Rainbows are beautiful natural displays of light and color caused by the refraction, reflection, and dispersion of sunlight in water droplets. When sunlight enters a raindrop, it bends (refracts), reflects off the inside surface of the droplet, and then bends again as it exits. This process separates the light into different colors, creating a circ

Some of the most dangerous animals in the world are not always the biggest or strongest but those that can cause the most harm to humans. For example, the mosquito is considered the deadliest because it spreads diseases like malaria and dengue fever, killing hundreds of thousands of people each year. Other dangerous animals include venomous snakes,

The ocean is salty mainly because of minerals and salts washed into it from the Earth’s land by rivers and streams. Over millions of years, rainwater dissolves minerals from rocks, which then flow into the ocean. The most common salt is sodium chloride, the same as table salt, which gives seawater its salty taste. The salt stays in the ocean b

The tallest mountain outside Asia is Aconcagua, located in the Andes mountain range in Argentina. It rises to about 6,960 meters (22,837 feet) above sea level, making it the highest peak in both the Western Hemisphere and the Southern Hemisphere. Aconcagua attracts climbers from all over the world who want to experience its challenging terrain and