For centuries, people misunderstood how the heart works. As our knowledge grew, heart surgery remained a dangerous medical procedure. Even after organ transplants become common, surgeons struggled to transplant hearts and keep patients alive. But small groups of pioneering doctors attempted this difficult surgery, changing the lives of patients.This graphic history traces their leap forward and the medical world's newest advancements in heart-health technology. Lear...

The game is on at the International TWIST competition! Finalists from around the world have gathered to match wits at the competition's remote lake camp in Ontario, Canada. One night the lead player, Reza Amari, tells a spooky campfire story about a monster and a man who disappears, leaving behind only a set of shrinking footprints in the mud. All the campers love the creepy story and are still talking about it the next morning—until they find out that Reza has vanished! Now it's up to Lol...

Simone Yang is afraid of heights. Like, REALLY afraid of heights. Even flying alone on an airplane to visit her grandma for the summer freaks her out. So when a creepy old broken-down carnival comes to town, only the idea of impressing her new friends is enough to get Simone to ride the Ferris wheel. But as the ride creaks slowly toward the sky, can Simone keep her cool, or is her worst fear about to come true?

Earth is home to trillions of germs. But for most of human history, people didn't know germs existed! Healers of the past had different ideas about illnesses and their cures. They blamed illnesses on other causes and sometimes tried dangerous treatments.The invention of tools such as the microscope changed everything, allowing doctors and scientists to see germs and study their effects. This vivid graphic history profiles the people who helped discover germs. Disco...

For centuries, people misunderstood how the heart works. As our knowledge grew, heart surgery remained a dangerous medical procedure. Even after organ transplants become common, surgeons struggled to transplant hearts and keep patients alive. But small groups of pioneering doctors attempted this difficult surgery, changing the lives of patients.This graphic history traces their leap forward and the medical world's newest advancements in heart-health technology. Lear...

Bacterial infections are a constant threat to human health. Antibiotics stop a bacterial infection from multiplying. They help treat pneumonia, strep throat, and many other infections. But before antibiotics, treatments for these diseases were limited or misguided.In 1929, the accidental discovery of the first antibiotic, a bacteria-killing liquid called penicillin, kicked off a medical revolution. The use of this new treatment has saved countless lives from World ...

Time to get on the soccer field! Your team is up against a mighty opponent, and your choices can mean the difference between a triumphant victory and a heartbreaking loss. Will you charge up the field with the ball yourself or pass it? Will you jump up for the header or hold off? Try to block the kick or let your goalie go for the save? The pressure is on. Do you have what it takes to lead your team to the big win?

Time to hit the court! Your basketball team has made it all the way to the championship game. Your choices can mean the difference between a triumphant victory and a heartbreaking loss. Will you take the shot or pass it to your teammate? Will you foul your opponent or let him go to the hoop? The pressure is on. Do you have what it takes to lead your team to the big win?

Earth is home to trillions of germs. But for most of human history, people didn't know germs existed! Healers of the past had different ideas about illnesses and their cures. They blamed illnesses on other causes and sometimes tried dangerous treatments.The invention of tools such as the microscope changed everything, allowing doctors and scientists to see germs and study their effects. This vivid graphic history profiles the people who helped discover germs. Disco...

Bacterial infections are a constant threat to human health. Antibiotics stop a bacterial infection from multiplying. They help treat pneumonia, strep throat, and many other infections. But before antibiotics, treatments for these diseases were limited or misguided.In 1929, the accidental discovery of the first antibiotic, a bacteria-killing liquid called penicillin, kicked off a medical revolution. The use of this new treatment has saved countless lives from World ...

Callie and Martina are two mice with almost nothing in common. Callie is a punk rock star in the big city who could use a little peace and quiet. Martina is a singing farm mouse with dreams of making it in the big city. When they both show up at the Battle of the Bands, Callie and Martina get a taste of what the other has to offer. But is living another mouse’s life really all it’s cracked up to be? In this Far Out Fables adventure, Aesop's “The Town Mouse and the Country Mouse” is retold ...

In Puerto Rico, several people report seeing a scary creature with spines and glowing red eyes. In Argentina, a farmer discovers his animals are dead and the blood drained from their bodies. In Texas, a rancher spots a mysterious coyote-like beast in the distance. Does this evidence point to the elusive Chupacabra monster? It’s up to YOU to find out! With dozens of choices, you can follow the clues to the end. Which path will YOU CHOOSE to discover the truth?