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fermented foods

Fermentation: When Food Goes Bad but Stays Good
Image: iStockphoto.com/lilu13

Fermentation: When Food Goes Bad but Stays Good

Cheese, yogurt, bread, pickles, soy sauce — the list of fermented foods we eat goes on. But what exactly happens during fermentation?

Microscopic organisms transform food during the production process. Flavors become stronger and shelf-lives grow longer. Take a close look at this process used for more than 8,000 years.

NPR
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How Fermentation Works

How Fermentation Works

You can harness the power of fermentation and use it to brew up a tasty bottle of ginger ale. See how. More...

Activity
AOL
Science of Pickles: Fermentation and Food

Science of Pickles: Fermentation and Food

Fermentation means encouraging the growth of microorganisms. Yet people love to eat fermented foods like pickles, bread, and cheese. And such foods are resistant to spoiling, too. More...

Article
Exploratorium
Suds in Space

Suds in Space

What happens when there's no buoyancy to bring a soda's fizzy bubbles to the top? Explore the effects of weightlessness on fermentation and carbonation. More...

Article
NASA
Beer in Space: 11-Year-Old’s Tiny Brewery Will Fly to Space Station

Beer in Space: 11-Year-Old’s Tiny Brewery Will Fly to Space Station

This sixth grader from Colorado designed a cosmic brew — not for a party, but to test the medical properties of beer. Now it's headed to the ISS for testing. More...

Video
Space.com
How It’s Made: Goat Cheese

How It’s Made: Goat Cheese

Around the age of 18 months, goats begin producing milk that can be used for cheese. Watch how milk changes into cheese with help from bacterial cultures, rennet, and fermentation. Mmm, cheese. More...

Video
Science Channel
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Revealing the Revolting Beauty of Food Waste

Revealing the Revolting Beauty of Food Waste

That rotting sandwich in your locker may actually be art and science at its finest. Seriously. Check out these images of fermented and spoiled food. More...

Images
NPR
Bacteria, Humans, and Food

Bacteria, Humans, and Food

After a few days without refrigeration, food either becomes inedible or something entirely different thanks to the activity of fermenting microbes. Get the details. More...

Article
AAAS
Fascinating Pickle Facts

Fascinating Pickle Facts

Pickling cucumbers and other vegetables not only improves their flavor, it can also make them more nutritious and easier to digest. Discover what else fermentation can do. More...

Article
Exploratorium
Picklelab

Picklelab

Step into this virtual kitchen and see if you can use your fermentation knowledge to make a great pickle. More...

Interactive
Exploratorium
Yeasty Beasties

Yeasty Beasties

Add the right ingredients and yeast becomes a bubbly, oozing mess of life. Investigate how changing temperature and pH affects fermentation. More...

Activity
Science Buddies

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