Martin Cooper changed the world when he pioneered the portable phone, which weighed four pounds at the time. What's next?

From his home in Del Mar, the inventor of the mobile phone, now 96, watches. Of one thing Cooper is certain: The revolution ...

Chester Greenwood invented earmuffs to battle the cold in Maine, US. By 18, he was a patent holder. He went on to file over ...

The simple landlines once used to call friends or family evolved into omnipresent glossy screens that flood our brain with ...

It began as a hankering to speak with my dad. Which presented something of a challenge, given that he died in 1989. And ...

On the eve of America's 249th birthday, discover why — despite political division and a new Gallup low in national pride — the United States remains the greatest nation on earth. From inventions and ...