Soon, people could be identified using Wi-Fi signals alone — even without carrying a smartphone or device.

Research shows radio waves can detect bodies, track movement through walls and potentially distinguish individuals, similar to a fingerprint. The technology could help locate disaster survivors or support health care monitoring, but it also raises urgent concerns about privacy, consent and invisible surveillance.

We also examine ambitious Mars colonization plans promoted by Elon Musk and other tech billionaires. Experts warn these visions are shaped by ideologies like transhumanism and longtermism, often downplaying technical, social and ethical limits.

Finally, a German school project shows how media literacy and democratic education empower young people in a digital, data driven world.