Technology Mystery

Perché il gatto odia il topo? Perché si sogna? Perché quando passa un'auto le foglie che stanno per terra le corrono dietro? Perché la neve è bianca? Perché si nasce? Facili, difficili o impossibili, tante erano le domande che i giovani lettori ponevano a Gianni Rodari e alle quali rispondeva, con umorismo, fantasia e competenza scientifica, dalle pagine delle sue rubriche giornalistiche. Oggi come ieri, Rodari ci invita a camminare con lui sulla strada dell'empatia e dell'amicizia, abbandonando facili pregiudizi e piatto conformismo.

Wusstest Du, dass Ameisen sich selbst im Spiegel erkennen können und Delfine sich beim Namen rufen? Dass Ratten gerne gemeinsam lachen und männliche Orcas echte Muttersöhnchen sind, die noch mit 30 Jahren auf ihre Mutter angewiesen sind? Der Biologe Karsten Brensing weiß Verblüffendes über das Tierreich zu berichten. Auf spielerische Weise vermittelt er neueste wissenschaftliche Erkenntnisse genauso wie seine eigenen Erfahrungen aus der Arbeit mit Tieren.

Komm mit auf eine außergewöhnliche Expedition. Dieser Atlas zeigt dir die 100 geheimnisvollsten Orte der Welt: Erkunde das "Tor zur Hölle" in Turkmenistan, den Quallensee in Mikronesien und die immerwährenden Gewitter in einer Bucht in Venezuela! Folge Millionen Jahre alten Dino-Spuren in Bolivien und lerne japanische Mönche kennen, die sich selbst mumifizieren. Lausche singenden Sanddünen in der Wüste Gobi und staune über riesige, von Menschen gemachte Zeichnungen in der Nazca-Wüste. Die sind so groß, dass man sie nur von einem Flugzeug aus überschauen kann.

How does salt go from the sea to flavoring your food? Workers pump seawater into ponds. Salt crystals form as the water dries up. See what happens step by step in the process of making salt.

How do peanuts become creamy peanut butter? A farmer grows peanuts. The sun dries the plants. The peanuts are picked and sorted. Machines remove shells. Follow the process step by step as peanut butter is made.

Where does milk come from? Cows eat grass. They make milk in their bodies. Next a farmer uses a machine to take milk from the cows. Then what happens? Follow the story of milk step by step.

How does milk become delicious ice cream? A farmer milks cows. The milk is mixed and heated. Next a worker adds flavors. The mix gets cold. Listen to what happens step by step as ice cream is made....

Honey is a sweet treat! But where does it come from? Flowers open. A bee flies to the flowers. The bee drinks nectar. The bees fly home. Discover what happens next in the process of making of honey.

How does a seed become a yummy ear of corn? A farmer plants seeds. The seeds change into plants. Plants grow. Soon cobs grow on the plants. Learn about the life cycle of corn step by step.

How does a cocoa bean become a delicious chocolate bar? Cocoa beans ripen. Workers open the pods. Next the sun dries the beans. The beans are roasted. Find out what step happens next in the process of making chocolate.

How does a seed turn into a tasty apple? The seed spouts. The tree grows. Then the tree flowers. Next small apples grow. The apples ripen. Listen to how apples grow step by step.

How does a swimming tadpole become a hopping frog? A tiny tadpole leaves its egg. It swims and eats. Its tail gets longer. Soon back legs grow. Then front legs grow. Follow the frog's life cycle step by step.

How does hot wax become a colorful crayon? First wax is melted. Then a worker adds color. Next the wax is shaped. Soon the wax hardens. Discover all the steps in the process of making a crayon.

How does a butterfly grow? It starts with a mother butterfly laying eggs. Next the eggs hatch. A caterpillar eats and grows. Then it sheds its skin. See what happens step by step in a butterfly's life cycle.

How does a tree become a baseball bat? First, a tree is cut into logs. Then logs are cut and shaped. Next a machine carves them. Then the bat is sanded. Follow the process step by step.

This beautiful tale follows a raindrop’s journey on Earth, from the time of the dinosaurs to the creation of the earliest cities and beyond. It explains how Earth has depended on the same water supply throughout its existence by flowing and falling all around us, fueling and forming much of what we have seen and used for millions of years.

Over the past five million years, our species has spread from the plains of East Africa to every inhabitable landmass on our planet. Combinations of our technological know-how, scientific knowledge, and complex societies have allowed humanity to shape and affect our environment more than any of our fellow species, even to the point of our peril. How did we get to this situation? What are some of our ancestors' choices as individuals, societies, and species that shaped our history to the present day?

The oldest "Wonder of the world" stands silently and demands explanation. The Great Pyramid of Khufu is so big, so old, and so beautiful that many can't believe it was built by an ancient people…but it was! And that is the greatest mystery of all - the mystery of the Great Pyramid. The Great Pyramid is part of the non-fiction Ancient Egyptian Mysteries series that engages listeners of all ages. Travel to ancient Egypt and explore the facts and mysteries of how the Great Pyramid of Khufu was built

People have always wanted to know the future. When the ancient Greeks needed to make an important decision they would ask one of their oracles, the priestly advisors who spoke the words of gods. But sometimes it was a mystery what the oracle really meant, and many got it wrong. How the oracles got their answers may be even more mysterious than we think. Let the history, legends, and myths of ancient Greece capture your students' imagination...

Early one morning in 1995, a rancher in Humacao, Puerto Rico, found three of his goats dead. The blood seemed to have been drained from their bodies. As dozens more farm animals were found dead across the island, the fear of the so-called Chupacabra—the "goat sucker"—grew. But was a mysterious cryptid really responsible for all of these deaths? And if so, where would it go next? Follow the trail of the Chupacabra in this exciting new title.