The public was shocked by the blackface image on Virginia Gov. Ralph Northam's yearbook page. But if blackface is now taboo, there was a time when it played a big role in American culture.
It's often more effective, cheaper and less controversial than other efforts to confront climate change.
Since 1982, presidents have invited special guests to the State of the Union who they believe embody values around which the nation can rally.
When you think of viruses, you might think of the horrible illnesses they cause, like flu or Ebola. But now researchers are learning how to use the unique traits of viruses to treat disease.
President López Obrador campaigned on some outside-the-box ideas to 'pacify' Mexico after 12 years of extreme violence. But so far his government has emphasized traditional law-and-order policies.
Public schools were originally envisioned in the 19th century as 'common schools' where rich and poor kids could be educated together. MLK wanted the same thing – but it's not happening.
With all those blue recycling bins around you might think we are experts at recycling plastics. The truth is, that though many plastic items can be recycled, very few are. So what's the solution?
Feel like visiting another star system or dimension? You can do this by traveling through a spacetime portal of a black hole. But you better choose carefully. All black holes are not created equal.
Trump appeals to his base in a way that philosophers knew was effective thousands of years ago.
Dry cleaning isn't really dry – it uses chemical solvents. Perc, the most common option, has contaminated soil and groundwater and poses serious health risks, but safer choices are emerging.
Who wouldn't want to travel in time, glimpsing the dinosaurs or peeking at humans 2,000 years from now? Now physicists have designed a time machine that seems deceptively simple.
A grassroots movement to end racial disparities in schoolhouse discipline is beginning to take root throughout the nation and winning important victories at the local level. Can it sustain the effort?
As the expected costs of climate change grow, cities are on the frontlines of adapting to sea level rise and more intense storms – and finding ways to pay for it.
Though his education initiative staggered while he was in office, the late former President George H.W. Bush had an influence that continues to shape education policy, an education historian says.
In response to the NRA telling doctors to 'stay in their lane' on gun control, doctors loudly and clearly came back with this response: This is our lane. A surgeon explains their concern and urgency.
Billboards spreading misinformation on the risks of vaccination have popped up around American cities. A bioethicist explains why decisions not to vaccinate children are indefensible.
The attack at a synagogue in Pittsburgh and the sending of pipe bombs to critics of the current administration are examples of the increase in the violence on the margins of the right.
A few musicians metaphorically took to the streets. But most fled for cover.
In the 'World Climate' simulation, people play delegates to UN climate negotiations and work to strike an agreement that meets global climate goals. Playing it has made thousands want to take action.
A new public opinion survey reveals Americans largely agree on sentencing reform, and how money spent on prisons could be reinvested in communities.