Why do people have wisdom teeth?
Ariadne Letra, University of Pittsburgh and Seth M. Weinberg, University of Pittsburgh Curious Kids is a series for children of…
Tag: curious kids
Why isn’t there any sound in space? An astronomer explains why in space no one can hear you scream
Matter in deep space is very spread out, which makes it impossible for any sound waves to travel. NASA, ESA,…
Is time travel even possible? An astrophysicist explains the science behind the science fiction
If traveling into the past is possible, one way to do it might be sending people through tunnels in space.…
Why does a plane look and feel like it’s moving more slowly than it actually is?
Without a point of reference, it can be hard to tell just how fast an airplane is traveling. Daniel Berehulak/Getty…
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…
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…
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…