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Many people find the very thought of insects disgusting - especially when they're in your
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mouth. But
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have you ever considered that insects could be more nutritious, environmentally friendly,
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and abundant
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than most other foods? Should we all be eating insects?
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Compare 100 g of crickets, to 100 g of chicken, beef or pork, and you'll find they have comparable
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protein content, but crickets are much higher in essential vitamins and minerals such as
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calcium, zinc
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and iron. Similarly, insects like mealworms are low in fat, and contain large amounts
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of fibre.
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But, that's not the only reason to incorporate them into your diet. Currently there are 1.53
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billion
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hectares of cropland and 3.38 billion hectares of pastures covering our Earth. Essentially,
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38% of the
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land you see on a map is used for agriculture and farming. But where it takes 200 square
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meters of land
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to grow 1 lb of beef, it only takes 15 square meters to grow 1lb of crickets.
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Furthermore, by 2025 its expected that 1.8 billion people will live in areas with little
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to no fresh water. And yet, 70%
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of our fresh water sources are used in agriculture alone! To produce 1 kg
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of beef it takes
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22,000 litres of water, whereas 1 kg of pork takes 3,500 litres, and 1 kg of chicken takes
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2,300 litres. But
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to make 1 kg of crickets? It only requires 1 litre of water! This is because insects
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can become fully
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hydrated just from the food that they eat. They're also more digestible - In fact, 80%
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of a cricket is edible
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and digestible compared to 50% of a chicken and 40% of cattle.
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And its not like our mouths have never tasted insects before. For every 100g of spinach,
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50 small
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insects like aphids, thrips and mites are permitted. Peanut butter is allowed to contain
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roughly 30 insect
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fragments - such as heads, bodies or legs - per 100g. And even the hops used to make
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your favourite
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beer can contain 250 aphids per 100g. Yup - your summer beer may be spiked with a little
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more bug juice
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than you anticipated.
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So WHY aren't we eating insects? They're actually consumed in some parts of Asia, Latin America
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and Africa.
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In fact, the capital of Congo has households eating 300 g of caterpillars a
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week, which is 96
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tonnes of caterpillars every year! But much of the Western world is used to screaming
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in disgust if
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they find a bug in their salad! This may be because western culinary traditions have spawned
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out of
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colder climates with less insects, increased farming and larger animals to eat. As Europeans
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began to
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colonize the world, they contextualized bug eating as savage and primitive because they
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observed many
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indigenous people doing it. Little did they know, bugs are actually extremely nutritious!
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But while the idea of eating insects may literally be hard to swallow, as recipes are created,
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processing technology evolves and our mindsets adapt, maybe insects will become the superfood
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of the future.
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Look out greek yogourt and kale! There are some new kids in town.
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We actually challenged ourselves to chomp down on some bugs, try out a few recipes,
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and eat things
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like cookies and snack bars using insect flour, in our latest AsapTHOUGHT video. We also discuss
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the role
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and potential for insects in helping to solve world hunger. Make sure to click the screen
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or the link in the
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description below to check it out!
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And subscribe for more weekly science videos!