Títulos en Ciencia y tecnología

The moon contains a wealth of natural resources. So, as the Earth's supplies have begun to dwindle, it is no surprise that the world's superpowers and wealthiest corporations have turned their eyes to the stars. As this new Space Race begins, A.C. Grayling asks: who, if anyone, owns the moon? Or Mars? Or other bodies in near space? And what do those superpowers and corporations owe to Planet Earth and its inhabitants as a whole?

¿Sabías que hay más insectos que cualquier otro grupo de animales? La diversidad de insectos es asombrosa. ¿Qué tienen en común las hormigas con las abejas? ¿Cuál es la diferencia entre una mariposa y una polilla? ¿Cómo están relacionados los gorgojos y las mariquitas? Algunos insectos tienen un par de alas, otros tienen dos pares y hay algunos que no tienen alas. Algunos insectos, aunque no todos, tienen un caparazón duro y externo (exoesqueleto). Aprende en qué se parecen y diferencian los insectos en esta nueva entrega de la serie de Comparaciones y Contrastes.

Area 51 is the government's best-kept secret. What exactly goes on in this classified space? And what does it have to do with aliens? Listen to find out!

Sem pai nem mãe, Pedrinho sustentava os circo irmãos e irmãs pescando no grande rio, como tinha aprendido com seu pai. Mas começou a parcer estar doente. Em suas margens, jánão havia as muitas espécies de flor, a terra preta começava a tornar-se arenosa, e os peixes... quase mais nenhum! Soube devorados pelas piranhas, os mais ferozes peixes dos rios.

Un viaggio mozzafiato attraverso i luoghi più straordinari della Terra — dove ogni creatura ha una casa. Dalla tundra artica ghiacciata al caldo abbraccio della foresta pluviale, questo libro accompagna i giovani lettori in un’avventura affascinante tra i diversi habitat del nostro pianeta. Ogni pagina splendidamente illustrata rivela come gli animali si adattino, sopravvivano e prosperino nei luoghi che chiamano casa — dai deserti e dalle montagne alle barriere coralline e alle zone umide.

Comment la chaise à 4 pattes a-t-elle été inventée? Des macaques malicieux, un pirate et un mammouth qui a la bosse des maths t'embarquent dans une exploration drôle et décalée où l'imagination rencontre la logique. Entre clins d'oeil et trouvailles, on découvre pas à pas pourquoi cette idée toute simple a changé notre façon... de s'asseoir. Un récit pétillant qui éveille la curiosité, fait sourire et donne envie d'apprendre en s'amusant - pour les curieux de tout âge, à écouter en famille ou en solo.

La gente de la región de Hawái y los visitantes siempre disfrutan cuando pueden ver a las focas monje de Hawái que, desafortunadamente, están en peligro de extinción pero, Honey Girl es un caso extra especial. Ella ha criado a siete cachorritos, y los científicos le llaman "La Super Mamá". Después de que Honey Girl se enreda en un equipo de pezca, ella se pone muy enferma. Los científicos y los veterinarios trabajan para salvarla hasta que ella pueda ser devuelta a su playa.

What if the neighborhood cat had teeth that measured a foot long? Saber-tooth cats have been extinct for thousands of years, but once upon a time they were the predators of their neighborhoods. Learn more about the different types of these ancient felines with critical thinking questions and more.

How does oil turn into fuel for cars and trucks? Follow each step in the production cycle - from clearing land to filling a tank with gas - in this fascinating book!

Can you guess when trees stop growing–they don’t stop! Their massive roots keep them in the ground and require plenty of water, sunshine and nutrients from the soil to help them grow. Trees are the oldest, largest and tallest living things on Earth, with the oldest part of the tree being its strong, woody middle. Find out how a maple tree gets its start! How does a tree grow?

What kind of insect protects itself with bright colors, warning insect eaters to stay way–a ladybug! Learn about insects and animals that live together in a garden. Interacting together, these living organisms have a lot in common! Some can help a garden grow strong and others can cause a lot of trouble. Raccoons like to eat the seeds and berries while spiders help by eating the pesky insects.

¿Sabías que hay trozos de roca, hielo y polvo flotando en el espacio? Son cometas, asteroides y meteoroides. Giran alrededor del Sol como los planetas. Descubre en este libro lo que pasa cuando dejan de girar.

Calling all hikers! These useful projects will help you explore the outdoors like never before. Make delicious granola bars to eat on the trail. Construct a compass to help you find your way. Build a headlamp to guide you in the dark. Use your creations on your next outdoor adventure!

Treat kids to a seek-and-find field trip to the zoo. Penguins, pandas, porpoises, and countless other animals make finding the hidden objects in a PDF — including full-color photo puzzles — a delightfully furry and feathered challenge.

Albert Einstein's restless intelligence drove him to ponder the biggest topics the universe has to offer: light, time, mass, energy, and more. His conclusions changed the way people thought about the laws of physics. But first, he had to pass his university entrance exams.

Throughout history, people have experimented, invented, and created new ways of doing things. Kid Innovators tells the stories of a diverse group of brilliant thinkers in fields like technology, education, business, science, art, and entertainment, reminding us that every innovator started out as a kid. Florence Nightingale rescued baby mice, Alan Turing was a daydreamer with terrible handwriting, and Alvin Ailey felt like a failure at sports.

Hear the dramatic story of the rescue of the Apollo 13 astronauts.

Alien abductions? Mysterious lights in the sky? Could these events actually be the work of extra terrestrials? Get the facts about the top ten UFO and alien mysteries of all time.

Visit the Green Mountain State! Learn about Vermont's history, geography, weather, people, and more in this book that's all about our 14th state.

Todos los meses hay un ciclo en el cielo. Aprende sobre los patrones de la luna y cómo cambia durante cada mes.