Electronics 'affect bird navigation'

Summarize

There is a lot of birds migration that they have the best navigation for move around the world. But low frequency waves produces by devices pugged into the mains electricity, could be interfering with this "inter satnav". According to scientist, they talk about this birds migrations and this birds when they esxposed to this electromagnetic noise, are lost. 

Opinion

I knew that things magnetic gave interference, but I don't know that this interference the birds also had. 

From Internet, online, we have to provocated a lot of damage in the world because all of human progress have issues. 

Source: 

http://www.bbc.co.uk/worldservice/learningenglish/language/wordsinthenews/2014/05/140509_witn_birds.shtml

Vocabulary

Satnav: System of computers and satellites used to establish location. 

Mains electricity: System of wires which carries electricity into a house.