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Albert Einstein's restless intelligence drove him to ponder the biggest topics in the universe: light, time, mass, energy, and more. His conclusions changed the way people thought about the laws of physics.
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Charles Darwin's scientific work transformed the way people think about life on Earth. He took every opportunity to study the natural world. And he helped shape a new understanding of how life forms change over time.
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Isaac Newton's youth was marked by constant curiosity. Throughout his life of research and experiments, he turned this curiosity into major insights about the workings of Earth and the universe, developing three laws to explain the motions of objects.
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At the start of the twentieth century, Marie Curie, a Polish physicist and chemist, stunned the scientific world. Her research led to the discovery of two elements--polonium and radium--which held the most unusual property: radioactivity.
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The calendar says it's spring, but winter weather won't end. What's happening? The quirky residents of Hotel Strange go on a quest to find out.
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The quirky residents of Hotel Strange are busy planning a music festival, until thieves kidnap Marietta and Mr. Leclair. In order to save their friends (and the music festival), they must find a missing sapphire.
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Kiki, a resident of Hotel Strange, has some good fortune when he discovers a crown in the woods. A group of mushroom people rush to call him their ruler, agreeing to do his bidding.
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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. Can the hotel's other residents rescue him?
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A puzzle left behind by Sifu Faiza's grandfather has everyone stumped. A circle divided into wedges shows part of the formula for an ancient medicine. But some of the wedges are blank, and no one knows how or why the original formula disappeared! Joy, Adam, Amy, and Sam will have to use clues--and fractions--to discover the truth about . . . The Ancient Formula.
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The science club has created a big "book bandit" sculpture in the public library. But how did they get the sculpture in through the tiny library window? The kids know they can solve the puzzle, but it will take all of their geometry skills plus some cooperation to size up . . . The Book Bandit.
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A trickster dumped a complicated concoction of chemicals from the science lab into the school's fountain, and now the fish are in danger! Stacy and her friends must use multiplication and division to solve the who, what, and when behind . . . The Fishy Fountain.
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Somebody has stolen money from the soccer team. Everyone thinks Tom, the team's big bully, did it, but he says it wasn't him. Should Adam, Amy, Joy, and Sam believe him and help? They will have to figure out how much money was stolen--and also why! The kids work with dollars and cents to find . . . The Hundred-Dollar Robber.
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Is what Adam and Tom overhear true? Is Sifu Faiza selling the kung fu school? And can they find a way to change her mind in time? All the kids get together to help, but they'll have to figure out a mysterious puzzle about hours, minutes, and temperature to find the unexpected solution in . . . The Kung Fu Puzzle.
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At Sifu Faiza's Kung Fu School, kids learn to be strong and fast. They also learn to be smart, cool-headed, and honest. So Joy, Adam, Sam, and Amy are surprised when the key to the school is stolen--as well as all their kung fu gear. Now they'll have to use all kinds of calculations--addition, subtraction, multiplication, and division--to figure out the clues, follow the thieves, and find . . . The Lost Key.
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Amy's playful new puppy, Brada, has escaped! The other kids want to help Amy look for her. They'll use what they know about where she has gone in the past--and probability--to find . . . The Runaway Puppy.
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Sam's little sister Michelle thinks there's a ghost in the creepy old house their dad bought. With help from a couple of friends on the soccer team, Sam, Amy, and Michelle use an old ghost story--plus measuring tools and calculations for distance, volume, and perimeters--to figure out the truth behind . . . The Secret Ghost.
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When campers arrive at Camp Dakota, rumors start flying. The Fog Zombie is on the prowl, creeping through the thick fog that often settles on the lake. Can the campers track down the Fog Zombie with their science smarts?
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It's Space Week at Camp Dakota! The first team to answer three astronomy riddles will get to attend a top secret "big event." With space ace Angie leading them, team Astro Explorers is a shoo-in for first place. So why is team Star Troopers solving the riddles first? The Astro Explorers had better think fast if they want the big prize.
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When Jordan finds a treasure map, the hunt for hidden treasure is on! But time has changed some of the landmarks. The campers will rely on their knowledge about rocks and changes to Earth's surface to have any chance of success.
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There's a new kid at Camp Dakota! It's Megan's first year, and all she can think about is riding horses. But gravity seems to be getting in the way of all the campers' fun, from the stables to the beach. Then the big cuckoo clock in the main cabin goes missing. Who would take a cuckoo clock? Can the campers use the weighty facts they've learned to solve the mystery of where it went--and why?
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A thief is on the prowl at Camp Dakota! The campers can't find their favorite things--and they're accusing each other of stealing. The kids set out to find the culprit, but the truth may be stranger than expected.
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It's the end of the summer at Camp Dakota--and things are about to get hairy. One camper notices Counselor Kyle's suspicious late-night activities and begins to suspect that Kyle is turning into a werewolf. Is there another explanation?
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It's a dark and stormy morning at Camp Dakota, but that won't keep Braelin from investigating the whispers coming from the lake. What else could it be, but ghosts? The campers try to record and amplify the sounds, but suddenly the eerie voices go mute. Braelin and Megan won't give up, even when their ghost hunt leads them deep into the woods. Can they use their sound smarts to get back safe?
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There's something fishy going on in the lake at Camp Dakota . . . and it sure isn't the fish! The campers have discovered some smelly, green gunk in the water. Yuck! The creek seems to be source of the pollution, but how can they stop it? And why is a trash-covered duck leading them on a wild goose chase?
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All of the grownups in Tib's prehistoric tribe know that the dinosaurs disappeared ages ago. So of course they don't believe that Tib has made friends with one. But Tumtum the dinosaur is very clever at hiding from grownups. When the friendly red dino saves the tribe's kids from a pack of hungry wolves while the startled adults look on, the shaman decides that perhaps it's time to welcome a dinosaur into the tribe.
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The tribe knows that Tib's friend, Tumtum, is real. But not everyone loves the red dinosaur as much as Tib does. How can Tib prove that there's more to this dinosaur than meets the eye?
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Coyote is awfully hungry! Can he trick Bear into giving him lunch? Or fool the prairie dogs into inviting him to their feast? But if Coyote's not careful, HE could end up on the menu!
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Rabbit thinks he's the cleverest animal in the forest. But can he prove that to Fox, Gator, and Bear? Rabbit needs to pull the best trick of all, without getting caught . . . or eaten!
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Fox is enjoying a nice day at the marketplace, until her big cousin Roxy starts causing trouble. How can a little fox beat a giant bully? She'll need to plan the perfect prank!
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Raven is cold and hungry. Can she trick her cousin Crow into feeding her snacks or sneak some fish from a pair of pelicans? She'll have to be careful if she wants a single bite!
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Spider wants to be a police captain! Maybe he can stop Lion from stealing the other animals' food--but if he's not careful, he might wind up in Lion's belly!
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Monkey is searching for adventure! Can he learn how to fly on a cloud? Maybe he can become a brave sailor--but if he's not careful, he might wind up the prisoner of pirates!
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You've survived a shipwreck, but mad scientists and mutants are hot on your trail! Will you escape them . . . or join them? Which twists and turns will your journey take?
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