Alcohol: does alcohol kill brain cells?
Chiles: how hot are your chiles?
Coffee grounds: When I'm out camping, I boil coffee in a pot and then, to settle the grounds, I drop an egg shell in. Does adding the shell make any difference?
Coffee, hot: why doesn't hot coffee burn your mouth? The same coffee would hurt if poured on your arm.
Corn: is the tiny corn appearing in Asian dishes really corn?
Digesting genes: What happens to genes we eat?
Egg cartons: what do the dates on egg cartons mean?
Eggs:  How long does it take to soft boil an egg on top of Mt. Everest?
Glow-in-the-dark beer:  Is there something safe to add to food to make it glow?
GM food: On my table everyday, there are genetically modified rice, vegetables, and so on. Who knows if it is good or not for us?
Green eggs:  Why do the yolks of overcooked boiled eggs become green?
Ice cream: Who first "invented" ice cream and when?
Jell-o:  What is gelatin?  Is it made from horses?
LifeSavers: Why do 5-flavored LifeSavers only show four colors on the package?
Lobsters: Why are lobsters cooked alive?
Marshmallows: How are marshmallows made?
Microwave ovens:  Do the recycle numbers assigned to plastic containers indicate if they are safe to use for heating food in a microwave oven?
Peanuts: how do peanut processors get salt into roasted, salted peanuts in the shell?
Peanuts, grow: Where and how do peanuts grow?
Shrimp: Why do shrimp and lobsters turn orange-red when cooked?
Wine: is wine alive?