There was a time when no respectable casserole or Jell-O salad was served in anything but a brightly colored piece of Pyrex glassware — and every cupboard was stacked high with the functional mixing ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Pyrex was developed by Corning Glass Works in the early 1900s and began as clear glassware. The company ...

If you've ever spotted those colorful, nesting Pyrex mixing bowls at a yard sale or tucked away in your grandma's kitchen, you might wonder if they're worth more than just a pretty vintage find. The ...