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Reading a Codon Chart and Identifying Amino Acids

science.howstuffworks.com/life/genetic/codon-chart.htm

If you're studying genetics, molecular biology or a related field, odds are good that you will need to learn how to read a codon chart (aka codon table) to better understand the genetic code.

What can your spit tell you about your DNA?

science.howstuffworks.com/life/genetic/spit-dna.htm

Doctors always want your blood, but one day, a health care professional may ask you to open up and say, "Ptooey!" Why? Your spit holds a mother lode of biological information.

What happens when animals evolve in isolation?

science.howstuffworks.com/life/evolution/evolve-in-isolation.htm

Speciation events are when members of the same species separate until they are no longer able to reproduce with each other. Learn more about speciation events.

What don't we know about mental illness?

people.howstuffworks.com/mental-illness.htm

Mental illness still has some mysteries, but it isn't a character flaw and can happen to anyone. Read about mental illness and what we know and don't know.

How Glasses Correct Colorblindness

health.howstuffworks.com/human-body/systems/eye/glasses-correct-colorblindness.htm

Colorblindness affects around 300 million people worldwide. HowStuffWorks explains what it is and how glasses can help.

Munchkin Cats: The Wiener Dogs of the Feline World

animals.howstuffworks.com/pets/munchkin-cat.htm

Munchkin cats were officially introduced to the world in 1991, though they've been around for decades. HowStuffWorks gets to know these feline cuties.

Have a Tabby Cat? It's Not an Actual Breed

animals.howstuffworks.com/pets/tabby-cat.htm

Tabby cats are everywhere. Whether they're lounging on windowsills or chasing toys across the living room floor, these striped felines are among the most recognizable in the pet world. But there's more to a tabby cat than just its good looks and charming antics.

To Save the Galapagos Islands, We May Need to Modify Rat DNA

animals.howstuffworks.com/mammals/gmo-rat-dna-galapagos-islands.htm

How could altering rat DNA reduce the population on the Galapagos Islands? Learn more about GMO rats in this HowStuffWorks Now article.

When Bad Watermelons Explode on Good People

recipes.howstuffworks.com/exploding-watermelon.htm

It's fairly rare, but a potentially catastrophic rind failure lurks under the green-striped shell of every seemingly innocent watermelon in the produce aisle.

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