Titoli in Come funzionano le cose

Did you ride a bike today? Then you’ve used wheels and axles! These simple machines are all around. Take a listen and discover 13 different ways we use wheels and axles.

The world can be a dangerous place. Over time, animals evolved many natural defenses to help them survive. Combat during wartime is extremely dangerous. Why not look to nature to find the best defenses for soldiers on the battlefield? Military forces have done just that for hundreds of years. From the armor of medieval knights to tomorrow's advanced camouflage, learn how military technology often mimics the traits of animals to help protect soldiers in combat. Then be sure to catch the other amazing titles in the Beasts and the Battlefield series.

Animals have played an important role in warfare throughout history. Military forces have long relied on animals' natural abilities to achieve their missions. From medieval warriors charging into combat on horseback to dolphins locating explosive mines at sea, learn about the many ways animals have helped armies find success on the battlefield. Then be sure to catch the other amazing titles in the Beasts and the Battlefield series.

In the wild, animals use teeth, claws, and other natural weapons to attack their prey. On the battlefield, soldiers need weapons to fight the enemy. Military forces have often looked to nature for inspiration to develop effective weapons and combat tactics. From the first feathered arrows to tomorrow's high-tech weaponry, learn how military technology often imitates the natural weapons of animals to help soldiers succeed in combat. Then be sure to catch the other amazing titles in the Beasts and the Battlefield series.

From the stethoscope to the clinical trial, this exploration of scientific inquiry celebrates the greatest inventions in medicine. Get to know the physicians, scientists, and other researchers responsible for these breakthroughs in medicine, and explore the ups, the downs, and the eureka moments that are science in action.

From the first immunosuppressant drugs to the first successful heart transplant, this exploration of scientific inquiry celebrates the greatest developments to date in transplant medicine. Get to know the physicians, scientists, and other researchers responsible for these breakthroughs in medicine.

From laboratory robots to robotic prosthetics, this exploration of scientific inquiry celebrates the greatest developments to date in medical robotics. Get to know the physicians, scientists, and other researchers responsible for these breakthroughs in medicine, and explore the ups, the downs, and the eureka moments that are science in action.

From machine learning to virtual surgery practice, this exploration of scientific inquiry celebrates the greatest developments to date in medical artificial intelligence. Get to know the physicians, scientists, and other researchers responsible for these breakthroughs in medicine, and explore the ups, the downs, and the eureka moments that are science in action.

In January 1776, George Washington had a problem: the British army controlled the city of Boston. The colonial army needed to force the British to leave. But how? Washington had a solution: ask his engineer Rufus Putnam to solve the problem. They needed to take control of the high ground, Dorchester Heights, just south of Boston. They could place cannons there to bombard the British army.

Beep! Beep! Here comes a dump truck! Young students can learn basic facts about these load-bearing machines through simple text to support listeners who are just starting out.

Bridges take cars, trains, and people across rivers, lakes, and canyons. This introductory title covers the materials used in bridge construction, the types of bridges, and the scientific concepts that make bridges work.

Sound is a travelling wave transmitted through a solid, liquid, or gas, composed of frequencies that our ears can hear. This audiobook explores sound and it's secrets.

Wind is the flow of air or other gases that compose the atmosphere of Earth and other planets. Wind can be as calm as a summer breeze or as strong as a hurricane. This audiobook explores wind and it's secrets.

Examines wheels, explains their functions, and suggest simple experiment to demonstrate how they work.

Light is electromagnetic radiation, particularly radiation of a wavelength that is visible to the human eye. This audiobook explores lights and it's secrets.

Following the events of September 11, 2001, the governor of New York gave the navy a steel beam that was once inside one of the World Trade Towers. Seven and a Half Tons of Steel tells the story of what the navy did with it.

Have you ever wondered how astronauts float in space, or how your pizza gets from your plate to your mouth? Basic principles of physics, including learning about distance, displacement, speed, velocity, acceleration, forces, friction, gravity, and Newton’s laws of motion, are explored through informative and engaging text in this newest addition to the How Do series.

Do you know where your clothes come from? Learn about the processes of making certain materials that are used in clothing! Guess what plant or animal that rubber boots come from? What material is made from plastic bottles? You’ll be surprised to learn how the clothes you wear everyday are manufactured!

Have you ever wondered how buildings are created? Architects have to use lots of different shapes in order to build a structure. Many geometric shapes are needed to create building designs. Can you find the different shapes in historical landmarks from all over the world?

Have you ever seen a bird nest? Birds make all kinds of different nests! Nests are made from lots of different kinds of materials and are shaped differently. Learn about the different kinds of nests that are made by different species of birds!