DEFINING EVOLUTION Evolution is the theory of new species (different types of living things) arising over time. All animal and plants have evolved from one single organism many, many years ago. CHARLES DARWIN In 1859 an important book was published. It was called ‘On the origin of the species.’ This
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Science & Tech
Fertilization and the creation of twins
WHAT IS FERTILISATION? Fertilisation is the fusion of a man’s sperm with a woman’s egg. It can happen when sperm enters a woman’s vagina at a time when she is fertile. A woman is fertile during the part of her monthly menstrual called ovulation. Ovulation happens about two weeks after
Methods of birth control
Birth control is how you prevent a pregnancy before it begins. There are lots of different methods. Birth control can work really well and be easy to use. All of the methods in this article help prevent pregnancies, but none are 100% effective. They also do not protect infection from
Toothpaste and its health benefits
Toothpaste needs to clean teeth. A substance called plaque builds up on our teeth over time and needs to be removed. Plaque is a cream coloured, hard solid. It can cause our teeth to rot if it isn’t removed. Toothpaste also removes harmful bacteria from our mouths. WHAT IS IN
Solar home systems: off-grid solar power
ALESSANDRA MARTORANA Solar Home Systems are one type of solar power product that can bring electric power to African’s who are currently unable to connect to the electricity grid. They have outputs of up to 250W and involve a rooftop solar panel along with several different parts. Solar Home Systems
The importance of women working in S.T.E.M fields
WOMEN IN S.T.E.M. FIELDS S.T.E.M is a field of study which stands for Science, Technology, Engineering and Maths. With the increase in the development of technology, more and more jobs are requiring a S.T.E.M. background. Unfortunately S.T.E.M. is a largely male-dominated area across the world as young girls are not
The place of mobile money in Africa
ALESSANDRA MARTORANA THE PLACE OF MOBILE MONEY IN AFRICA Mobile money is when payments are made through mobile phones using SMS text messaging. People can receive, send and store money using their mobile phones. People convert cash into e-money (or e-money into cash) at stores or agents. Mobile phones can
States of matter and how they change
WHAT ARE STATES OF MATTER? There are 5 known states of matter. These are the forms which matter can take. These are: solids, liquids, gases, plasmas, and Bose-Einstein condensates. Plasmas and Bose-Einstein Condensates are only created in extreme conditions and only able to be seen properly in a laboratory. We
An introduction to DNA and genetic information
Why are some people tall and some people short? Why are our noses and faces all different shapes? Why do we all look different? This is because we all have different genetic information. WHAT IS GENETIC INFORMATION? Genetic information contains the instructions that make you. It is made from a
Data usage and internet literacy: progressive web apps
DATA USAGE AND INTERNET LITERACY: PROGRESSIVE WEB APPS Progressive Web Apps are a new form of apps, currently in early development. They seek to combine the concepts of websites with traditional mobile apps. They can be accessed both on and offline, they are cheap to develop, and they use up
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