A triathlon is on of the most demanding races a person can undertake. This reader explores some of the most famous and extreme traithlons around the world, including the Ironman and the Ultraman, along with some amazing competitors.
Footprint Reading Library - National Geographic Amazing Science Tornadoes are large storms that can cause huge amounts of damage and destruction. Most people run from tornadoes, but some researchers chase them!
Sitting in traffic, finding a parking spot, paying for a parking spot...is it worth it? Traffic is a big problem in our cities. Can you think of some solutions?