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1153 records found. Displaying 433 - 456.
Vaccination Investigation: The History and Science of Vaccines
Vaccines are biological substances that cause the human immune system to build up its defenses against specific diseases. Public health officials recommend a series of vaccines for all… Read More →
On the Free
Santi agreed to join the Bear Canyon Wilderness Therapy Program for one reason: less time in juvie. Amelia signed up to prove a point. Victor—well, no one can figure out why Victor's on the… Read More →
Paper Butterflies
June's life at home with her stepmother and stepsister is a dark one—and a secret one. Not even her dad knows the truth, and she can't find the words to tell anyone else. She's trapped like a Read More →
A Dangerous Magic
Fifteen-year-old Frank Sampson has a hard time following the rules. He's smart-mouthed and not so good with people. He also happens to be a highly gifted forensic sorcerer. So when the Bishop Read More →
3D Printing: The Revolution in Personalized Manufacturing
3D printing was once only known through science fiction, such as Star Trek, the popular 1960s TV series. But inventors and engineers on Earth began experimenting in real life with 3D printing Read More →
Addiction and Overdose: Confronting an American Crisis
Drug overdosing and death from prescription painkillers and heroin are at epidemic levels in the United States. How do people become addicted to opioids and other dangerous drugs, and why?… Read More →
Alien Invasion
From the Series Level Up
Solo_Lobo is a gamer who prefers to play by himself. But then he winds up in a virtual game set aboard an alien space station with a know-it-all robot named Spec. Spec is supposed to help… Read More →
Artificial Intelligence: Building Smarter Machines
In 2011 a computer named Watson outscored two human competitors on the TV quiz show Jeopardy! and snagged the million-dollar prize. Watson isn't the only machine keeping up with humans. The… Read More →
Black Holes: The Weird Science of the Most Mysterious Objects in the Universe
In 2015 two powerful telescopes detected something physicists had been seeking for more than one hundred years—gravitational waves from the collision of two black holes. This announcement… Read More →
False Start
From the Series Gridiron
Things were looking good for Jeff. He was ready to rule the school his senior year as the starting running back on the football team. That is, until Scooter came to town. From the moment the… Read More →
Geoengineering Earth's Climate: Resetting the Thermostat
Most scientists agree that Earth is warming rapidly. Glaciers are melting and rising seawaters are submerging islands and coastal cities. In the coming decades, millions will likely have to… Read More →
ISIS: The Global Face of Terrorism
The Islamic State in Iraq and Syria, or ISIS, emerged in the Middle East during the first decade of the 2000s. The group vows to wage violent jihad, or holy war, on those who do not adhere to Read More →
Labyrinth
From the Series Level Up
SuprSolvr has the opportunity to test a game set in a mechanical labyrinth by playing inside of it, which she's thrilled about. The guy she's partnered with? Not so much. But as they soon… Read More →
Marco Polo: Dangers and Visions
The son of a traveling merchant, Marco Polo spent his early years among the ports of Venice, Italy. As a young man, he headed eastward with his father and his uncle toward the lands of the… Read More →
Pod Racer
From the Series Level Up
A11_4_ON3 is a gamer who likes to look out for himself—especially when it comes to winning. When he learns he's part of a four-player team with his former gaming crew, no one is happy to work Read More →
Realm of Mystics
From the Series Level Up
When a girl wakes up in a virtual reality fantasy video game, she's sure this must be a mistake. She's not a gamer and she doesn't want to be here. Whether she likes it or not, she's now… Read More →
Safe Zone
From the Series Level Up
No_Idea has actually no idea how he wound up in the middle of a zombie apocalypse. It's not until he meets another player, named N3V3RDIE, that he learns he's been selected to test a virtual… Read More →
Showdown
From the Series Gridiron
With the state tournament finals just around the corner, the crosstown rivalry between the Edison High Eddies and the Winfield Wildcats heats up. Toby and Walter, second-string Edison… Read More →
Signing Day
From the Series Gridiron
As their senior year comes to a close, Iggy and Calvin realize that they might not play football together after they graduate. So when a scout from the University of Coastal California… Read More →
The Clutch
From the Series Gridiron
In his first game as quarterback for his high school football team, Jordan Bailey Jr. let loose one of the most spectacular passes the school had ever seen. Even though everyone is… Read More →
The Extra Point
From the Series Gridiron
After she gets cut from the soccer team her senior year, Riley doesn't know what to do. She had the best kick on the team but wasn't fast enough. When the high school football team is in… Read More →
The Late Hit
From the Series Gridiron
With talk of their high school shutting down for good, Busby and his best friend Anton know that it might be up to their football team to save the school. With such high stakes, is it worth… Read More →
The Zephyr Conspiracy
From the Series Level Up
In a virtual reality treasure hunt game, a gamer named Gadget is a steampunk pirate looking for her captain's lost treasure—a mysterious mechanical device. If she can find the scattered… Read More →
Trashing the Planet: Examining Our Global Garbage Glut
On a global scale, humans create around 2.6 trillion pounds of waste every year. None of this trash is harmless—landfills and dumps leak toxic chemicals into soil and groundwater, while… Read More →