Lots More Information
Related HowStuffWorks Articles
- How Food Works
- How Fat Cells Work
- How Calories Work
- How Dieting Works
- How to Lose Weight on a Low-Fat Diet
- How Heart Disease Works
- Partner Links
- 7 Things You Didn't Know About Fat
Bar codes have grown up in a big way since they hit the market with a bang (or a beep) in the 1970s. Now all you have to do is whip out your smartphone and point it at the nearest 2-D bar code. It may contain a message just for you, dear consumer.
Many people consider caviar, unfertilized sturgeon eggs, to be a delicious delicacy. But how exactly is this luxury harvested, and what is the proper way to eat it?