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genetics

Humans, like all living things, reproduce. When they do, they pass along a ‘code’ to their offspring. The code is like a set of instructions or directions. It tells the cells of the offspring how to develop and grow. Genetics is the ... read more

why do oily things stain clothes

Removing stains straight away helps to prevent them reacting with the air. ... read more

welcome to venus

The hellish world often described as Earth’s evil twin. ... read more

the universe

The universe is everything. It contains all galaxies, stars, planets, and matter that have ever existed or ever will exist. Everything you can possibly think of is part of the universe. The cosmos is another word for universe. It is impossible to imagine the size of the universe. Think of words like h... read more

health and illness

People are healthy when all of their body parts work well. Most of the time, we can stay healthy by eating good food, using our muscles in exercise, getting plenty of sleep, and resting if we start to feel sick. But sometimes, we can suffer injuries or become sick even when we take care of ourselves. ... read more