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Why does copper turn green?
Like some other metals, copper oxidizes when left out in the elements, but the coloring process is complicated.
What is bone density?
What is bone density and why is it critical to our overall health?
Garmin Enduro review
The Garmin Enduro is a trail-running smartwatch with a monster battery – but is it worth your money?
Secret ancient Andean passageways may have been used in...
Archaeologists have revealed a complex of hidden passageways and galleries deep inside an ancient temple in the Peruvian Andes.
Why do we shiver when we're cold?
If the surface of your skin gets too chilly, the brain sets into motion a series of warming tricks such as shivering.
Best science kits for kids: Fun experiments for children...
Get your kids hooked on science with the best science kits for kids.
Why are manhole covers round?
There are a myriad of answers to the question, "why are manhole covers round?" But most of them have to do with functionality and...
What is weight training?
What is weight training and how can you make it work for you?