. . or could he?Even after seeing Hans answer questions correctly, some people thought it must be a hoax. Scientists began to investigate. Eventually, one scientist had a groundbreaking "aha!" moment and realized Hans was clever in a way no one had even imagined.Turns out Hans was so smart, he changed science!

    Hatch! gives young readers a bird’s-eye view into the fascinating world of birds and their unique eggs and nests.

    Some birds are fantastically colorful and some are plain. But what do all birds share? Early nonfiction expert Lizzy Rockwell explains that birds have beaks, wings, and feathers, and hatch from eggs. Other animals might have some of these features in common, but only a bird has them all.Only a bird is a bird!A clear text and beautiful illustrations cover dozens of different birds and their shared characteristics, as well as the unique qualities of unusual birds, such as penguins and peacocks.

    In autumn, leaves fall as squirrels scamper up the trunk carrying nuts. And on a winter night, a backdrop of twinkling stars shines through the branches. Each day, the tree changes with the purple and pink of a sunset or a nip of cold air. But the tree is more than a thing of beauty—its changes represent the passage of time in nature.Sky Tree combines the artistic beauty and the scientific wonder of ever-changing nature into a satisfying experience for the soul and the mind.Each page poses a discussion question, and at the back of the book is an explanation of how Thomas Locker created each beautiful oil painting.

    Ever wonder what your cat is watching through the window? Or how having eyes on the sides of its head changes the world for a horse? And what would life be like seeing in 5 colors instead of only 3? After a whirlwind tour of how eyes work, children will lift the flaps to find out how animals as different as dogs, owls, and chameleons see the same scene.EYE SPY: Wild Ways Animals See the World is a truly eye-opening experience guaranteed to fuel and satisfy the curiosity of any animal lover.

    The sun shines on the Earth and keeps it warm.We have day and night because the Earth spins on its axis and we spend part of each day facing the sun and part of the day facing away from it. But why are days longer in the summer than in the winter? The answer to this question is explained through an experiment using a pencil, an orange, and a flashlight. And when you see this, you'll know the reasons for the seasons.

    But after the stock market crashed in 1929, Vivien lost all his savings. Then he heard about a job opening at the Vanderbilt University medical school under the supervision of Dr. Alfred Blalock. Vivien knew that the all-white school would never admit him as a student, but he hoped working there meant he was getting closer to his dream.As Dr. Blalock's research assistant, Vivien learned surgical techniques. In 1943, Vivien was asked to help Dr. Helen Taussig find a cure for children with a specific heart defect. After months of experimenting, Vivien developed a procedure that was used for the first successful open-heart surgery on a child. Afterward, Dr. Blalock and Dr. Taussig announced their innovative new surgical technique, the Blalock-Taussig shunt. Vivien's name did not appear in the report.Overcoming racism and resistance from his colleagues, Vivien ushered in a new era of medicine children's heart surgery. Tiny Stitches is the compelling story of this incredible pioneer in medicine.

    The first half of the book is full of writing tips, techniques and methods to make every story a masterpiece, with helpful activities on coming up with ideas, writing from different points of view and creating characters, settings and story lines. The second half of the book is full of story themes to write about, from murder mysteries to tales from outer space. With lots of lined space to fill, each activity comes with suggestions for characters, settings and objects to write into the story as well as questions to prompt the imagination.

    And then one night she saw something unusual: a comet no one had ever seen before! Miss Mitchell’s extraordinary discovery made her famous the world over and paved the way for her to become America’s first professional female astronomer. Gorgeously illustrated by Diana Sudyka, this moving picture book about a girl from humble beginnings who became a star in the field of astronomy is sure to inspire budding scientists everywhere.

    Lightning strikes; the tree crashes to the ground. Now it’s a giant log. In this fascinating book, author Wendy Pfeffer and illustrator Robin Brickman introduce readers to they life cycle of a tree. The informative, lyrical text is complemented by stunning, three-dimensional paper sculptures that showcase the forest ecosystem, inspiring readers to take a close look at the trees—and logs—in their own backyards.

    An attractive and informative volume for young stargazers.” —Kirkus Reviews“Manley’s writing swings gracefully between factual descriptions … and more lyrical observations: “All stars twinkle, but some stars also seem to wink at us... as if saying, ‘I know a secret.’ ” … Richly informative prose and intimate yet expansive art show a child’s contagious enthusiasm for the book’s subject. Includes a timeline of astronomical discoveries and suggestions for further reading.” —Publishers WeeklyDo you wonder if humansare the only beingswho wonderif they are alone in the universe?Our sun is a star.In the night sky are all kinds of stars, and orbiting those starsare planets like the ones in our own solar system.Could those planets have lifelike we do on Earth?Planet Earth is not too big, not too small, not too hot, and not too cold. It's just right.Our very own Goldilocks planet . . . .Follow a young girlas she explores these questionsin this gorgeous book about the wondrous searchfor another Goldilocks planet.

    . . Are you new here too? When a shy girl moves to a strange new home, she discovers a treefrog perched in a secret spot nearby and learns that sometimes, all it takes to connect with the people and the world around us is a little patience, a curious mind, and a willingness to see the world through a different perspective than your own.

    Henrietta spent years measuring star positions and sizes from photographs taken by the telescope at the Harvard College Observatory, where she worked. After Henrietta observed that certain stars had a fixed pattern to their changes, her discovery made it possible for astronomers to measure greater and greater distances—leading to our present understanding of the vast size of the universe.An astronomer of her time called Henrietta Leavitt “one of the most important women ever to touch astronomy,” and another close associate said she had the “best mind at the Harvard Observatory.” Henrietta Leaveitt's story will inspire young women and aspiring scientists of all kinds and includes additional information about the solar system and astronomy.

    Tello, who unearthed Peru's ancient cultures and fostered pride in the country's Indigenous history. Growing up in the late 1800s, Julio Tello, an Indigenous boy, spent time exploring the caves and burial grounds in the foothills of the Peruvian Andes. Nothing scared Julio, not even the ancient human skulls he found. His bravery earned him the boyhood nickname Sharuko, which means brave in Quechua, the language of the Native people of Peru.At the age of twelve, Julio moved to Lima to continue his education. While in medical school, he discovered an article about the skulls he had found. The skulls had long ago been sent to Lima to be studied by scientists. The article renewed Julio's interest in his ancestry, and he decided to devote his medical skills to the study of Peru's Indigenous history.Over his lifetime, Julio Tello made many discoveries at archaeological sites around Peru, and he worked to preserve the historical treasures he excavated. He showed that Peru's Indigenous cultures had been established thousands of years ago, disproving the popular belief that Peruvian culture had been introduced more recently from other countries. He fostered pride in his country's Indigenous ancestry, making him a hero to all Peruvians. Because of the brave man once known as Sharuko, people around the world today know of Peru's long history and its living cultural legacy.

    The final spread will open up into a gatefold showing a photograph of the full Titanosaur skeleton on display at the museum. Chock-full of back matter like a glossary and extra information and photographs from the dig, and an inside jacket poster of the Titanosaur, kids of all ages will devour this book.