Grade 4

No one knows exactly how artificial intelligence will develop, but the answer might be found in the past. Early AI technology dates back to the 1940s, and growth in the field slowly led to… Read More →

As their populations grow, future cities will need to house, feed, and transport millions more people. To solve these problems, cities might float on rising seas, grow crops in skyscrapers,… Read More →

For thousands of years, humans have communicated with one another through speech, art, music, and more. With cutting-edge technology, human communication is about to experience a revolution.… Read More →

Deadly coronavirus diseases such as COVID-19 can disrupt societies. Find out how health-care professionals will fight these viruses in the future with vaccines, preventative measures, and… Read More →

From social media to virtual reality, modern technology has caused big changes in entertainment. But even bigger changes are coming soon. Cutting-edge tech such as holograms, artificial… Read More →

Earth’s human population is growing. By 2050, about 10 billion people will inhabit the planet. To feed everyone, scientists and farmers must find ways to create more food with less space.… Read More →

Could you discover your body is fighting an illness before you even get sick? It might be possible in the future with body sensors that send data directly to your doctor. Scientists are… Read More →

With the fossil fuels powering cars, trains, and planes harming the environment, scientists will have to find new ways to power vehicles. Exciting innovations such as levitating Maglev trains Read More →

Something strange is happening in Grandpa's garden. He is very upset. What is making his vegetables stop growing? Could it be an animal? What is happening to all the lovely vegetables? Can… Read More →

Kip Kirby and his crew are heading to Vapod, a gas giant with flying aliens. But soon after arrival, the planet comes under attack. What will happen on his latest mission? About the series… Read More →

This magnificent arch rises on the banks of the Mississippi River in St. Louis, Missouri. The nation's tallest monument is the centerpiece of the Jefferson National Expansion Memorial,… Read More →

A lot has changed throughout the history of the gay rights movement. In 1969, the Stonewall Riots brought light to a movement that would later establish gay pride parades and persist in the… Read More →

Amazon has revolutionized online shopping, growing quickly to become one of the biggest companies in the world. Learn how Amazon became the tech giant it is today and get a glimpse of what's… Read More →

Since Steve Jobs helped found Apple in 1976, the company has been at the cutting edge of computing, introducing the world to personal computers, the iPhone, and more. Explore Apple's history… Read More →

Social media is everywhere. It's popularity was fueled when Mark Zuckerberg helped to found Facebook in 2004. Learn how Facebook grew to conquer the world of social media and investigate the… Read More →

Search engines allow us to find almost anything on the internet. But it wasn't always so easy. Learn about the creation of Google, how the company has expanded, and what's next for the… Read More →

With its groundbreaking Windows operating system, Microsoft transformed personal computing. Learn how founder Bill Gates turned Microsoft into one of the biggest companies in the world using… Read More →

In the face of climate change, demand for electric cars is growing. Elon Musk founded Tesla, making a big bet on electric cars, in 2003. Learn more about Tesla's history and what it's planning next. Read More →

The man in this story was so huge that people called him a giant. But he wasn't fierce or mean like some giants. He liked to do kind things to help anybody who was in trouble. That's why he… Read More →

A zombie family reunion, a "Jekyll lantern," a giggling undertaker, a telekinetic warlock . . . are you scared yet? Sure to induce shrieks and giggles in equal measure, Calef Brown's poems… Read More →

The Mary Celeste was found drifting in the ocean. The ship was full of food and cargo, but the crew had disappeared. They were never seen again. What happened? Why did the crew leave the ship Read More →

Mr. Snarf has been a bad ghost. He hasn't scared people. In fact, he's even made friends! Now some grumpy ghosts are taking him away from Hotel Strange. The hotel's other residents set off to Read More →