There are about 1,350 potentially active volcanoes on Earth. Where are most of these volcanoes located?
Life's Little Mysteries answers fascinating questions about the world around you and the stuff in it, including wild questions you didn't even know you had.
And check out our "Life's Little Mysteries" podcast, where we answer questions about mysteries big and small — about ancient civilizations; our planet and solar system; the plants and animals that live alongside us; our bodies and how they work; and more. Listen in on Apple podcasts, Spotify and Audioboom.
Sharks are older than dinosaurs and even trees. What's the secret to their long evolutionary success?
Legend has it that the soul weighs 21 grams, but science can neither prove the existence of the soul nor weigh one.
People from food cultures where wine is a daily part of life have famously low rates of heart disease and long lives. But does drinking wine actually help you live longer?
A seashell held to your ear may sound like the ocean, but so does cupping your hand or holding a bowl at the same spot. Here's why.
Here's the science behind petrified wood, including what it is, how long it takes to form and whether it's useful in the research world.
Why do we get goosebumps when we're cold, afraid or inspired? Learn why humans sport this evolutionary adaptation.
Can anything crafted by humans be viewed with the naked eye from space, or would astronauts need to use binoculars?
The number of people the planet can sustain depends on both the natural constraints of our environment and human choices.
Egyptian art is easily recognizable, but many cultures used similar approaches to represent people and objects.
Here's what the science says about whether everyone or only those with the right genes can wiggle their ears.