Everywhere the House Sparrow went, it competed with humans for grain, becoming such a pest that in some places “sparrow catcher” became an actual job and bounties were paid to those who got rid of it.But not everyone hated the House Sparrow, and in 1852, fifty pairs were released in New York City. In no time at all, the bird had spread from coast to coast. Then suddenly, at the turn of the century, as cars took over from horses and there was less grain to be found, its numbers began to decline. As our homes, gardens, cities and farmland have changed, providing fewer nesting and feeding opportunities, the House Sparrow’s numbers have begun to decline again — though in England and Holland this decline appears to be slowing.

    And children feeding animals for morning chores! With lyrical writing and beautiful illustrations that capture the rhythms of the changing seasons, Elisha Cooper brings the farm to life.

    Because she was going to study him, she decided to call him Alex--short for Avian Learning EXperiment. At that time, most scientists thought that the bigger the brain, the smarter the creature; they studied great apes and dolphins. African greys, with their walnut-sized "birdbrains," were pretty much ignored--until Alex. His intelligence surprised everyone, including Irene. He learned to count, add, and subtract; to recognize shapes, sizes, and colors; and to speak, and understand, hundreds of words. These were things no other animal could do. Alex wasn't supposed to have the brainpower to do them, either. But he did them anyway.Accompanied by Meilo So's stunning illustrations, Alex and Irene's story is one of groundbreaking discoveries about animal intelligence, hard work, and the loving bonds of a unique friendship.

    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.

    Why do crows have this ability? What does the crow know and what does it tell us about brain size, the evolution of intelligence, and just who is the smartest creature on the planet? In the latest addition to the Scientists in the Field series, the creators of The Frog Scientist take us to a beautiful Pacific island, where a lively cast of both crows and scientists is waiting to amuse and enlighten us.

    Three picture-packed gatefolds inside showcase even more familiar and exotic species. These images are part of Sartore's lifelong project to photograph every animal in the world, with special attention given to disappearing and endangered species.

    Frogs are astonishing in their variety and crucial to ecosystems. Onomatopoeic text and stunning illustrations introduce young readers to these fascinating and important creatures, from Chile to Nepal to Australia.

    But do you know about the mathematical genius who made sure that Apollo 13 returned safely home?As a child, Katherine Johnson loved to count. She counted the steps on the road, the number of dishes and spoons she washed in the kitchen sink, everything! Boundless, curious, and excited by calculations, young Katherine longed to know as much as she could about math, about the universe.From Katherine's early beginnings as a gifted student to her heroic accomplishments as a prominent mathematician at NASA, this is the story of a groundbreaking American woman who not only calculated the course of moon landings but, in turn, saved lives and made enormous contributions to history.

    With her signature style of prose laced with stirring quotes, Doreen Rappaport brings to life Helen Keller's poignant narrative. Acclaimed illustrator Matt Tavares beautifully captures the dynamism and verve of Helen Keller's life and legacy, making "Helen's Big World" an unforgettable portrait of a woman whose vision for innovation and progress changed America--and the world--forever.

    What would happen if sixteen sea creatures met in a tournament? Who will be the ocean champion? Who do you think would win?

      Louis Braille was just five years old when he lost his sight. He was a clever boy, determined to live like everyone else, and what he wanted more than anything was to be able to read.   Even at the school for the blind in Paris, there were no books for him.   And so he invented his own alphabet—a whole new system for writing that could be read by touch. A system so ingenious that it is still used by the blind community today.   Award-winning writer Jen Bryant tells Braille’s inspiring story with a lively and accessible text, filled with the sounds, the smells, and the touch of Louis’s world. Boris Kulikov’s inspired paintings help readers to understand what Louis lost, and what he was determined to gain back through books.   An author’s note and additional resources at the end of the book complement the simple story and offer more information for parents and teachers.

    He watches as days, seasons, years pass by. His branches are home to owls and choirs of frogs. Beneath his broad canopy, a world grows.This is his story. Through controlled verse and luscious illustration, Tony Johnston and Wendell Minor do justice to the enormous figure of the sequoia tree. A Neal Porter Book

    Her parents separated when she was young, and her mother insisted on a logic-focused education, rejecting Byron’s “mad” love of poetry. But Ada remained fascinated with her father and considered mathematics “poetical science.” Via her friendship with inventor Charles Babbage, she became involved in “programming” his Analytical Engine, a precursor to the computer, thus becoming the world’s first computer programmer. This picture book biography of Ada Lovelace is a portrait of a woman who saw the potential for numbers to make art.

    They can be big, like a whale, tiny, like a shrimp, and even scary, like a shark.Even though sharks can be scary, we need them to keep the oceans healthy. Unfortunately, due to overfishing, many shark species are in danger of extinction, and that can cause big problems in the oceans and even on land.What would happen if this continued and sharks disappeared completely?Artist Lily Williams explores how the disappearance would affect other animals across the whole planet in this clever book about the importance of keeping sharks, and our oceans, healthy.

    Unfortunately, it can also have a big impact on our planet.Earth Hour--a worldwide movement in support of energy conservation and sustainability--takes place each March and is sponsored by the World Wildlife Fund for Nature (WWF). During Earth Hour, individuals, communities, and businesses in more than 7,000 cities turn off nonessential electric lights for one hour. Across each continent--from the Eiffel Tower to the Great Wall of China to the Statue of Liberty--one small act reminds all of us of our enormous impact on planet Earth.