The Antarctic ice sheet contains climate records from the last 800,000 years, analyzed by scientists.

The largest diamond ever, the Cullinan, was found in 1905 in South Africa. It weighed 3,106 carats and was the size of a fist! The diamond was cut into 9 pieces, two of which now adorn the British ...

A tiny spider in Peru weaves webs shaped like larger spiders to scare off predators. This ‘puppet’ is made from leaves and dead insects.

Ancient tools in South Africa, dated to 1.8 million years ago, belonged to Homo habilis.

The speed of light in a vacuum is 299,792 km/s, a universal constant in physics.

In 2015, a meteorite older than the Solar System was found in Antarctica. At 4.6 billion years old, it contains dust from another star. Scientists say it’s like a letter from space about the univ...

Ice cores from the Arctic show that CO₂ levels never exceeded 300 ppm before the industrial era.

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

An underground city, Derinkuyu, with rooms and streets, was found in Cappadocia, Turkey! Archaeologists determined it was built in the 8th century BCE for protection from enemies.

The world’s longest tunnel, the Gotthard Base Tunnel in Switzerland, is 57 km long. It runs under the Alps, with trains speeding through at 250 km/h. Construction took 17 years and cost $12 billi...

Lake Baikal in Russia is called bottomless due to its 1.6 km depth! It formed in a tectonic rift, making it the deepest lake in the world.

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

The Waiora River in New Zealand appears to flow upward! Geologists explain this as an optical illusion caused by the terrain’s relief.

Vesuvius released 1.5 cubic kilometers of ash during its 79 AD eruption, studied by paleontologists.

Ancient skulls in Israel, dated to 90,000 years ago, belong to Neanderthals, per DNA analysis.

Kilauea volcano in Hawaii erupts with about 250,000 cubic meters of lava per day during active phases.

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

Quantum entanglement allows particles to interact instantly over distances, proven by Bell’s experiments.

In 1900, the Antikythera Mechanism, a 2,000-year-old ancient computer, was found in Greece. It predicted the movement of stars and planets with incredible accuracy. Scientists are still amazed at h...

The largest library in the world, the Library of Congress in the US, holds over 170 million books. If you read one book a day, it’d take 465,000 years to read them all! They even have books the s...