School & Career, Science, Nature and Tech

What is the Point in Learning Chemistry?

learning chemistry

Have you ever sat in a Maths class wondering why you will ever need to be able to do long division without a calculator? Or silently cursed your Geography teacher while learning about the formation of oxbow lakes? And History?
That’s all in the past and irrelevant, isn’t it? In this series of articles we will look at some of the subjects we learn at school, and try and answer the question: What’s the point in learning… Chemistry?

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Science, Nature and Tech

CURIOUS CREATURES 2 – The Stag Beetle

 

The strangest creatures are, to me,

The ones I love the best.

The creepy, crawly and the odd

Are cooler than the rest…

 

These magnificent beasties are the armoured vehicles of the insect population and the largest terrestrial-dwelling beetles in the UK. Their common name is a reference – unsurprisingly – to their antler-shaped “mandibles” or jaws, which they use to fight over territory, but not, perhaps surprisingly, to win the respect of female Stag Beetles..!

 

These Curious Creatures have intrigued me ever since I found an expired female stag beetle (see below ) in a south-west France many years ago. I drew it next to a blackbird’s feather, captivated by the different tones of black, the textural contrasts and inky depths of colour. I found it – and still find them all as a species – fascinating and beautiful, particularly the males, with their extraordinary maroon-red mandibles.

 

 

 

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Science, Nature and Tech

Winter Wonderings – Are Snowflakes Really All Different?

 

It’s a common belief that no two snowflakes are the same, and in a way this is true. No snowflake can ever be completely identical to another, because when you get down to the molecular level they will have slightly different kinds of water molecules, different electrons and different traces of other materials such as specks of dust.

However, if we’re talking only about the appearance and shape of a snowflake, then yes it is possible that some will have duplicates. Snow crystals can vary from fairly simple, hexagonal structures to the more complex and delicate shapes that we commonly think of as snowflakes.

The simple flakes have far fewer molecules than their larger cousins and so it’s entirely possible that you could find two that appeared identical when viewed through a microscope. The more complex structures, however, can have more than a hundred different features and each feature can form in a number of different ways. This makes it highly unlikely that you would ever find two large snowflakes that looked the same – but you could have fun trying!

For a more detailed explanation of the science behind the forming of snowflakes, check out this video

 

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