Science & Tech

Why do locusts swarm?

The is not the only challenge East Africa has faced in 2020. Earlier this year the region was hit by a local invasion of locusts that damaged crops. Now another wave is causing more destruction.  According to the United Nations (UN), the food supply of 23 million people is at

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Fake news and how to recognize it

Listen to this article on the Sky Alpha Breakfast Show What is Fake News? Fake news contains false stories that appear to be news. It is often spread online or on social media. The stories can be entirely untrue, or be based on true events but not be accurate. They

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The Secrets of the Kalenjin People

WHO ARE THE KALENJIN PEOPLE? The Kalenjin people refer to a group of tribes numbering close to 6.5 million people located in East Africa. Most of the members of this tribe live in Kenya, where they form the 3rd largest ethnic group. Recently, this tribe has received global recognition due

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Why are leaves green?

When we look at plants there are many features that might stand out to us such as flowers and bark on trees. One of the most common features in plants is green leaves. But why do so many plants have green leaves?  All leaves contain a pigment called chlorophyll. A

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THE SCIENCE OF SWEAT

WHAT IS SWEAT? Sweating is a natural release of fluids from the skin. When sweat evaporates from the skin, it cools the body down. You can see this effect if you lick the back of your hand and blow in it. You can feel the cooling effect and may see

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Why are leaves waterproof?

WHAT CAN WE LEARN FROM PLANT LEAVES? Most leaves are quite waterproof. Their outer surface is covered in a waxy cuticle. A cuticle is a coating made of many layers of different biological materials. These materials are mostly hydrophobic. Hydrophobic materials repel water. The main function of the waxy cuticle

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What is Gambling?

Gambling is when someone risks money or valuable objects in order to place a bet. This money may be lost if the person bets incorrectly or more may be won if they are correct. People usually gamble on the results of sports games, such as football or basketball.   Many people

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