Where does our food come from? The history of farming provides much "food for thought." In the past, farmers used natural farming methods, but modern inventions like pesticides and GMOs have changed farming--and the food we eat. Today, a natural food revolution is...

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The Arctic ecosystem is diverse, fascinating, and special.The animals and people who live there have adapted to the icy landscape. But because the Earth's temperature is warming, the polar ice in the Arctic is melting. Discover why it's so important to save the Arctic,...

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The first prosthetic devices consisted of wooden legs and hooks for hands. Today, many prostheses and bionics can do everything a natural limb can do--and more! Learn about inventions from the past that have been used to rebuild the body and modern-day advancements...

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The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is...

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In the 1970s, NASA wanted to build a new kind of spacecraft that could be used over and over again. The Space Shuttle Program was born, and NASA engineers and scientists were tasked with designing and creating the first shuttle. Nine years later, the first space shuttle...

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The 1950s saw the start of a big snack food revolution. Since then, innovations in food science technology have made snacks inexpensive, convenient, and delicious. But is all this snacking good for us? Learn about the history of snack food, the science behind food...

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What kind of weather is headed your way? Meteorologists make it their job to know. They tell you when sunshine is in the forecast. They tell you when it's going to rain. They spot severe storms, such as tornadoes and hurricanes, before they hit. Their work is important....

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Watching surfers is mesmerizing. It looks like they are magically gliding over the water. But what looks like magic is actually science in action! Surfers use science to select the right surfboards and to understand the motion of the ocean. Learn about the science...

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Our planet is covered with volcanoes. They are fascinating natural wonders that are potentially dangerous and destructive. But, they are important to Earth's survival. Scientists who study volcanoes ask lots of questions. Let's find the answers and learn more about...

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Believe it or not, water can be used to power boat and train engines. In fact, water in the form of steam changed the manufacturing and transportation industries thanks to steam power pioneers like Denis Papin, Thomas Newcomen, James Watt, and Richard Trevithick....

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Did you know the first battery-powered vehicle was created in the 1830s? People who attended the 1892 World's Fair in Chicago could see one. And in 1894, you could buy an "Electrobat" and travel 25 miles on a single charge! Since then, EVs have surged in popularity and...

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Nature is not always kind. Natural disasters like earthquakes and storms can wipe out cities. Entire cultures and their histories are at risk of being lost. When disaster strikes, some people work to save cultural items. They preserve culture for the future! Created in...

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The Wright brothers wanted to build a flying machine.The path to achieve their dream was filled with many obstacles. Countless hours would be spent studying and testing their plans. But their hard work paid off, and today they are known as the "forefathers of flight."...

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When it comes to mapping the Milky Way, scientists know one thing for sure. They know that there is still a lot that they do not know! Discover how they study the Milky Way, and learn about the galaxy that we call home. Created in collaboration with the Smithsonian...

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Inka rulers led a huge empire with grand palaces. They had incredible riches. Artists made statues out of gold and silver. TheInka also made masterpieces out of grass. Their grass bridges crossed deep canyons. These engineering marvels let soldiers and messengers travel...

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Muddy Creek in Edgewater, Maryland is the site of a major makeover. The land around the stream has worn down. Find out what causedMuddy Creek to erode, and the many steps involved in saving it. Created in collaboration with the Smithsonian Institution, this Smithsonian...

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Imagine a career where you get paid to draw all day. That's what botanical illustrators do! Get inside the mind of a botanical illustrator, and learn how their intricate drawings of plants help science. Created in collaboration with the Smithsonian Institution, this...

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What happens after death? That was a big question for ancient Egyptians. They believed that a person needed his or her body in death as much as in life. So they did all they could to preserve and protect the body. For them, preparing for life after death was an...

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Navigation instruments have changed over time. Lodestones, sunstones, and sextants helped early navigators find their way. Modern technology makes navigation more precise than it has ever been. But the roots of navigation still remain. Created in collaboration with the...

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Earthquakes can leave people and property in bad shape. At times, they can be deadly. Find out about the science of studying earthquakes and the men and women who track the movements of the ground below us. Created in collaboration with the Smithsonian Institution, this...

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