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Curious Minds

The Bloukrans River Bridge

Did you know the Eastern Cape is home to Africa's highest bridge bungee jump?
 

Curious Minds

Does chewing gum stay inside you for years?

Swallowing a lot of gum can cause it to stick together or stick to food in your gut.

Curious Minds

Did you know there is a fish migration so huge it can be seen from space?

The annual Sardine Run takes place between May and July.

Curious Minds

What can you learn from studying an animal's poop?

Scientists study animal poop, also called scat, to learn about the hidden lives of animals.

Curious Minds

How can we see what we are imagining as well as what’s in front of us?

Your brain is actually making up what you see all the time, based on messages from different places, as well as your expectations.

Curious Minds

What would aliens be like?

We don’t know whether there are any aliens or not. But there are so many planets in the universe.

Curious Minds

LISTEN: Why do birds sing?

When birds sing, what do you think they’re saying?

Curious Minds

How are stars made?

Have you ever heard the saying “we are all made of star dust?” It’s actually true.

Curious Minds

Is it okay to listen to music while studying?

Research conducted in the 1990s found a “Blur Effect” – where kids who listened to the BritPop band Blur seemed to do better on tests.

Curious Minds

Can chimpanzees turn into people?

Chimpanzees don’t (and didn’t) turn into people, but we do share ancestors, who over a very long time became what we now recognise as different species: chimpanzees, bonobos and humans.

Curious Minds

Why do we say 'Okay'?

It can be used as a noun, a verb, an adjective, a conjunction or an interjection. But why did people start to say “Okay”?

Curious Minds

Can people really colonise Mars?

People are closer than ever to the first human footsteps on Mars.

Curious Minds

How deep is the ocean?

The deepest parts of the ocean are trenches – long, narrow depressions, like a trench in the ground, but much bigger. Known as the Challenger Deep, it is 35,768 to 36,037 feet deep – almost 7 miles (11 kilometres).

Curious Minds

What was the first computer?

What was the first computer and how did it work? Professor Doug Jacobson of Iowa State University takes us through the first modern electronic computer which was built by physics Professor John Vincent Atanasoff in 1942.

Curious Minds

How do my eyes adjust to the dark and how long does it take?

Human eyes have two main features that help us see better in low light: the pupil’s ability to change size, and the eye’s two types of light-sensing cells.

Curious Minds

LISTEN: Why do we need food?

Why do we have to eat vegetables and fruits? How come we can’t just have ice-cream and lollies for every meal? Every time we eat, our food goes on an amazing journey through our body

Curious Minds

Why do old people hate new music?

Evidence shows that the brain’s ability to make subtle distinctions between different chords, rhythms and melodies gets worse with age. So to older people, newer, less familiar songs might all "sound the same."

Curious Minds

How big is the International Space Station?

It’s so big you can see it in the night sky without a telescope or binoculars. It’s 109 metres long and 75 metres wide – about the same size as a soccer field. It weighs 420 tonnes, about the same as 280 cars.

Curious Minds

LISTEN: How does our heart beat?

We all have a heart beating in our chest. Sometimes our hearts beat fast, and sometimes they beat slow, but how do they work?

Curious Minds

Why do burps make noise?

The next time someone says you’re burping too loudly, just reassure them that it was a perfectly normal mouth fart.

Curious Minds

LISTEN: What are spiderwebs made from?

"Did you know that spiders have a secret superpower? They can spin their own homes in the form of strong and sticky spider webs. But how do they do it? "
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