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 billion!
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 Africa, Lake Nyasa is so deep that fish living in it never see light. These species evolved in total darkness at depths over 700 meters. Scientists are still discovering new species in the lake!...
The chemical element lithium is used in batteries due to its high electrochemical activity, proven by studies.
Antarctica loses approximately 150 billion tons of ice annually due to global warming, according to satellite data.
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 chemical element uranium decays with a half-life of 4.5 billion years, used for rock dating.
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...
In South Africa, ‘sand flowers’ bloom after rain. These plants survive in the desert by storing water.
Sea lions have a memory that allows them to recognize simple symbols over years, as shown by tests.
The Antarctic ice sheet contains climate records from the last 800,000 years, analyzed by scientists.
Sea birds like albatrosses can sleep while flying, confirmed by neurophysiological studies.
Ice flowers appear in northern Canada and vanish in a day! Scientists explain they form due to the crystallization of salty water on the ice surface.
Lake Uyuni in Bolivia reflects everything like a mirror! It’s due to a thin layer of water on its salty surface, creating perfect reflections of the sky and mountains.
Studies confirm that corals release chemicals to attract symbiotic algae.
Red rain sometimes falls in India’s Kerala state! Scientists found these algae are lifted by winds from nearby water bodies.
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 chemical element helium was discovered on the Sun before Earth via spectral analysis in 1868.
An underground ‘forest’ in South Africa consists of roots from a single tree spanning 2,000 years. This Ficus tree grows in Echo Caves.
Geological studies prove that the Grand Canyon formed over 5-6 million years by Colorado River erosion.
In 1942, a Mexican farmer stumbled upon Paricutin volcano, which grew right in his field. Within a year, it rose 424 meters, and the farmer’s village was destroyed by lava. It’s the only volcan...