Popular, Science, Nature and Tech

Can Too Much Screen Time Damage Your Eyes?

I bet you’ve heard some adults warn that too much screen time can damage your eyes. Some even say that sitting too close to a screen can be harmful. This is an idea that’s been around for decades but is there any truth to it?

In the latest of our Fact or Fable series, Sam investigates.

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Written By You

The Adventures of Cha Cha the Dragon – Part 2

Following on from Iona’s wonderful story of Cha Cha the Dragon, here is Part 2

 

Once upon a time, in deepest China, there lived a man named Li-Wang. Li- Wang was getting on in years. His wife and son had both died in childbirth, and he had only his beautiful daughter to comfort him and to keep him company. It was widely said that the daughter of Li-Wang could be no mortal being, but was an angel, sent straight from the Gods as a token of their grace and kindness. However, Li-Wang, poor man rarely ever got to see his beautiful daughter, for Li-Wang was a builder, and his latest line of employment was on The Great Wall of China Teapots.

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Home, Health & Style

Health Matters … Threadworm

threadworms

In the second of a series of articles on health, pharmacist and writer Asha Fowells looks at threadworms. This may make you go ‘euuuuuw’, but it is an important thing to know about, because while threadworms are icky, they are reasonably easy to treat.
The term “parasitic infection” may make you think of intrepid explorers in rainforests and jungles, but there is one parasite that lurks much closer to home: threadworm.

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Science, Nature and Tech

Rock, Paper, Scissors… Robot???

rock paper scissors robot

The game rock-paper-scissors is well known around the world. We’ve all used it as a choosing method, or simply as a game! The easiest version is played between two people. Both players choose one of the three shapes for one of their hands, and reveal their choice at the same time, hoping their choice beats their opponent.
It’s nearly impossible to gain an advantage over your opponent, unless you wait long enough to identify their choice before you make yours, but the chances are that they will realise your cunning plan and call you a cheater!
This game is not simply a choosing game. There are mathematicians dedicated to constructing algorithms for the best strategy to win, and scientists devoted to creating unbeatable robots! In fact, researchers at the University of Tokyo have created a rock paper scissors robot that wins at rock-paper-scissors 100% of the time.

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School & Career

A Homemade School

Dr Lesley Beeton visited South Africa and visited a school to find out what it’s like to go to school in South Africa.

This is the Drakensberg in South Africa. In English, it means ‘Dragon Mountain’. The children in this part of South Africa face a daily commute to school. In the area where I was staying, the nearest town was Bergville. With the windy roads through the mountains, this journey can take almost an hour. School starts early too, at eight o’clock, so that means getting up around 6 am to be ready for the taxi.

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