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A free, collaborative, multilingual internet encyclopedia. wikipedia.org
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At first glance, Hierve el Agua in Oaxaca, Mexico, might look like a cascading waterfall, but it is actually a natural wonder of "petrified waterfalls". These rock formations are made of minerals deposited over thousands of years by spring water flowing down the cliffs. 🧵⬇️ (1/5)

submitted 11 hours ago • 1 comment

What happens when science fiction, African culture, and technology collide? 🌍✨ Afrofuturism reimagines the future through a Black cultural lens, blending the creativity of the African diaspora with bold visions of what is possible. Learn more ➡️ w.wiki/6NWr

submitted 1 day ago • 0 comments

Born on this day in 1875, Jeanne Calment holds the record for the longest confirmed lifespan at 122 years, 164 days. In later years, she embraced life fully – taking up fencing at 85 and cycling at 100. Her enduring humor and resilience continue to inspire generations. Read more ➡️ w.wiki/3k56

submitted 2 days ago • 8 comments

It is believed that there are more people who speak multiple languages ​​in the world than people who speak just one. Celebrated on 21 February, the International Mother Language Day emphasizes the significance of linguistic diversity and the preservation of mother tongues worldwide. 🧵⬇️ (1/5)

submitted 2 days ago • 5 comments

What does your preference say about you? 🧻 Research suggests the "over" method is more popular and seen as more convenient, while "under" is preferred for tidiness. We are not weighing in, but the 1891 patent for perforated toilet paper shows illustrations with the "over" position. ➡️ w.wiki/L3n

submitted 3 days ago • 14 comments

On 16 October 1968, during the Olympic medal ceremony for the 200-meter race, American sprinters Tommie Smith and John Carlos used their moment of victory to protest racial discrimination. As the US national anthem played, they raised black-gloved fists. 🧵⬇️ (1/4)

submitted 4 days ago • 2 comments

Looking for your next favorite director? Safi Faye was a trailblazing filmmaker and ethnologist from Senegal, renowned as the first Sub-Saharan African woman to direct a commercially distributed feature film. Learn more about Safi Faye's life and work ➡️ w.wiki/Cj3P

submitted 5 days ago • 0 comments

How big is that island, really? The Mercator projection, introduced in 1569, revolutionized navigation by representing lines of constant course, known as rhumb lines, as straight segments. This innovation was invaluable for sailors charting their paths across the seas. 🧵⬇️ (1/3)

submitted 6 days ago • 3 comments

The unmistakable sound of ragtime, with syncopated beats dancing against steady rhythms, transformed music in the United States at the turn of the 20th century. 🧵⬇️ (1/3)

submitted 7 days ago • 2 comments

What do NASA physicists, "Jurassic Park", and fractals have in common? The dragon curve, a mesmerizing geometric pattern that defies expectations. 🧵⬇️ (1/4)

submitted 8 days ago • 3 comments

Where is the line between romance and longing? Coined in the 1970s, limerence describes an intense emotional state of romantic desire and longing for another person. It includes intrusive thoughts, mood swings tied to perceived reciprocation, and a deep yearning for connection. Read ➡️ w.wiki/94Sq

submitted 9 days ago • 4 comments

🪨🌌 What would it be like to touch something from space? If you visit this massive rock in Namibia, you can find out 🧵⬇️ (1/5)

submitted 10 days ago • 6 comments

Wikipedia is now recognized as a digital public good by the UN-endorsed Digital Public Goods Alliance. This recognition highlights Wikipedia's role in advancing free and trusted knowledge, powered by nearly 260,000 volunteers in 300+ languages. Read more ➡️ wikimediafoundation.org/news/2025/02...

submitted 11 days ago • 2 comments

Known as the "High Priestess of Soul", Nina Simone blended classical training with jazz, blues, gospel, and folk influences to create a sound that was uniquely hers. And her influence went far beyond music. 🧵⬇️ (1/3)

submitted 11 days ago • 1 comment

Warthogs: scrappy, speedy savanna survivors 🐗💨 The common warthog can reach 48 km/h to escape predators. They are opportunistic feeders, using aardvark burrows for shelter, and are also known to nurse foster piglets, showing kin altruism. Learn more about these resilient creatures ➡️ w.wiki/562Z

submitted 12 days ago • 2 comments

Numbers stations are shortwave radio broadcasts that transmit sequences of spoken numbers. They are believed to have been used as coded messages for intelligence agents since World War I. While many stations are thought to be relics of Cold War spying, some still broadcast today. ➡️ w.wiki/Cizu

submitted 13 days ago • 3 comments

Black History Month is an annual observance that honors the rich history, achievements, and contributions of the African diaspora. This month serves as a time to reflect on the pivotal roles that Black individuals and communities have played in shaping societies worldwide. Learn more ➡️ w.wiki/4kGX

submitted 16 days ago • 3 comments

Why would ancient people create hundreds of gigantic symbols only visible from the air? 🧵⬇️ (1/6)

submitted 18 days ago • 8 comments

🇧🇷 Meet Rebeca Andrade, the trailblazing Brazilian gymnast who made history at the Olympic Games. Overcoming multiple injuries, Andrade's resilience and dedication led her to become the first Brazilian woman gymnast to win an Olympic medal, in Tokyo 2020. Read more ➡️ w.wiki/3jE7

submitted 19 days ago • 0 comments

The Harlem Renaissance was a cultural and artistic revolution of the 1920s and 1930s that celebrated Black creativity, identity, and intellectual brilliance. It was named after a neighborhood in New York City that was a common destination of workers who left the southern segregation. ➡️ w.wiki/3rPQ

submitted 21 days ago • 0 comments

In 1997, scientists listening to the depths of the Pacific Ocean detected a sound like no other — a loud, ultra-low frequency noise that defied explanation. Known as the "Bloop", this sound was so powerful it was picked up by underwater microphones thousands of kilometers apart ➡️ w.wiki/CNVc

submitted 22 days ago • 19 comments