The chemical neutralization reaction between an acid and a base produces salt and water, studied in chemistry.

The Naica caves in Mexico change color yearly! Scientists found the changes occur because of minerals in the water and temperature fluctuations.

Archaeologists discovered traces of 7,000-year-old wheat in Turkey, proving early agriculture in the region.

The world’s tallest waterfall, Angel Falls in Venezuela, is 979 meters high. The water falls from such a height that most of it turns into mist before reaching the ground. Local indigenous people...

Lake Baikal holds 20% of the planet’s freshwater, making it the deepest and oldest freshwater lake.

Earth’s water contains heavy water (D₂O), where hydrogen is replaced by deuterium, at a concentration of 0.0156% by mass.

Genetic studies show that humans and chimpanzees diverged about 6-7 million years ago.

The longest marathon in the world is the 3,100-mile ultra-race in New York. Runners complete 5,649 laps around one block in 52 days, running 100 km daily. It’s a test for the most enduring!

The Hubble Space Telescope detected galaxies 13 billion light-years from Earth.

In the 1930s, Australia built a 5,600 km fence to stop rabbits. Called the “Rabbit-Proof Fence,” it was meant to protect crops from rabbit invasions, but they still got around it! The fence sti...

In Indonesia, Komodo dragons on an island hunt prey as large as buffalo. These lizards weigh up to 90 kg and can smell blood from 5 km away! Their bite is venomous, and they patiently wait for thei...

In the Indian Ocean, Socotra Island looks like an alien world with ‘dragon’s blood’ trees. Their red sap was used in ancient medicine.

In 1983, Australia discovered the oldest human footprints—20,000-year-old tracks. They belonged to a group of hunters, with their prey’s tracks nearby. It’s like a time machine showing ancien...

In 1888, the oldest photograph of a human was found in London. The image shows a busy street, but due to long exposure, only one person who stood still is visible. It’s like a window to the past!...

Black holes evaporate over time through a process called Hawking radiation, according to quantum gravity theory.

Japan invented a maglev train that reaches 603 km/h—the fastest train in the world! It floats above the tracks using magnets. Passengers say riding it feels like flying at low altitude.

Sea turtles use Earth’s magnetic field for navigation during their ocean migrations.

A rare ‘sapphire hawk’ in Colombia hunts at sunset. Its wings shimmer blue like a gemstone.

Mount Etna erupts about 0.1 cubic kilometers of lava per century, measured by geologists.

The oldest tree in the world, Methuselah, a bristlecone pine in the US, is 4,850 years old. It outlived the fall of the Roman Empire and still grows! Its exact location is kept secret to protect it...