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During WWII, the military analyzed the bullet holes on returning fighter planes to determine where to add more armor. The red dots in the image show where the planes that made it back were most commonly hit.
Initially, the military considered reinforcing the areas with the most bullet holes — the wings, tail, and outer fuselage. But statistician Abraham Wald pointed out a critical insight:
These are the planes that survived. The hits they sustained were not fatal.
Wald argued that the areas with few or no bullet holes — like the engine and cockpit — were the critical weak points. Planes hit in those areas didn’t return, so those missing data points were crucial.
This story teaches us survivorship bias — the logical error of focusing only on the people or things that survived a process while overlooking those that didn’t, often leading to false conclusions.
It's a classic case in statistics and decision-making, still taught widely today.
Ctto..During WWII, the military analyzed the bullet holes on returning fighter planes to determine where to add more armor. The red dots in the image show where the planes that made it back were most commonly hit. Initially, the military considered reinforcing the areas with the most bullet holes — the wings, tail, and outer fuselage. But statistician Abraham Wald pointed out a critical insight: These are the planes that survived. The hits they sustained were not fatal. Wald argued that the areas with few or no bullet holes — like the engine and cockpit — were the critical weak points. Planes hit in those areas didn’t return, so those missing data points were crucial. This story teaches us survivorship bias — the logical error of focusing only on the people or things that survived a process while overlooking those that didn’t, often leading to false conclusions. It's a classic case in statistics and decision-making, still taught widely today. Ctto..
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🗣Sadio Mané: "I remember the first day I arrived in France to take tests and sign with FC Metz. I was supposed to train from the day I arrived but the coach told me to stay at home. And I had no credit on my phone to call my mother and tell her that I had gone to France.
“The next day, I went with some of my friends who were already in Metz to buy some cards and I called her and told her: "Hello mom, I'm in France". She said to me: "What, which France?". She couldn't believe it! I said: "France in Europe". She replied: "What do you mean Europe? You live in Senegal, you are supposed to be with your uncle". I then said "yes but now I am in Europe.”
“She was amazed, it was crazy! She was so surprised that she called me every day to ask me if it was true. She didn't believe me until one day I told her to go watch TV to see me play. She finally understood that my dream had come true.”🗣Sadio Mané: "I remember the first day I arrived in France to take tests and sign with FC Metz. I was supposed to train from the day I arrived but the coach told me to stay at home. And I had no credit on my phone to call my mother and tell her that I had gone to France. “The next day, I went with some of my friends who were already in Metz to buy some cards and I called her and told her: "Hello mom, I'm in France". She said to me: "What, which France?". She couldn't believe it! I said: "France in Europe". She replied: "What do you mean Europe? You live in Senegal, you are supposed to be with your uncle". I then said "yes but now I am in Europe.” “She was amazed, it was crazy! She was so surprised that she called me every day to ask me if it was true. She didn't believe me until one day I told her to go watch TV to see me play. She finally understood that my dream had come true.”
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What happened to it. I haven't heard of it of late.What happened to it. I haven't heard of it of late.BREAKING NEWS
South Africa has reportedly successfully developed a potential HIV cure, Free Vîrus Control Without Medication.
The University of KwaZulu-Natal who have been researching on the HIV cure for 2-years now recently conducted Africa’s first HIV cure trial, and the results were very promising.
The country may have a cure after a very positive trial
#Africayetu
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Soaring almost 400 meters above the rainforests of São Tomé island in Africa, this tower-like natural formation called Pico Cão Grande is considered one of the most challenging climbs in Africa. The near-vertical walls, formed from a volcanic plug, offer little in the way of easy routes. The first recorded successful ascent, by a Japanese team, only happened in 1991, highlighting the mountain's formidable reputation.
Besides the near-vertical walls, there are some other, rather scary, reasons why climbing Pico Cão Grande is so difficult
Credit to the ownerSoaring almost 400 meters above the rainforests of São Tomé island in Africa, this tower-like natural formation called Pico Cão Grande is considered one of the most challenging climbs in Africa. The near-vertical walls, formed from a volcanic plug, offer little in the way of easy routes. The first recorded successful ascent, by a Japanese team, only happened in 1991, highlighting the mountain's formidable reputation. Besides the near-vertical walls, there are some other, rather scary, reasons why climbing Pico Cão Grande is so difficult Credit to the owner
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