Why Is It?
Deep Universe
How far away can scientists see into the universe? (about 13 billion light years away)
Petrified Wood
What exactly is petrified wood? (it's a fossilized tree [or part of one] -- where the wood has been …
Dryer Sheets
How do dryer sheets work? (Releases ingredients that neutralize static charge)
Fire Hydrants
Why is it that if pipes inside your house can freeze during winter, that fire hydrants outside dont …
Natural Light Bulbs
What is the make-up of a natural light bulb rather than a normal one? (the mix of colors it gives …
Gusty Wind
Why does the wind gust when it blows over flat terrain? (natural variability in its creation)