It started being built in 72 Ad and wasn't finished until 80 AD. And when the Roman Colosseum finally opened with 100 days of games, hundreds of gladiators and animals were killed.

Although this bird is called the dodo, it wasn't a stupid bird. When visitors to the island of Mauritius first saw the bird, they thought its friendly approach meant the bird was dumb.

The Halifax Gibbet was a guillotine used for public execution from the 13th to the 17th century, long after other countries stopped using them. Criminals had one chance to avoid being axed.

Earthquakes happen more often then we think. We just can't feel all of them. Find out what causes these destructive natural disasters right here!

Popcorn is a tasty addition to any movie night but it's also an example of some pretty cool science!

Even though 70 per cent of our planet is covered in water, we can only use one percent of it. Earth is also the only planet that humans can live on because we have the most oxygen and water.

April 25th is the anniversary of the first major battle fought by Australians and New Zealanders during World War I.

It wiggles, it jiggles, it's held together with amino acids. We've got the scientific scoop behind the treat that you always have room for!

We've had a day to celebrate our mothers for thousands of years. What are you doing this Mother's Day to carry on the tradition?

Thailand is usually known for its white, sandy beaches and deliciously spicy food but lately it's gained attention for less positive reasons. Find out more!

Memorial Day isn't just a day off school. It's a day to remember all those people who have died in wars past and present.

Of all the dinosaurs that had mouths like a duck, Parasaurolophus was the most unusual looking. This duck-bill had a crest growing out of the back of its head. Some were up to six feet long!

The guitar is one of the most popular instruments in modern music and is played by musicians all around the world.

For most Canadians, Canada Day is about BBQs, fireworks and warm weather but there's more to the holiday than that...

Independence Day is the perfect time to let your patriotism shine. Here's the 411 on the Fourth of July!

Egyptians came up with the first method of making paper. They used the stem from a water plant, cut it up, soaked it, flattened it and dried it. The outcome was a sheet of paper they called papyrus.

Left-handed people have it rough. Not only is the world built for right-handers but lefties are the subject of many jokes...

Thousands of years ago it was common to make nagging wives wear a metal mask. In the Middle Ages some women wore chastity belts so they couldn't cheat. Check out these torture devices.