Articles on Curious Kids

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The other galaxies are there, but they are hiding a very long way away. www.shutterstock.com

Curious Kids: Where are all the other galaxies hidden?

We are in the Milky Way. If you travelled on an extremely fast spaceship for more than two million years, you would reach our neighbour, the Andromeda galaxy. All other galaxies are even further away.
Inside the pupa (or chrysalis), the caterpillar actually turns to liquid as it transforms into a butterfly or moth. Shutterstock

Curious Kids: Do butterflies remember being caterpillars?

Scientists were not sure if an adult butterfly could remember things it learned as a caterpillar. Then a study by a team of US scientists found something very interesting.
If they are simply too large, your tonsils can be shrunk down using special instruments which remove the valleys and crypts. Shutterstock

Curious Kids: Why do we have tonsils?????

Tonsil tissue is particularly important in the first six months of life. After this, our lymph glands take over most of the work and the tonsils are essentially out of a job.
Westy48/Flickr.

Curious Kids: what is fire?

Put simply, it's the outcome of a chemical reaction, which humans learned how to make some 400,000 years ago.
Have you seen a mermaid? Shutterstock

Curious Kids: Are mermaids real?

Even if mermaids aren't real, they'll likely feature in human stories for many years to come. Very few mythical creatures are found in so many diverse cultures, across so many years without changing.
SIM cards contain a computer chip that can do some simple mathematics and store some data. Flickr/jbdodane

Curious Kids: How do SIM cards make a phone work?

SIM cards link accounts to handsets. They keep communications private. They store messages. Although small and simple, they are a big part of modern mobile phone systems.
Some explosive volcanoes can send ash high up into the sky and it can travel around the world over different countries. Shutterstock

Curious Kids: Why do volcanoes erupt?

When magma rises towards the surface gas bubbles start to form. Whether or not they can escape as the magma is rising affects how explosive the eruption will be.
Nobody knows for sure where black holes lead to. Shutterstock

Curious Kids: Where do black holes lead to?

The pull created by a black hole is so strong that if you get too close to one – even if you are travelling away from it at the fastest speed it is possible to go – you will never be able escape.

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