During the Cold War, we were interested because we were scared that Russia and the United States were going to go to war. We were scared that Russia was going to take over the world. Every country became a battleground.

Some plants are carnivores, gaining nutrients by eating various small insects and spiders. A well known example of a carnivorous plant is the Venus Flytrap.

Bronze is a metal alloy made from copper and tin. Copper makes up the larger amount, usually between 80 to 95%.

Aluminum is a good conductor of heat and is often used to make cooking pots.

Copper is a good conductor of electricity and is often used for making wires.

While aluminum is the most common metal found in the Earth's crust, the most common metal found on Earth is iron, mostly because it makes up such a large part of the Earth's core.