My mother died a painful death from salmonella, and the look of horror on her face as she died shall always haunt me.

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.

Tree resin which has been fossilized is known as amber, it sometimes contains plant material or small animals that were trapped inside.

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

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.

Gold is shiny and doesn't corrode, this means it is a great metal for making jewelry.