elections, and later adapted to its current single-winner form. The first use of RCV in the U.S. occurred in 1915, when Ashtabula, Ohio, used it to elect its city council. Here's how it works.

Ranked choice voting was invented in the 1850s in Europe for multi-winner elections, and later adapted to its current single-winner form. The first use of RCV in the U.S. occurred in 1915, when Ashtabula, Ohio, used it to elect its city council. Here's how it works.

Encyclopaedia Britannica

18,159 次观看 • 11 个月前