Phillip W. Simpson - Böcker

You may have heard of Thomas Edison or Alexander Graham Bell. But have you ever heard of Hedy Lamarr or Bi Sheng? Without Hedy Lamarr, we wouldn’t have wireless technology. Without Bi Sheng, we wouldn’t have printed books! Learn about eight important inventors and how their inventions have shaped the world we live in today.

It's the early 1600s, and the streets of Italy are bustling. But Michelangelo Galilei, the much younger brother of well-known Italian philosopher and scientist Galileo Galilei, feels lost in the crowd. It seems as though Michelangelo has nothing in common with his older brother. Michelangelo spends countless hours practising his lute, while his brother seems to spend all his time testing long-held scientific beliefs. Then Galileo improves a small telescope, opening up a whole new world to them both. But will it be enough to fill the expanse between them?

What would happen if the frozen Arctic completely melted? Certain plants and animals rely on the dry and cold tundra environments. The tundra habitat includes both the flat regions of the Arctic and the alpine heights of  mountains. This habitat acts as a source of food and a climate suitable for the plants and animals that live there. Learn about the geography and resources of tundra habitats as well as how animals and people have adapted to and changed tundra environments. Explore this habitat's future and what people can do to help keep it safe.