They learned to program without any programming languages or tools, and by the time they were finished, the ENIAC could run a complicated calculus equation in seconds. But when the ENIAC was presented to the press and public, the women were never introduced or given credit for their work. Learn all about what they did and how their invention still matters today in this story of six amazing young women everyone should meet! A special section at the back of the book includes extras on subjects like history and math, plus interesting trivia facts about how computers have changed over time. With the You Should Meet series, learning about historical figures has never been so much fun!

    Dive below the surface and find out what happens under earth and under sea—from early submarines and deep-sea life to burrowing animals and man-made tunnels.

    Still, they encouraged her, and brought her to a nearby airport to watch the planes take off and land.After decades of refusing to take no for an answer, in 1986 Beverley became the first female pilot promoted to captain by American Airlines and led the first all-female crewed flight shortly thereafter. Her revolutionary career became even more newsworthy when she was forced to land in the remote town of Gander, Newfoundland, on September 11, 2001, due to US airspace closures. After several days there, she flew her crew and passengers safely home.

    She is small. Very small. In fact so small that you'd need to look through a microscope to see her. Or you can simply open this book and take Min on an adventure to amazing places she's never seen before—like the icy glaciers of your tooth or the twisted, tangled jungle that is your shirt. The perfect book for anyone who wants to take a closer look at the world.

    Want to become an award-winning cartoonist and inventor? Follow your dreams, just like Rube Goldberg! From a young age, Rube Goldberg had a talent for art. But his father, a German immigrant, wanted Rube to have a secure job. So, Rube went to college and became an engineer.But Rube didn’t want to spend his life mapping sewer pipes. He wanted to follow his passion, so Rube got a low-level job at a newspaper, and from there, he worked his way up, creating cartoons that made people laugh and tickled the imagination. He became known for his fantastic Rube Goldberg machines—complicated contraptions with many parts that performed a simple task in an elaborate and farfetched way. Eventually, his cartoons earned him a Pulitzer Prize and his own adjective in the dictionary. This moving biography is sure to encourage young artists and inventors to pursue their passions.

    Rocks can build, sparkle, and tell a story. They can be memories. They can even be a little bit magic. This ode to curiosity and creative play from New York Times bestselling author Pat Zietlow Miller and acclaimed illustrator Katie Kath is bound to inspire.

    He saw the whole, where others saw only parts. And he noticed details others failed to see. Through stunning illustrations and lyrical prose, this picture book presents the life and accomplishments of Ernest Everett Just, an African American biologist who made important discoveries about the cell in the 1930s. Through his careful observations and hard work, Ernest opened up the wonder of the universe to all of us, through a tiny egg cell.

    She dreamed of playing the violin, but with little money for anything but the bare essentials, it was never an option...until a music teacher named Favio Chávez arrived. He wanted to give the children of Cateura something special, so he made them instruments out of materials found in the trash. It was a crazy idea, but one that would leave Ada—and her town—forever changed. Now, the Recycled Orchestra plays venues around the world, spreading their message of hope and innovation.

    It's been around for centuries; from the ancient Greeks to the American Indians, everyone's chewed it. But the best kind of gum; bubble gum! wasn't invented until 1928, when an enterprising young accountant at Fleer Gum and Candy used his spare time to experiment with different recipes. Bubble-blowing kids everywhere will be delighted with Megan McCarthy's entertaining pictures and engaging fun facts as they learn the history behind the pink perfection of Dubble Bubble.

    Until the world begins to change...Along come people with their magnificent machines which stain the land with soot. In a beautiful landscape changed by humans how will one little moth survive?A clever picture book text about the extraordinary way in which animals have evolved, intertwined with the complication of human intervention. This remarkable retelling of the story of the peppered moth is the perfect introduction to natural selection and evolution for children.

    From iridescent blue swallowtails and brilliant orange monarchs to the worlds tiniest butterfly (Western Pygmy Blue) and the largest (Queen Alexandra's Birdwing), an incredible variety of butterflies are celebrated here in all of their beauty and wonder. Perfect for a child's bedroom bookshelf or for a classroom reading circle!

    Growing up in New York in the late 1800s was not easy. When she lost her brother and father to typhoid fever, she became determined to pursue her dream of becoming a doctor. In Jo's day, medical schools were closed to women, but times were changing, and Jo was at the forefront.When she graduated in 1898, Dr. Jo still faced prejudice against women in her field. Not many people were willing to be seen by a female doctor, and Dr. Jo's waiting room remained mostly empty. She accepted a job in public health and was sent to Hell's Kitchen, one of New York's poorest neighborhoods where many immigrants lived. There, she was able to treat the most vulnerable patients: babies and children. She realized that the best treatment was to help babies get a stronger start in life. Babies need fresh air, clean and safe environments, and proper food. Dr. Jo's successes, fueled by her determination, compassion and ingenuity, made her famous across the nation for saving the lives of 90,000 inner city infants and children.

    Here, readers are given the actual size of an eye right on the page, and we are informed how understand this whale's body size in relation to trucks, cars, milk bottles, and hippos! With an accurate and engaging text, fully vetted by a blue whale expert, and lyrically lovely illustrations, The Blue Whale is a book that invites children in and holds their attention. Its tempo is like a pleasing melody, which means that the information never becomes too weighty or exhausting―a key thing when it comes to young readers and their enjoyment of a book!

    But not for long!When a David Attenborough-esque narrator explains that turtles are found everywhere except Antarctica, one determined turtle sets out to prove him wrong. After recruiting other non-Antarctic animals along the way--much to the narrator's dismay--the turtle and his adventurous friends travel through fields, forests, and cross an entire ocean to reach their goal. But what exactly do they do once they get there?Perfect for anyone who's ever gone a little too far to prove a point, this nature-documentary-gone-wrong is a gleefully funny lesson in determination and the beauty of having a contingency plan

    Inspired by an Ig Nobel Prize–winning investigation of how cats behave like liquids, it introduces some of the physical properties of liquids—they adapt to fit a container, they flow like fluids—and is just pure fun. Like its inspiration, it makes you laugh, then think. Back matter includes a brief introduction to the different physical states: solid, liquid, gas.