Catalog Search Results
Author
Pub. Date
[2020]
Accelerated Reader
IL: MG - BL: 6.3 - AR Pts: 1
Description
"Every time your heart beats, an electrical current has been sent from certain cells to the rest of the heart muscle tissue, triggering your heart to contract and push blood through your body. When these signals go awry, major health issues such as heart attacks can occur. Enter the pacemaker, a small implanted device that keeps your heart beating. But did you know, implantable pacemakers were invented by accident? This title explores the history,...
Author
Pub. Date
[2020]
Accelerated Reader
IL: MG - BL: 6.3 - AR Pts: 1
Description
"Boom! Dynamite can blast away mountainsides and bring down buildings. This powerful explosive was discovered over 150 years ago, but it wasn't always safe to use. That's because dynamite contains nitroglycerin, a very dangerous explosive. In the late 1860s, Swedish chemist Alfred Nobel accidentally invented dynamite while he was working on a way to make nitroglycerin safer to handle. This book takes an in-depth look at the science behind dynamite,...
Author
Pub. Date
[2020]
Accelerated Reader
IL: MG - BL: 6 - AR Pts: 1
Description
One of the single greatest leaps forward in human healthcare happened because of an accident in a laboratory. This serendipitous event was the result of a summer vacation in Scotland and an unattended experiment. Dr. Alexander Fleming discovered penicillin, one of the first antibiotics, in 1928 when he noticed that mold had gotten into a petri dish and it had prevented bacteria from growing. This book explores Fleming's accidental discovery, the science...
Author
Pub. Date
[2020]
Accelerated Reader
IL: MG - BL: 5.7 - AR Pts: 1
Description
"How many items can you think of that are made of plastic? Probably quite a few! It might be hard to imagine a world without plastic, but until about 100 years ago, plastic as we know it today didn't exist! The word "plastic" wasn't even used until the 1920s! In this volume, readers learn how many types of plastic were invented accidentally by scientists who were trying to make something else. In accessible, fun content, it describes how these discoveries...