Titoli in Scienza e tecnologia

As the sun sets, night creatures awaken. In their rural backyard, a parent and child camp out, watching as fireflies flicker, bats flap, and rabbits race.

With X-rays, doctors detect problems human eyes can't see. X-rays are a form of invisible radiation. This powerful medical technology helps experts look inside the body and even treat illnesses. But early on, X-rays caused harm too, as people used them without enough protection. This history covers the discovery of X-rays, the development of safety standards, and the rise of more powerful and precise X-ray machines. Find out how modern doctors create digital images of the inner body—even 3D images of our brains!

Earth is home to trillions of germs. But for most of human history, people didn't know germs existed! Healers of the past had different ideas about illnesses and their cures. They blamed illnesses on other causes and sometimes tried dangerous treatments. The invention of tools such as the microscope changed everything, allowing doctors and scientists to see germs and study their effects. This vivid history profiles the people who helped discover germs. Discover the ongoing breakthroughs in research—and germs' surprising benefits for safety and sustainable energy.

When babies are born early, they often have trouble surviving. But special containers called incubators help babies grow by keeping them warm and protected. At first, people in the medical world were skeptical about incubators. But some trailblazing doctors believed in the technology—and put it on display across Europe and the United States. "Incubator exhibits" showed the public how incubators saved lives. The controversial displays led people to accept this medical innovation. Meet the doctors who invented the incubator and follow the incubator's fascinating rise with this history.

These creepy creatures will make your skin crawl! Learn about blood-sucking leeches, smelly stinkbugs, giant centipedes, and more. See how their disgusting behaviors keep these animals alive.

Discover a jungle of repulsive plants in this gross guide! Learn about a flower that smells like rotting meat, a plant that swallows bugs, leaves that make you itch, and more.

These gross animals are fleshy, slimy, and deadly! Learn about blood-sucking fish, stinky skunks, scary goblin sharks and more. Discover how disgusting traits help these animals survive.

All his life, William Stanley searched for a wild place of his own. Growing up in the straightened-out city blocks of his childhood and finding some respite in summer trips to a cabin in the woods, he yearned for space, fragrant soil, tall trees, and the silence that surrounds them. In Hawaii, he learned of acres of land depleted from toxic agricultural practices, and he became determined to restore that land and create one of the most comprehensive palm gardens in the world.

A tiny honeybee emerges through the wax cap of her cell. Driven to protect and take care of her hive, she cleans the nursery and feeds the larvae and the queen. But is she strong enough to fly? Not yet! Apis builds wax comb to store honey and transfers pollen from other bees into the storage. She defends the hive from invaders. And finally, she begins her new life as an adventurer. The confining walls of the hive fall away as Apis takes to the air, finally free, into a clear blue sky full of promise.

Plasticus Maritimus is a valuable, middle-grade resource to help kids learn about the effects of waterborne plastics and how they are affecting our world’s oceans and the planet itself. Ana Pêgo’s approach is positive and practical, inspiring listeners to not only learn about the problem, but to also become part of the solution. A fun “field guide” shares how to identify plastics as an invasive species: how to categorize it, collect it, and safely move it elsewhere.

Pea pods, cucumbers, and strawberries provide plenty of opportunities for counting in the garden! Follow Dad, Grandma, and other family members as they pick and count.

Discover the amazing ways animals adapt to the most extreme regions on Earth. Fiery temps and little rain make the desert a difficult place to survive. But several animals from fennec foxes to kangaroo rats have adapted to these harsh conditions. Find out how their unique behaviors and body parts allow them to call this biome home.

Skateboards, roller coasters, and playground slides, all of these are ramps. From award-winning author Michael Dahl, this book provides an introduction to one of the most important machines humans rely on. With fun facts, find out how people use ramps every day.

How do animals survive in planet Earth's most extreme regions? Snow, ice, and subzero temps make the North and South Poles nearly impossible places to live. But several animals from musk oxen to penguins call these regions home. Find out how their amazing behaviors and body parts have adapted to these harsh conditions.

Learn how fossils teach us about dinosaurs.

Find out how animals survive Earth's most extreme regions! From the rain-drenched treetops to the sun-starved forest floor, the rain forest is a tough place to live. But many animals from geckos to jaguars thrive in this environment. Discover the amazing body parts and behaviors that make living there possible.

The weather is windy today. Do you know what to do? Come explore the weather today and learn what to do on a windy day.

A flock of rare, endangered birds takes wing in A Is for Albatross: ABCs of Endangered Birds. Listeners can gawk at an emperor goose, spy on an Uluguru bushshrike, peek at a piping plover, and more!

Learn about how a backhoe is operated.

Raptors like Velociraptors were small, deadly dinosaurs. These carnivores and omnivores may have looked like birds, but they couldn't get off the ground. Go back to a time when these deadly hunters walked the earth.