In this audio slide show, hear how the epigenome can make identical-twin mice appear so different. Produced by WGBH/Nova.

Trace the African-American chemist’s most notable scientific achievements through this time line. Produced by WGBH/Nova.

An overview of the patterns and scale of the AIDS pandemic. Produced by WGBH/Frontline.

Ever wonder what all the numbers on those “Nutrition Facts” labels mean? They may be more useful than you think. The Food and Drug Administration asks food manufacturers to put those labels on for a reason — to help you … Continue reading

Sometimes rumors can be hard to distinguish from the truth. Play this game to learn how to tell a rumor from the truth! Produced by PBS Kids GO!/It’s My Life.

What’s Your Smoking and Drug Use IQ? Produced by PBS Kids GO!/It’s My Life.

In this interactive activity adapted from the University of Nebraska’s Library of Crop Technologies, learn the basic steps of polymerase chain reaction (PCR), a technique used to produce short sections of DNA for analysis. In this technique, various components are … Continue reading

By typing in your weight, selecting a type of fish, and indicating the amount you might eat this week, this mercury calculator produced by Teachers’ Domain will calculate your estimated mercury exposure. The calculator, using data from the EPA and … Continue reading

The amount of monitoring and adjusting that goes on in the human body at any given time is astounding. Thankfully, it’s automatic, so you never have to think about it. In this interactive feature, however, every change in activity requires … Continue reading

Genetically modified (GM) foods are making an appearance in farmers’ fields and on grocery store shelves. While GM foods offer many agricultural and health benefits, they are not required to be labeled in the U.S. So you may be surprised … Continue reading

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