STOCKHOLM, Sweden (Reuters) -- Rivers in central Sweden swollen by weeks of heavy rain in the mountains washed away summer houses, roads and railway embankments on Friday. Most trains to and from ...

Rivers in northern Sweden do not always become wider or richer in species further downstream. Natural barriers shape the flow and stop plants from spreading, new research from Umeå University shows.

Previous theories have assumed that water, sediment and plant seeds move freely downstream (top image). However, lakes and rapids can become natural barriers where water can be slowed down as well.

Sweden is unlike anywhere else. It is a country of unique natural abundance, where the land itself provides a wealth of luxurious ingredients for those who know where to look. The Original Sweden ...