While the political and long-term consequences of the protests are still impossible to know, Hong Kong is already experiencing some short-term economic impacts.

New technologies and services aren't creating irreversible damage, even though they do generate some harms. Preemptive bans would stifle innovation and block potential solutions to real problems.

We have all the technologies needed to make the electric grid run on renewables and lower pollution. What are they and what are the barriers to adopting them widely?

Billionaire Robert F. Smith made a big splash when he told Morehouse grads he would pay off their student debt. Yet his generosity adheres to a long African American tradition.

Self-deprecating humor can be a savvy campaign strategy – but only for certain candidates.

Evidence suggests that support for stricter background checks has increased and opposition has softened.

In 1867, the US bought Alaska from Tsar Alexander II for a tidy sum of $7.2 million. Trump probably wouldn't be able to get that kind of bargain for Greenland.

During the Nazi era, roughly 300,000 additional Jewish refugees could have gained entry to the U.S. But the immigration law’s “likely to become a public charge” clause kept them out.

The religious right may have dominated US politics for decades, but progressive Christians are growing louder in their faith-based opposition to the Trump administration's immigration policies.