Titres dans Science et technologie

Il n'y a pas si longtemps que cela, dans une galaxie moins lointaine qu'on l'imagine, sur une petite planète toute bleue, un humain s'est dressé, seul, face à une armée de questions. Pour réussir sa mission, il va avoir besoin de toutes les ressources de la force.... Ou plutôt de la science ! Pourra-t-on jamais voyager à la vitesse de la lumière ? Construire un vrai sabre laser ? Alimenter en énergie l'étoile de la Mort ? À toutes ces questions et bien d'autres encore, auprès de Maître Roland, des réponses tu trouveras. Bon voyage jeune Padawan et que la Science soit avec toi.

During the recent presidential election, "media literacy" became a buzzword that signified the threat media manipulation posed to democratic processes. Meanwhile, statistical research has shown that eight- to eighteen-year-olds pack more than eleven hours with some form of media into each day by "media multitasking." Young people are not only eager and interested to learn about and discuss the realities of media ownership, production, and distribution, they also deserve to understand differential power structures in how media influences our culture.

The climate crisis that our nation currently faces, from rising temperatures, unfathomable drought, devastating floods, unprecedented fires, just to name a few, are alarming precursors to what awaits us if we continue on our current path. In this adaptation for young adults from the #1 New York Times bestseller, journalist David Wallace-Wells tells it like it is, and it is much worse than anyone might think. Global warming is effecting the world, if left unchecked, it promises to transform global politics, the meaning of technology and the trajectory of human progress.

In the mid- to late-19th century, a burgeoning science called electricity promised to shine new light on a rousing nation. Inventive and ambitious minds were hard at work. Soon that spark was fanned, and a war was under way to be the first to light - and run - the world with electricity. Thomas Alva Edison, the inventor of direct current (DC), engaged in a brutal battle with Nikola Tesla and George Westinghouse, the inventors of alternating current (AC). There would be no ties in this race - only a winner and a loser - and the prize was a nationwide monopoly in electric current.

From severe flooding in Louisiana to wildfires in the Pacific Northwest to melting permafrost in Alaska, catastrophic climate events are occurring more frequently—and severely—than ever. And these events are having a direct impact on the lives (and futures) of young people and their families.

The human species is relatively new to the planet in geologic terms. With origins reaching back only a few million years, the rise of humans from primate ancestors is a remarkable evolutionary success story. Early Humans traces the beginnings of the human species, its success and adaptability, and the development of such innovations as human language and culture.

Curious about how your smartphone seems to read your mind or how video games adapt to your play style? Welcome to the world of Machine Learning, the force behind these marvels and more. "Machine Learning Made Fun: The Teen Edition" is here to demystify this cutting-edge tech for everyone—no PhD required!

Are you tired of feeling like you’re not enough? Do you scroll through social media and wonder how everyone else seems so perfect? In a world where likes and follows can feel like the measure of your worth, it’s easy to lose sight of who you really are. Self-Talk That Makes or Breaks You for Teens is your guide to breaking free from the pressure, the comparison, and the constant need for validation.

In this personal, moving essay, youth activist Hannah Testa shares with listeners how she led a grassroots political campaign to successfully pass state legislation limiting single-use plastics and how she influenced global businesses to adopt more sustainable practices. Through her personal journey, listeners can learn how they, too, can follow in Hannah's footsteps and lower their carbon footprint by simply refusing single-use plastics.

Through her pranks, sketches, and videos about everyday life, Jenn has become a mouthpiece for millennials and one of YouTube's fastest rising stars! Jenn McAllister, better known as JennxPenn, has been obsessed with making videos since she found her parents' video camera at the age of eight. A shy child, Jenn turned to film because, unlike with life, you can always have a do-over. Really Professional Internet Person offers both an insider's guide to building a successful YouTube channel and an intimate portrait of the surreality of insta-fame.

For over a decade, Ben Garrod has studied chimpanzees to find ways to protect and conserve them. We join Ben on a journey that has taken him around the world, studying eastern chimps in the humid forests of Uganda and the critically endangered western chimps of Liberia. In his trademark infectious, lighthearted style, Ben describes encounters with chimpanzees that highlight the different threats they face.

Lieutenant Tom Hudner and Ensign Jesse Brown, both Navy pilots during the Korean War in 1950, come from different backgrounds: Hudner is a white New Englander, a son of privilege; Brown is an African American son of a sharecropper from Mississippi. When the two men join forces in Fighter Squadron 32, they forge a deep friendship at a time when racial inequality was prevalent in America.

Explore the strange and remarkable stories of poisonous and even deadly plants. Science, history, and true crime converge in an informative and exciting look at Mother Nature's ghoulish garden. From a hallucinogenic fungus linked to the Salem Witch Trials to the weed that killed Abraham Lincoln's mother, learn how certain plants evolved toxicity to avoid being consumed by predators and became the predator on their own.

While most of her peers were obsessed with their iPhones, Instagramming and Snapchatting their lives, and glued to streaming TV, 19-year-old Amy Crouch was growing up with minimal technology. In My Tech-Wise Life, she and her father, Andy Crouch, share how intentional and controlled use of modern devices, apps, and services has helped her avoid many of the negative experiences of her peers and cultivate positive experiences interacting with the real world.

In the years between World War I and World War II, aviation fever was everywhere, including among Black Americans. But what hope did a Black person have of learning to fly in a country constricted by prejudice and Jim Crow laws, where some previous Black aviators like Bessie Coleman had to move to France to earn their wings?

Master the AP Biology exam—without the burnout. Are you overwhelmed trying to memorize every term, every process, and every diagram in AP Biology? Do you wish someone would just tell you what’s actually going to be on the test—and how to remember it? Tired of flipping between vocab lists, notes, and confusing diagrams? We get it—and this guide was made for you.

The mysteries of the cosmos have captivated man’s curiosity for thousands of years. Sound interesting? The author thinks so too! Listen to The Theories of the Universe and learn about science and astronomy.

Nearly 150 years later, the theory of evolution continues to create tension between the scientific and religious communities. Challenges about teaching the theory of evolution in schools occur annually all over the country. This same debate raged within Darwin himself, and played an important part in his marriage: his wife, Emma, was quite religious, and her faith gave Charles a lot to think about as he worked on a theory that continues to spark intense debates.

We know that pollution damages our physical environments—but what about the digital landscape? Touching on everything from goat memes gone wrong to conflict in group chats to the sometimes unexpected side effects of online activism, this lively guide to media literacy draws on ecological, social justice, and storytelling frameworks to help listeners understand how information pollution spreads and why. It also helps them make sense of the often stressful and strange online world.

Social Media Anxieties for Teenagers is your no-nonsense, compassionate guide to navigating the online world without losing yourself. Whether you're overwhelmed by likes, stressed by silence, stuck in comparison mode, or just want a healthier relationship with your phone, this book shows you how to scroll smarter, post with purpose, and build real confidence.