FEATURED ARTICLES

Looking ahead to the next 40 years, President Obama writes about our nature as Americans to dream big and solve problems

By Barack Obama

A Smithsonian/Pew poll finds optimism about science and social progress despite worries about the environment and population growth

By T. A. Frail

An entrepreneur hits the road with a new approach for an all-electric car that overcomes its biggest shortcoming

By Joshua Hammer

The co-chair of the world's largest philanthropy talks about what can be done to improve global health and povertys

By Terence Monmaney

What events, ideas or developments have had the most significant impact in our lives since 1970?

By Terence Monmaney