Want to see a teen freak out? Take their phone away. Phones seem to be as important as oxygen, but sometimes those little portals to the online world interfere with real life. This fun and informative guide will help painlessly wean teens off constant phone use by offering scale-back tactics, sharing what others have done that works, and explaining the physical and emotional repercussions of overuse so that teens don't have to miss out on anything...

The 21st Century Junior Library Women Innovators series highlights the contributions of women to STEM fields. Marion Donovan and the Disposable Diaper examines the life of this important woman and her contributions to the modern diaper. Sidebars encourage readers to engage in the material by asking deeper questions or conducting individual research. Full color photos, a glossary, and a listing of additional resources all enhance the learning experience....

"Simple text and photographs describe ocean animal adaptations"--Provided by publisher.

Explains how to program and maintain databases and client-server systems using SQL to retrieve data and control operations.

Learn about how a lever works! Beginner readers and budding young scientists will love learning about using simple machines in everyday situations. Along the way, readers will be supported by expertly leveled text, a strong text-photo match and appropriate text load. Readers will be excited to dig in and learn all about simple machines and basic physics concepts.

"Vibrant illustrations accompany information about the dwarf planets in the solar system. The narrative nonfiction text is intended for students in kindergarten through third grade"

Uncover the secrets of SQL and start building better relational databases today!

This fun and friendly guide will help you demystify database management systems so you can create more powerful databases and access information with ease. Updated for the latest SQL functionality, SQL For Dummies, 8th Edition covers the core SQL language and shows you how to use SQL to structure a DBMS, implement a database design, secure

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For decades, proponents of artificial intelligence have argued that computers will soon be doing everything that a human mind can do. Admittedly, computers now play chess at the grandmaster level, but do they understand the game as we do? Can a computer eventually do everything a human mind can do? In this absorbing and frequently contentious book, Roger Penrose puts forward his view that there are some facets of human thinking that can never be...

"It seems like everything Billy Sure invents becomes an instant hit. There's the All Ball and the Sibling Silencer, and now everyone wants some Disappearing Reappearing Makeup and the Stink Spectacular. Billy's latest invention is the Cat-Dog Translator, a device that will finally let cat and dog owners in on what their pets are trying to say. But, as Billy soon learns, when pets start talking, there's no telling what kinds of embarrassing secrets...

The story of our Universe, from its beginning in the first milliseconds of the Big Bang right up to our present moment and beyond, told in a gripping narrative.0 Everyone knows astronomers use telescopes to peer into distant space. They also use them as a time machine to look back into the past. In this brilliant and original book, Paul Murdin lays out the entire history of the Universe backwards along a line of sight through space, from here on Earth...