Articles on Curious Kids

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Stars come into existence because of a powerful force of nature called gravity. ESA/Hubble & NASA, Acknowledgement: Judy Schmidt

Curious Kids: how are stars made?

Stars begin their life inside very large, fluffy clouds of space dust and gas called nebulae.
A pitcher tries to throw a ball past a batter. AP Images/Eric Gay

Curious Kids: How does a curveball curve?

In baseball, a pitcher can throw a ball that seems to curve away just as it crosses the plate. How do they do it? It's all about aerodynamics.
Grant Elliott/Unsplash.

Curious Kids: why is the sea salty?

The salt in the sea has built up over billions of years – but it wouldn't have got there without freshwater rivers and streams.
The remotely operated vehicle Deep Discoverer captures images of a newly discovered hydrothermal vent field in the western Pacific. NOAA

Curious Kids: How deep is the ocean?

In some places, the ocean is almost 7 miles deep. Scientists exploring the ocean floor have found strange sea creatures, bizarre geologic formations and records of Earth's history.
Darwin wondered: what if species change over time in response to their environment? Shutterstock

Curious Kids: how do scientists know evolution is real?

In science, we look at the evidence and try to find the theory that best explains it. And that's what happened when it came to figuring out evolution.
Blue whales and orcas are both specialists in their own way. You can’t really measure which one is more intelligent. Shutterstock

Curious Kids: which is smarter – a blue whale or an orca?

We don't know for sure which one is smarter, because not everyone agrees on what "intelligence" means. Both have their own special behaviours and skills and we can't say who is more intelligent.
The Parkes Observatory radio dish, the second largest telescope in the southern hemisphere, has a ‘multibeam’ receiver which can search 13 places in the sky simultaneously for signs of intelligent life. Shutterstock

Curious Kids: what has the search for extraterrestrial life actually yielded and how does it work?

The Universe is mind-bogglingly large and with the latest technology, the search is only just starting to heat up.
Clifford Berry stands by the Atanasoff-Berry Computer. Courtesy of Iowa State University Library Special Collections and University Archives

Curious Kids: What was the first computer?

The first computer, named the ABC, was built at Iowa State University. But for a long time, few had heard of it.
Phobias are an intense fear of very specific things like objects, places, situations or animals. Shutterstock

Curious Kids: where do phobias come from?

There are three main scenarios that may influence whether or not you develop a phobia.
The ISS is a collaboration between the space agencies of Canada, Russia, Japan, Europe and the United States. www.shuttershock.com

Curious Kids: How big is the International Space Station?

The International Space Station is the biggest human made structure in space and the third brightest object in the sky. But the living conditions for the six astronauts on it are quite cramped.

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