From Baby Eyes to Hairy Stones: Nature’s Wonders

Did You Know How Limescale Is Formed?
Limescale in water comes from limestone that rainwater slowly dissolves and carries into the ground. This rock turns into two parts: one is a calcium ion and the other a carbonate ion. When the water heats up, these two parts stick together again and form limescale, those white spots you see on taps, kettles, and other surfaces.

Did You Know What the Largest Man-Made Hole in the World Is?
In Kimberley, South Africa, you’ll find what might be the biggest hole ever dug by people. It’s called “The Big Hole,” and it used to be a diamond mine. Nearly 3 tons of rough diamonds were taken from it. The mine closed in 1914, and today it’s a tourist site.

Did You Know Which Stone Has 'Hair'?
There’s a strange and beautiful stone called scolecite. It looks like it has hair! It’s made of thin needle-like fibers that grow in bunches and can be white, brown, or clear. It even looks a little like a long hedgehog. Its name means “worm,” because of how it moves slightly when heated.

Did You Know the Role of the Contrabass?
The contrabass is the biggest instrument in the string family. It makes the deepest sounds in an orchestra. Because it’s so big, musicians usually play it standing up. Its deep tones add balance and richness to music.

Did You Know Why Babies Have Big Eyes?
When babies are born, their eyes are already about 75% of their full size. During the first two years, their eyes finish growing, but after that, they stay the same size while the rest of the face keeps growing. That’s why babies seem to have such big eyes!