The massive, deadly eruption of the Icelandic volcano Eldgjá in 10th century brought climate change and Christianity to the island colony.

In 1993, Navajo elders provided a key piece of information to CDC scientists and climatologists to help combat a deadly mystery disease.

Fred Rogers argued by example and in his quiet, firm way that television’s power could be harnessed to shape future generations for good.

In many #MeToo stories, crucial signals, verbal and non-verbal cues, are sent but not received. Why is that?

James Hinds was assassinated for his beliefs, and today is largely forgotten. He stood up for African-American civil rights during the Reconstruction, provoking the KKK's ire.

In a world full of wild insect defenses, bombardier beetles stand out for the violent chemical reaction they employ to deter enemies.

When it came time to describe what they saw under microscopes, Victorians couldn’t help but perceive a real-life fairyland.

Would today's online, social media-based friendships look familiar to the letter-writing friends of earlier centuries, when epistolary friendships were also common?

Referendums have a way of turning everyone into a self-proclaimed political expert. But does giving a population the chance to directly weigh in on a specific issue lead to a more informed voting public?

The U.S. is the only country in the world that sentences people to die in prison for offenses committed while under the age of 18.