Did You Know ?
1. The Last Speaker of an Endangered Language: Nuu
- Endangered languages are a unique type of endangered cultural element.
- Language extinction is very rare case.
- The Nuu language is a critically endangered South African language.
- Only one person in the world can still speak Nuu.
- This last speaker is named Ouma Katrina Esau.
- The Nuu language situation shows the risk of language extinction.
2. Earth's Invisible Shield: The Plasma Shield
- The Plasmaspheric Hiss is also known as Earth's Plasma Shield.
- This Plasma Shield is part of Earth's atmosphere, located in the exosphere.
- It protects our planet from solar winds, a key aspect of space science.
- The shield extends about 1,000 km from Earth's surface.
- It provides satellite protection from harmful space weather.
- The International Space Station is also safeguarded by this shield.
- The Plasmaspheric Hiss is an important feature of Earth's atmosphere.
3. Infinite Journey: Bullets in Space
- Bullets in space behave differently than on Earth.
- Space is a vacuum with no air resistance.
- If you shoot a bullet in space, it will keep moving.
- This motion in space can be potentially infinite.
- The bullet will only stop if an external force acts on it.
- This phenomenon is part of space physics.
- The lack of air resistance allows for continuous motion in space.
4. Donkeys: The Misunderstood Intelligent Creatures
- Donkeys are more intelligent than many people think.
- Donkey intelligence includes excellent memory power.
- They can remember places and people for up to 25 years.
- Donkeys have good problem-solving skills.
- They are emotionally sensitive animals, more so than many others.
- The world's most expensive cheese is made from donkey milk.
- This donkey milk cheese costs about Rs. 80,000 per kg.
5. Bill Gates' Shocking TED Talk Stunt
- Bill Gates gave a TED Talk about malaria.
- During the talk, he released mosquitoes into the audience.
- This was a dramatic gesture to raise malaria awareness.
- Gates said this experience 'There is no reason only poor people should have the experience'.
- The mosquitoes were not infected with malaria.
- This action highlighted the importance of public health issues.
- The TED Talk aimed to draw attention to the global malaria problem.
6. Farting in Space: A Flammable Hazard for Astronauts
- Farting is not a big deal on Earth, but it's important in space.
- Farts contain methane, a gas that can burn.
- In a spacecraft, there's no place for gases to escape.
- This makes farting in space potentially dangerous.
- Spaceships have special filters to clean these gases.
- NASA takes this issue seriously:
- They banned certain foods for astronauts
- Banned foods include beans, cabbage, and broccoli
- These foods can make people produce more gas
- This is done to reduce the risk of fire in space.
- It's an interesting aspect of astronaut health.
- This shows how everyday things can be different in space.
- It's an example of unique challenges in space travel.
- Managing gases is part of spacecraft safety.
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