Why is astronomy a science but astrology is not?
Your zodiac sign – like Sagittarius, the archer – might be in the stars, but your future isn’t. scaliger/iStock via...
curious kids
How are books made?
Making a book takes lots of brainstorming and writing, but there are many steps to printing it, too. sykono/iStock via...
Why does money exist?
Cash is pretty convenient. Dilok Klaisataporn/EyeEm via Getty Images M. Saif Mehkari, University of Richmond Curious Kids is a series...
Could people breathe the air on Mars?
An artist’s concept of an astronaut walking on Mars. But what would happen if the astronaut weren’t wearing a space...
Is it possible to heal the damage we have already done to the Earth?
Is it possible to heal the damage we have already done to the Earth? The Earth viewed from the Apollo 8...
Why do we bleed?
Why do we bleed? A hematologist explains how the body prevents blood loss after injury The body starts plugging up wounds...
What is earwax?
Step away from the cotton swabs! Crazytang/iStock via Getty Images Plus Henry Ou, University of Washington What is earwax? Curious Kids...
How many bones do penguins have?
How many bones do penguins have? Specialized anatomy means flightless penguins are master swimmers. Christopher Michel , CC BY-SA Julie...
Why can’t we throw all our trash into a volcano and burn it up?
Lava flows from a fissure in the aftermath of eruptions from the Kilauea volcano on Hawaii’s Big Island, May 22,...
Is it possible to recreate dinosaurs from their DNA?
Is it possible to recreate dinosaurs from their DNA? Tyrannosaurus rex was a relentless predator who lived during the Cretaceous Period...
How do you start your own company?
Whether big or small, if you see something that people need, you can start a company. Tony Anderson/Stone via Getty...
