Add Yahoo as a preferred source to see more of our stories on Google. Canada Day is coming up and numerous fireworks shows will no doubt be occurring across the country. Here’s the amazing science ...

Fireworks displays on Independence Day are created by the combination of different metal salts, which emit light at unique wavelengths to produce vibrant colors.

Accidents, the search for immortality, and war may have all played roles in the development of these aerial attractions. Here's how the word "fireworks" came to be.