(Listen to this article on the Sky Alpha Breakfast Show) Recently, , the USA’s space agency, announced plans to send humans on another trip to the moon by 2024. Astronauts will bring back samples of rock from the surface of the moon so we can learn more about the moon’s
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The Women Beating Poverty with Solar Power
598 million people in Africa have no access to electricity. Electricity provides a clean source of light and energy. Without it, people resort to expensive, dangerous alternatives such as kerosene. Solar lights are safe, clean and affordable, and women in Zanzibar are leading the way to helping their communities gain
An Introduction to Acids and pH
Acids are possibly the most fundamental chemicals in nature. They can be found everywhere and chemists have been studying them for thousands of years. Finding out what they are and how we can use them is one of the first things a chemist learns. This article will explain what acids
Plate tectonics and its relevance in Africa
The theory of plate tectonics was first proposed by Alfred Wegener in the early 20th century. Plates are large areas of crust that cover the earth. Their movements give rise to amazing landforms, and many of these landforms are in Africa! WHAT IS PLATE TECTONICS? The idea behind plate tectonics
How Ghanaian Inventors are Changing Science Lessons
In 2017, Ghanaian entrepreneurs Charles Ofori Antipem and Michael Asante Afrifa designed the Science Set. Today, it is helping over 11,000 school children to learn about science in a practical and exciting way. WHAT IS THE SCIENCE SET? The science set is a small, portable and inexpensive kit that can
Africa and the Theory of Evolution
Over time, certain features of an animal species can change in order to help the animals survive in their environment. This process is called evolution. It occurs because, when animals are born, they inherit their traits from their parents. Animals with certain traits are more likely to survive and reproduce,
What is the Periodic Table of Elements?
2019 marks the 150 year anniversary of the Periodic Table. With over 100 elements, it can seem very complex and intricate. Each element has a symbol and is grouped into rows and columns. WHAT IS THE PERIODIC TABLE? Elements are simple substances that make up all matter. For example, water
What is Digital Health?
Digital health is a broad term for technology that is used for medical purposes. It is a growing sector in Africa, with many different applications; one major example is the use of mobile phones in diagnosis. MOBILE DIAGNOSES: CONNECTING WITH DOCTORS There are now many apps available for mobile phones
What is Encryption and How Does it Work?
WHAT IS ENCRYPTION? Encryption is a way of disguising data so that no one can read it unless they know how to reverse the disguise. It is used for keeping information private on the internet, such as emails or bank details. HOW DOES IT WORK? Encryption is used to keep
Earth’s Most Abundant Metal: Fun Facts About Aluminium
Aluminium is one of the most versatile metals in modern life. It can be found everywhere: in mobile phones, power lines and high-rise buildings. Aluminium is useful because of its unique properties as a metal. We will explore some of them here. ALUMINIUM IS LIGHTWEIGHT Aluminium weighs 3 times less
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