Old Beer
Does beer go bad, or does it age like a fine wine? (most beers don't go bad, but the taste …
Why Is It?
Root Beer Foam
Why does root beer foam when you drop ice cream into it? (the protein in ice cream stabilizes the …
Red Seafood
Why do shellfish turn red when you cook them? (Releases a red pigment that's usually bound to a …
Age of a Tree
How do you count a tree's rings without cutting it down? (Take a core sample.)
Pizza Cheese
Why does the cheese taste funny in reheated pizza? (Moisture loss changes its texture.)
Fresh Rain Smell
Why does it smell fresh after it rains? (Ozone from lightning and bacteria in soil)
Dark Sky
Why don't the stars light up the night sky? (Low intensity, light hasn't gotten here yet)
Cats and Water
Why are cats afraid of water? (Maybe a bad early experience with water, but it's not inborn)