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Could We Resurrect the Dodo?
The dodo was the first animal that we watched go extinct due to human intervention -- could it be the first animal we bring back? Learn more about th…
1 year, 8 months ago
What Do We Know (and Not Know) About Depression?
Depression is a common condition, and highly treatable, but there's still a lot we don't understand about how it works. Learn about depression's prob…
1 year, 8 months ago
Should There Be Age Limits on the U.S. Presidency?
To be eligible to be elected president of the United States, you have to be at least 35 years old. But why 35? And why is there no upper age limit? L…
1 year, 8 months ago
Who Invented Doughnuts?
Doughnuts have been around in some form for thousands of years, but a lot had to happen to make them the near-ubiquitous snack they are today. Learn …
1 year, 8 months ago
How Can Owls Fly So Quietly?
Owls' ability to fly almost silently gives them an air of mystery, but the science is in their wings and feathers. Learn how they do it in this episo…
1 year, 8 months ago
How Did Calamity Jane Work?
Calamity Jane has a reputation for being one of the wildest women in the Old West, but it's hard to separate historical fact from fiction. Learn more…
1 year, 8 months ago
What Is the Pacific Ring of Fire?
The Ring of Fire is a loop around the Pacific Ocean that's a literal hotbed of volcanoes, earthquakes, hydrothermal vents, and other geologic activit…
1 year, 8 months ago
How Did the Arc de Triomphe Become a Parisian Icon?
In a bustling plaza in the heart of Paris, Napoleon Bonaparte commissioned the Arc de Triomphe as a monument to his victories -- but he didn't live t…
1 year, 8 months ago
How Did Pretty Boy Floyd Become Public Enemy No. 1?
Charles "Pretty Boy" Floyd was a fairly common criminal until he got involved in shootout with federal agents in 1933. Learn about his life and crime…
1 year, 9 months ago
Why Are People Mean on the Internet?
It's not just malice -- there are several psychological reasons why people get so mean and angry online. Learn what experts say (and how to stop the …
1 year, 9 months ago