Son Doong is the largest cave in the world, located in Vietnam. A fast underground river flows inside it, trees grow up to 3 m high, and real clouds even form under the arches due to the large temperature difference!

#General_knowledgeTM

Polar bears are almost impossible to detect with a thermal imager. Thermal imagers are able to identify an object by the heat it emits. And polar bears are experts at staying warm. Thanks to a thick layer of subcutaneous fat and a warm fur coat, bears are able to withstand even the coldest days in the Arctic.

#General_knowledgeTM

Le Palais Idéal is an 85-foot-long, 33-foot-high castle located south of Lyon made from rocks that a 19th-century French postman picked up during his mail route over the course of 34 years. Even though the mailman had no formal architecture training, he built the castle himself including the pillars, grottoes, and flying buttresses. Today, the massive structure still stands and visitors still go see it today.

#General_knowledgeTM

The hottest spot on Earth in the Guinness Book of Records. In the Deshté Lout Desert, the satellite showed a temperature of +70.7 degrees Celsius. This is where the highest temperatures were for 5 years in a row.


#General_knowledgeTM

Sitting for extended periods of time can be just as bad for your health as smoking.

#General_knowledgeTM

😡 Hunger can cause anger, irritation, and bad moods.

When blood glucose levels drop, your brain sends signals to release regulatory hormones. One of these is adrenaline, the stress hormone.

#General_knowledgeTM

In Japan, the average life expectancy is the highest in the world, at 83 years.

#General_knowledgeTM

In Beijing, a service known as "jam-busting" assists drivers stuck in traffic.

Two individuals arrive on a motorcycle; one transports the driver to their destination, while the other drives the car through the congestion.

#General_knowledgeTM

The heart briefly stops beating during a sneeze due to the sudden increase in pressure in the chest cavity caused by the contraction of the diaphragm and chest muscles.

#General_knowledgeTM

On average, a person loses about 20 kg of skin throughout their lifetime, completely replacing the top layer of skin every month.

#General_knowledgeTM

The largest watermelon ever grown weighed almost 90 kilograms.

#General_knowledgeTM

The fastest goal in the history of football was scored in 3.67 seconds.

#General_knowledgeTM

11% of the world's gold reserves are held by Indian households.

#General_knowledgeTM

The space between your eyebrows is called the glabella.

You know that space between your eyebrows that requires a good plucking from time to time? Of course you do. But do you know what it's called? Well, that's your glabella, of course.

#General_knowledgeTM

Shakespeare's plays feature the word "love" about 10 times more than the word "hate."

Of course, William Shakespeare wrote about both love and hate. However, he focused much more on the former than on the latter. In his plays alone, he used the word "love" 1,640 times and the word "hate" 163 times. And when it comes to Shakespeare's complete works, "love" appears a total of 2,209 times, according to Open Source Shakespeare.

#General_knowledgeTM

The world's most toxic mineral is cinnabar.

With a color that resembles—and often represents—blood, it makes sense that you wouldn't want to mess with this stuff. Cinnabar forms near volcanoes and could release pure mercury if disturbed or heated, which could lead to tremors, loss of sensation, and death.

#General_knowledgeTM

The glow around the moon is called a "broch."

If you're ever out at night and happen to see a hazy halo of light circling the moon, you can tell anyone you're with that you've spotted a broch, which is a Scottish word used for the weather-related phenomenon—often regarded as an omen of bad weather.

#General_knowledgeTM

🦵🏻 Human femur bones are stronger than concrete.

#General_knowledgeTM

Camels can drink 50 gallons (189,27 liters) of water in 3 minutes. 🐫

#General_knowledgeTM

Alligators can survive in frozen swamps by sticking their snouts through the ice to breathe.
They lower their metabolism and don't eat for months. This remarkable looking process is called brumation.

#General_knowledgeTM

Starting January 1, all children born between 2025 and 2039 will be part of the demographic group 'Generation Beta'

#General_knowledgeTM