Will humans ever be able to live on other planets? Former NASA astronaut Dr. Dave Williams is the person to ask.  

It turns out that Earth is a pretty good place to live. Finding other habitable environments ...

Check out the amazing machines that make space travel possible.

From the spaceship itself to the wrench needed to make in-flight repairs, machines of every kind are the backbone of space travel. In this, ...

This fifth book in Annick’s successful We Thought of It series describes the vibrant traditions and innovations that are the result of thousands of years of civilization in Latin America. Travel from ...

An informative and humorous look at what happens to your body in space – by someone who has been there. Of all the questions astronauts are asked by kids, the most frequent one is "How do you go to ...

An innovative infographic look at what makes our world light up, work, and run.

It's impossible to imagine our lives without energy, but how often do we really think about where it comes from? With Power ...

Travel from the ancient hidden city of Machu Picchu high in the Andes, past Mayan ruins over 2,000 years old, to the bustling modern cities of São Paulo and Buenos Aires. Learn about the vibrant cultures ...

Did you know that aloe vera—now found in countless products, including sunscreens and soaps—was first used by Africans? They ground it into powder and used it to treat burns and other skin conditions, ...

It’s a toxic world out there.

Poisonous snakes, toxic herbicides, noxious fumes—poisons in one form or another are all around us. An innocent-looking flower may be lethal, and smog can make it impossible ...

If we took time to examine the flames in our world—fires that have built civilizations, sparked entire religions, and literally changed the surface of the Earth—can you imagine how many questions ...

Acupuncture, gun powder and the secrets to spinning silk are innovations that we have come to associate with China. But did you know that the Chinese also invented the umbrella? And toilet paper, initially ...