What's cellular about a cellphone?

A professor of wireless communications explains the origins of cellular networks and how they evolved into today's 5G networks.

---

communication cellphones technology smart-phones mobile-phones mobile-phone-network

Wildlife World Zoo: Jaguar attacks selfie-taker

Zoo officials warn that barriers are "there for a good reason" after a woman is injured.

---

animals mobile-phones zoos-and-zoology selfies

'How a smartphone saved my mother's life'

The smartphone is becoming a powerful medical tool that can diagnose a growing number of conditions.

---

mobile-phones