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

Quantum superposition allows particles to exist in multiple states simultaneously, proven by experiments.

In India, the Karni Mata Temple houses thousands of rats, considered sacred. Visitors walk barefoot and even eat food touched by the rats, believing it brings luck. Accidentally stepping on a rat i...

Mysterious ‘black sails’ in the sea off Chile are penguin flocks. They swim together, creating dark patches.

The Sun accounts for 99.86% of the mass of the entire Solar System, including planets and asteroids.

Have you heard the sand in the Namib Desert make music-like sounds when walked on? Researchers found this is caused by the vibration of sand grains creating an acoustic effect.

The chemical reaction of iron oxidation creates rust, accelerated by the presence of water and oxygen.

In 2023, scientists “heard” a black hole’s signals for the first time. Using telescopes, they detected gravitational waves that sound like a low hum. This discovery confirmed Einstein’s the...

A rare ‘crystal dolphin’ in the Caribbean Sea shines in the sun. Its skin shimmers like glass.

The largest flower garden in the world, Keukenhof in the Netherlands, spans 32 hectares. Every spring, 7 million tulips are planted, turning it into a colorful sea. It’s called the “Garden of E...

The Earth’s core reaches a temperature of 6,000°C, comparable to the Sun’s surface, due to radioactive decay.

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...

Mauna Loa volcano in Hawaii releases sulfur gases affecting global climate, measured by NASA.

Sea horses exhibit monogamy, staying with one partner during the breeding season, as shown by observations.

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...

The chemical element lithium is used in batteries due to its high electrochemical activity, proven by studies.

The largest aquarium in the world, SEA Aquarium in Singapore, holds 45 million liters of water. It houses 100,000 marine animals, including sharks and rays. The main tank is so huge you can scuba d...

In 2019, scientists discovered a new species of shark in the ocean that glows in the dark. Called the “pocket shark,” it’s only 14 cm long and uses light to hunt. This discovery shows the oce...

Gravitational waves, predicted by Einstein, were first detected in 2015 using LIGO.

In Australia, a ‘ghost tree’ with white bark glows in the dark. It’s found only in Queensland’s tropical rainforests.