Learning Science

The United States keeps its gold safe at Fort Knox. How is this done? There are fences, locks, guards, and more. Learn more about this high-security place!

Community leaders and activists Gómez and Arroyo worked with children, teenagers, and parents - both the victims and the bullies - to put together this searing anthology of original essays, poetry, plays, and commentary on how bullying has affected their lives.

The one real difference between the American press and the Soviet state newspaper Pravda was that the Russian people knew they were being lied to. To expose the lies our media tell us today, controversial journalist James O'Keefe created Project Veritas, an independent news organization whose reporters go where traditional journalists dare not. Their investigative work - equal parts James Bond, Mike Wallace, and Saul Alinsky - has had a consistent and powerful impact on its targets.

In the summer of 2014, renowned American Indian studies professor Steven Salaita had his appointment to a tenured professorship revoked by the board of trustees of the University of Illinois at Urbana-Champaign. Salaita's employment was terminated in response to his public tweets criticizing the Israeli government's summer assault on Gaza. Salaita's firing generated a huge public outcry, with thousands petitioning for his reinstatement, and more than 5,000 scholars pledging to boycott UIUC.

Sociologist Émile Durkheim's 1897 work On Suicide is a powerful evidence-based study of why people take their own lives. In the late 19th century it was generally accepted that each suicide was an individual phenomenon, caused by such personal factors as grief, loss, and financial problems. But Durkheim felt there were patterns in suicide rates, and believed that a more likely cause of suicide lay in the individual's relationship to society.

Nobel Peace Prize winner and New York Times best-selling author Malala Yousafzai introduces some of the people behind the statistics and news stories we read or hear every day about the millions of people displaced worldwide.

Uncover the secrets of the Swedish philosophy of life called Lagom - meaning 'just enough'. At its core is the idea that we can strike a healthy balance with the world around us without having to make extreme changes and without denying ourselves anything. This delightful audiobook, written by Niki Brantmark, founder and curator of the award winning interior design blog My Scandinavian Home, gives a taste of the philosophy behind Lagom and shows how to include some of the principles in our daily lives.

The political landscape has never been so tumultuous: issues with the electoral college, gerrymandering, voter suppression, and a lack of representation in the polls and in our leadership have led to Americans of all ages asking, How did we get here? The power to change lies with the citizens of this great country - especially teens! Rather than pointing fingers at people and political parties, You Call This Democracy? looks at flaws in the system - and offers a real way out of the mess we are in.

In the 1920s cotton buyer Earle Dickson worked for Johnson & Johnson and had a klutzy wife who often cut herself. The son of a doctor, Earle set out to create an easier way for her to bandage her injuries. Band-Aids were born, but Earle's bosses at the pharmaceutical giant weren't convinced, and it wasn't until the Boy Scouts of America tested Earle's prototype that this ubiquitous household staple was made available to the public.

When she is attacked by a nasty fairy, Clemency Pogue remembers a lesson from Peter Pan. "I don't believe in fairies!" she shouts, seven times before the creature finally drops dead. But then a hobgoblin appears and gives Clemency the bad news. Seven fairies have died, and most of them were good. Now it's up to Clemency to travel the world and make things right.

American Libraries editor in chief Leonard Kniffel offers a compelling collection of interviews with prominent figures--all of whom have special connections to libraries. From President Barack Obama to actress Julie Andrews; from basketball star Kareem Abdul-Jabbar to former First Lady and librarian Laura Bush and many others, stars of literature, politics, entertainment, and the public arena speak with Kniffel about the ways libraries have been critical in their lives.

During the civil rights movement, the state of Mississippi created an elaborate spy network. Its mission was to preserve segregation by any means necessary—including voter interference, sponsorship of white supremacy groups, and even murder.

Born in 1858, Franz Boas permanently changed the standards and practices of anthropology. A German-born secular Jew, he became known for his distinctive approach to the discipline - non-hierarchical, open to diverse inputs, and unbiased. Throughout his career, Boas used his scholarship to effect social change. His work convinced his colleagues to abandon the theories that had decided one race (Caucasian) and one culture (Western European) were more fully developed and worthier than others.

With inspiring stories from the ranks of both the famous and the unheralded, seasoned with wit, and even an occasional tone of sarcasm, chapter after chapter grabs the attention, energizes the intellect, fortifies the will, enlivens the confidence, and elevates the listener’s personal vision, ultimately leading them to a profound conviction of the transforming power of thinking about one’s thinking.

From a highly regarded feminist cultural critic and professor comes a polemic arguing that the stifling sense of sexual danger sweeping American campuses doesn't empower women, it impedes the fight for gender equality. Feminism is broken, argues Laura Kipnis, if anyone thinks the sexual hysteria overtaking American campuses is a sign of gender progress.

The wonder of the natural world surrounds us - from the Amazon rain forest to the snowy peaks of Mount Everest to the green spaces in big cities. And as the threat of climate change grows, it’s more important than ever to show appreciation for our planet by taking action. The first audiobook in a middle-grade series for young environmental activists and nature lovers, The Wild World Handbook offers a road map for change and an invitation to explore the outdoors, alongside surprising facts and hands-on activities.

As you read this, billions of neutrinos from the sun are passing through your body, antimatter is sprouting from your dinner and the core of your being is a chaotic mess of particles known only as quarks and gluons. If the recent discovery of the Higgs boson piqued your interest, then Why the Universe Exists will take you deeper into the world of particle physics, with leading physicists and New Scientist exploring how the universe functions at the smallest scales.

This audiobook offers an introduction to the five senses and the organs that perform the functions of sight, hearing, smell, taste, and touch.

An introduction to the parts of the heart and circulatory system and how they function.

An introduction to the stomach and other parts of the digestive system and how they function.