Now, folks like Elon Musk, Mark Zuckerberg, and even Bill Gates are trying to sell us on what's next—which also means the supposed death of the smartphone. So what's going on here? We're going to chat ...

Electronic face tattoos can warn when someone's brain is working too hard. The non-permanent wireless forehead e-tattoos decode brainwaves to measure mental strain, without the need for bulky headgear ...

Mummy’s face shows minimalist tattoo lines, a rare ancient practice Ink made from magnetite and augite, not charcoal as expected Tattoos hint at unique cultural identity from southern Peru ...