Number one rattlesnake. Source Far and away one of the most deadly and dangerous snakes you'll ever come across as well as the most dangerous venomous snake you'll find in North and South America, Source

There's nothing especially mysterious about a glass of water. 10 thousand trillion or so water molecules, vibrating like crazy, dancing around on the smallest of scales, but contained by the walls of the

Have you ever noticed that fast-spinning objects like helicopter blades and airplane propellers sometimes look really weird on film and video? Sure, sometimes you can only see a circular blur. But sometimes

Our solar system was nothing but a mist of dust and gases, what is known as a solar nebula. SourceBut then, about 4.6 billion years ago something majestic happened. We don't know exactly what caused it,