Could a spill by the cook fire have been popcorn’s eureka moment?
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Corn has its roots in Mexico about 9,000 years ago.
Some planets, such as Saturn, have more than a hundred moons, while others, such as Venus, have none.
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It’s not a competition, but if it were, Saturn would be winning.
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The feeling of pins and needles, which you might also call ‘bubbles’ or ‘tingles’, comes from our nerves.
Heat waves can get dangerously hot, especially when it’s also humid.
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The answer depends in part on where you live. If it’s extremely hot and humid, the health risks are much higher.
Construction underway at China’s Lingdingyang Bridge.
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Underwater construction is a complex and difficult task, but engineers have developed several ways to build underwater … mostly by not building underwater at all.
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Phenomena like the Northern Lights and rainbows can seem magical – even to physicists like Partha Chowdhury who study them.
Hunting for life on other worlds isn’t easy.
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It’s hard to look for something you’ve never seen before – and that might not even exist. But you have to start somewhere.
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Find out everything you ever wanted to know about how and why chameleons change colour in The Conversation’s Curious Kids podcast.
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Whether we can recycle plastic or not depends on what it’s made of (because there are many different types of plastic), if it’s sufficiently clean and if enough people will buy recycled products.
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Paleontologist Bill Ausich explains whether dinosaurs could ever roam the Earth again. Listen on The Conversation’s Curious Kids podcast.
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Psychologist Deborah Wells explains why dogs are so cute - and yours in particular – on The Conversation’s Curious Kids podcast.
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Our blood is red because of something called haemoglobin, which helps carry oxygen around our bodies.
Biases against certain groups of people can escalate into acts of violence if left unchecked.
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It can be easy to mistake feelings like fear and anger as hate. When biases are acted out in harmful ways, however, speaking up can help stop hate from getting worse.
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Botanist Paul Ashton explains the difference between trees that lose their leaves, and those that don’t on The Conversation’s Curious Kids podcast.
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When rocks from space fall towards Earth, they usually don’t do any damage – here’s why.
Thinking builds neural networks, which is why practice improves performance.
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Eating right, exercising, playing sports, reading and journaling are just a few of the ways you can keep your brain in top shape.
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Most of us just take it for granted. But bark is one of the most complex parts of a tree and has many different jobs to do.
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Science philosopher Sam Baron explains where energy comes from on The Conversation’s Curious Kids podcast.
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Sugar is an important substance for our body and brain to make energy. Here’s what happens when we eat a lot of it.
Jamaican sprinter Usain Bolt, in yellow, holds the world’s speed record for humans.
AP Photo/David J. Phillip
Your sprinting skills have a lot to do with genetics, but your brain also plays a big role.