1) The first modern health insurance policy was introduced in Germany in the late 19th century.

2) A newborn kangaroo is about 1 inch (2.5 centimeters) long and weighs less than a gram.

3) The world's oldest university, Al-Qarawiyyin, was founded in 859 AD and is located in Fez, Morocco.

4) The Alps, located in Europe, are a popular destination for skiing, mountaineering, and hiking.