Are you a Super Taster?

Are You a Supertaster?

Some people think broccoli tastes unbearably bitter, and ice cream tastes sickeningly sweet, and lemonade tastes painfully sour. These people are supertasters.

Genes on Board

Why would Vikings need extra iron in their blood?

People with hemochromatosis absorb too much iron from their food. Everyone needs iron—it helps blood do its job. But absorbing too much iron damages the heart, liver, and other organs. People with this disorder must have their blood drawn periodically to keep from getting sick.

Genes In Common

You don't look much like a fly or a worm. But believe it or not, you share genes with both of them—and with every other living organism. Scientists study the genes in bacteria, fish, chimpanzees, and other living things to learn more about humans.

How much DNA do you share with these living things? Roll the cursor over each image to find out.

Ethics

New Therapies

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