The mobile device landscape has dramatically changed during the past ten years. As a popular wireless technology, Wi-Fi uses the radio-frequency bands of 2.4 and 5 GHz for data exchange among wireless devices. Devices that transmit Wi-Fi signals are not just commonplace, they have become an essential part of our lives. So, it’s only natural that the biological and health effects of these devices have become the subject of many on-going scientific studies. While the research community is performing scientifically rigorous studies and carefully weighing the evidence, five Danish ninth-grade school girls have taken matters in to their own hands....