discoveries in science

"Explores the discovery of and uses for stem cells"--Provided by publisher.

". . . traces Alfred Wallace's life from his childhood in the Welsh countryside to his rise to prominence among the scientific community, via dense tropical jungles and perilous journeys -- and shines a light on one of the most important contributors to the theory of evolution"--Provided by publisher.

Summarizes 1000 notable inventions and discoveries of ancient and modern times, from 3,000,000 B.C. to the beginning of the twenty-first century A.D. Presented in chronological order.

Presents a series of time lines that note the dates and inventors of key events and discoveries in the history of science and technology from prehistory to the early twenty-first century, and includes articles on some of the most important achievements, with photographs, illustrations, and maps.

Funky, fascinating...and freaky! These are just some of the words that describe the captivating and sometimes strange world of scientific discovery. Worms with two heads, fruit that conducts electricity, and miniature brains that grow in petri dishes are a few of the totally weird topics in this volume, which demonstrates to readers just how bizarre science can be. While examining scientific peculiarities, readers will come to understand more about the theories and principles behind them. Engaging images, fact boxes, and sidebars reinforce the concepts, which are closely connected to the elementary science curriculum.

Explores how technological advances in the early twentieth century, including television, radio, radar, and computers, laid the foundation for many modern inventions that have changed life on Earth. Includes teacher notes.

"Learn how scientists are using nature as inspiration for a wide variety of new [everyday] inventions"--Provided by publisher.

"Readers learn how many types of plastic were invented accidentally by scientists who were trying to make something else . . . describes how these discoveries were made and how they would go on to change the world in ways both big and small"--Provided by publisher.

"Dinosaurs existed. That's a fact we accept today. But not so long ago, the concept that these giant creatures could have roamed Earth millions of years before humans was unfathomable. People thought what we know as dinosaur bones were the bones of giant humans. Of large elephants. Of angels, even. So, how did we get from angel wings to the T-Rex? The First Dinosaur tells the story of the idea of dinosaurs, and the chain of fossil discoveries and advances in science that led to that idea. Be prepared to meet eccentric men and overlooked women who uncovered the pieces to a puzzle so much bigger than themselves, a puzzle far stranger . . . than they could have ever imagined"--Provided by publisher.

"This nonfiction book for middle readers is full of . . . tales of inventors and innovators who have accidentally changed the world. The book also features profiles of inventive kids and teenagers"--Provided by publisher.