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

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

The world’s oldest working lighthouse is in Spain—the Tower of Hercules. Built during the Roman Empire about 1,900 years ago, it still guides ships today. Its stone walls have withstood centuri...

In the 1950s, the US ran an experiment teaching dolphins to speak. A dolphin named Margaret lived with a scientist in a flooded house to communicate 24/7. She even tried mimicking human speech, but...

The smallest bird in the world, the bee hummingbird from Cuba, is just 5 cm long. It weighs less than 2 grams but can flap its wings 80 times per second! These tiny creatures feed on nectar and loo...

Oxygen makes up 46.6% of the Earth’s crust by mass, being the primary element in silicates.

The longest hot air balloon flight lasted 20 days in 1991. Two Americans flew 8,700 km from Japan to Canada, crossing the Pacific Ocean. They nearly crashed due to a storm but set a record that sti...

Humpback whales use bubble nets for hunting, releasing rings of bubbles to trap fish, as demonstrated by studies.

An underground ‘forest’ in South Africa consists of roots from a single tree spanning 2,000 years. This Ficus tree grows in Echo Caves.

The oldest map in the world, the Babylonian Map of the World, was created 2,600 years ago. Carved on a clay tablet, it shows the world as a flat disk with Babylon at the center. It’s like peering...

Geological data shows that the Great Barrier Reef formed 20 million years ago from corals.

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.

In Brazil, ants have been farming mushrooms for food for 60 million years. They cut leaves, “plant” fungal spores on them, and tend to their “farms.” It’s one of the oldest forms of agric...

In 2018, Japan created lab-grown meat from cow cells. It costs $50 per gram but doesn’t require slaughtering animals. Scientists say it’s the future of food, especially for countries with limit...

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

The star Betelgeuse in the Orion constellation loses mass through powerful stellar winds at a rate of 10⁻⁶ solar masses per year.

Studies confirm that corals release chemicals to attract symbiotic algae.

The world’s smallest computer, created in 2018, is smaller than a grain of rice. Developed at the University of Michigan, it’s used in medicine, like monitoring cancer cells. Imagine: a device ...

Sea lions have a memory that allows them to recognize simple symbols over years, as shown by tests.

During the 1969 Apollo 11 mission, astronauts left mirrors on the Moon. Scientists still use them to measure the distance to the Moon with centimeter precision by sending laser beams from Earth. It...