Researchers from England, Holland and Sweden have shown great interest in the experiment done by 5 girls from northern Jutland in 9th grade.

It all started because they found it difficult to concentrate during the school day:

“We all think we have experienced difficulty concentrating in school, if we had slept with the phone next to our head, and sometimes also experienced having difficulty sleeping”, explains Lea Nielsen.

So here is what they did:

They took 400 cress seeds and placed them in 12 trays. Then, they placed 6 trays in 2 separate rooms at the same temperature. They gave the same amount of water and sun to all the trays for 12 days.  However, 6 of the trays were put next to two [Wi-Fi] routers. Such routers broadcast the same type of radiation as an ordinary mobile.

Read more at ofthebox.org