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Rainbows are made when water droplets split light up into colours.
Your zodiac sign – like Sagittarius, the archer – might be in the stars, but your future isn’t.
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Astrology and astronomy were once practiced side by side by scientists like Galileo and Kepler. And they’re more similar than you might think.
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Lots of kids wonder about this. Here are some of the basics.
Making a book takes lots of brainstorming and writing, but there are many steps to printing it, too.
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It takes a lot of steps – and help from other people – to make a physical book you can hold in your hands.
The TV in your home is very different from the television sets of just a few years ago.
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Pictures and sound, flying through the air to a box in your house? Back in the 1940s, it seemed like a miracle.
Emotions can get in the way of knowing what’s true.
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What’s true and what’s not? An expert in media literacy explains how to evaluate information.
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Many galaxies are too faint or small for us to observe easily – but science can help us work it out.
Turkeys have always been a fixture in the holiday’s marketing.
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A mix of New England and British traditions and historical events led to the particular poultry you’ll find on Thanksgiving tables everywhere.
The Seli’š Ksanka Qlispe’ Dam provides enough electricity for about 147,000 homes in the Flathead Indian Reservation in Montana.
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How does flowing water make electricity? An engineer explains hydroelectric generation.
Participants in the Indigenous Peoples Of the Americas Parade in New York City, Oct. 15, 2022.
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Geographic, cultural and political identity are all part of being Indigenous.
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Believe it or not, this sort-of happened before in Earth’s history – and now we have the Moon.
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Snails use their slime to help them move, stop them drying out and to scare off predators.
Kindergarten students in 1952 race out of school in Los Angeles, eager to celebrate Halloween.
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From its origins as a Celtic pagan ceremony to its celebration of all things gruesome and ghoulish today, Halloween has been reinvented over the centuries.
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Do you know someone who’s had lots of birthdays? That doesn’t always make them old.
Soviet leader Nikita Krushchev, left, met with U.S. President John F. Kennedy in Vienna in 1961.
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The US and the Soviet Union never engaged in direct combat, but their influences were felt worldwide, including in armed conflicts involving other nations.
Amazon workers sort packages for delivery on East 14th Street in New York City, July 12, 2022.
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The rise of e-commerce means billions of packages are delivered in the US each year. That creates traffic and pollution, but urban freight researchers are finding better way to get goods to customers.
Something people today have in common with civilizations past: a love of music.
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For thousands of years, music has been an essential part of the human experience.
How can someplace you’ve never been feel so familiar?
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While people have wondered about déjà vu for a long time, only recently have scientists started experimentally investigating what might trigger it.
Cash is pretty convenient.
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Paying for the stuff you want with currency is way easier than relying on chairs you made or chickens you raised.
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Earth has liquid rock inside. Here’s what happens to that rock to make lava happen.