Light from our setting sun reflecting off storm clouds can give off a some vivid shades of pinks, purples and oranges.
Jake Clark
It’s all to do with the light from the Sun and a blanket of air wrapped around Earth called the ‘atmosphere’.
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Technology can give superhero abilities to people in real life.
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Different animals have different ways of showing they’re happy. Their behaviours aren’t as straightforward as you might think.
Rise and shine!
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The mystery of how the brain creates consciousness still puzzles scientists, but the mechanics of waking up are starting to be understood.
It doesn’t fit!
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There are 15 different kinds of electrical outlets around the world. One standard would be more convenient, but no one wants to change theirs.
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All the fluids in our bodies have a little bit of salt in them.
Superstition or wishful thinking could trick you into thinking you saw one of these mythical creatures.
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Mermaids are not real, but are meaningful to people around the world.
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Lots of viruses have disappeared before. But experts think COVID will stay with us for a long time to come.
The Earth in space. Elements of image furnished by NASA.
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The Earth spins around its axis every day – but gravity keeps us firmly in place.
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66 million years ago, birds survived the calamity that wiped out all prehistoric dinosaurs. But could birds once again evolve into their long lost ancestors?
A tiger’s vertical stripes help it blend in with trees and grasses in its homelands in Asia.
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How do tigers – a top predator – successfully hunt their prey when they have bright orange fur? The secret’s in their stripes!
Geese fly day or night, depending on when conditions are best.
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Geese honk loudly and point their bills toward the sky when they’re ready to start the migration. Here’s how they know it’s time, how they navigate and how they conserve energy on the grueling trip.
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It’s not just older adults who get shorter. You start shrinking, the moment you get out of bed in the morning.
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Pink blood, green blood, or no blood at all – when it comes to what’s inside a worm’s body, the answer is more complicated – and fascinating – than you’d think.
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To concentrate best, we need to resist distractions. It can help to set some goals and check your progress as you study.
Hybrid parrots in Costa Rica.
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Today’s birds evolved from feathered dinosaurs.
Palak Mehta
Vaccines work by teaching your immune system about new viruses. Your immune cells are very clever – they will remember what they learnt, and protect you if you encounter that virus in the future.
Mount Etna erupting.
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Volcanoes give lots of clues which help scientists work out if they are about to erupt.
Breathing pure oxygen would be like fireworks exploding in your body. And that’s not always a good thing.
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You might think the more oxygen you breathe in the better. But too much oxygen can make you sick.
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Philosopher Nick Bostrom’s theory suggests there’s a one-in-three probability we live in a simulation.